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Wed, 24 Apr 2024 17:06:04 -0700 (PDT) Received: from executor.attlocal.net ([2600:1700:5eb5:1ba0:dc1f:cff:fef9:435b]) by smtp.gmail.com with ESMTPSA id t201-20020a8183d2000000b0061870c6e41csm3291753ywf.6.2024.04.24.17.06.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 17:06:03 -0700 (PDT) From: Greg Malysa To: u-boot@lists.denx.de, Tom Rini Cc: Matthew McClintock , Nathan Barrett-Morrison , Greg Malysa , Ian Roberts , Vasileios Bimpikas , Utsav Agarwal , Arturs Artamonovs , AKASHI Takahiro , Abdellatif El Khlifi , Caleb Connolly , Heinrich Schuchardt , Lukasz Majewski , Manorit Chawdhry , Marek Vasut , Mattijs Korpershoek , Sam Protsenko , Samuel Holland , Sean Anderson , Simon Glass , Sumit Garg Subject: [PATCH v2 2/4] drivers: clk: adi: Add in SC5XX-family clock driver Date: Wed, 24 Apr 2024 20:04:01 -0400 Message-ID: <20240425000515.21896-3-greg.malysa@timesys.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240425000515.21896-1-greg.malysa@timesys.com> References: <20240425000515.21896-1-greg.malysa@timesys.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Nathan Barrett-Morrison This adds support for the SC5XX clock trees which are required for reading clock speeds on the SoCs. This is largely a port of the same support for Linux, which has not yet been submitted upstream. Co-developed-by: Greg Malysa Signed-off-by: Greg Malysa Co-developed-by: Ian Roberts Signed-off-by: Ian Roberts Signed-off-by: Vasileios Bimpikas Signed-off-by: Utsav Agarwal Signed-off-by: Arturs Artamonovs Signed-off-by: Nathan Barrett-Morrison --- (no changes since v1) MAINTAINERS | 1 + drivers/clk/Kconfig | 1 + drivers/clk/Makefile | 1 + drivers/clk/adi/Kconfig | 83 ++++++ drivers/clk/adi/Makefile | 16 + drivers/clk/adi/clk-adi-pll.c | 93 ++++++ drivers/clk/adi/clk-adi-sc57x.c | 206 +++++++++++++ drivers/clk/adi/clk-adi-sc58x.c | 222 ++++++++++++++ drivers/clk/adi/clk-adi-sc594.c | 231 +++++++++++++++ drivers/clk/adi/clk-adi-sc598.c | 308 ++++++++++++++++++++ drivers/clk/adi/clk-shared.c | 48 +++ drivers/clk/adi/clk.h | 123 ++++++++ include/dt-bindings/clock/adi-sc5xx-clock.h | 271 +++++++++++++++++ 13 files changed, 1604 insertions(+) create mode 100644 drivers/clk/adi/Kconfig create mode 100644 drivers/clk/adi/Makefile create mode 100644 drivers/clk/adi/clk-adi-pll.c create mode 100644 drivers/clk/adi/clk-adi-sc57x.c create mode 100644 drivers/clk/adi/clk-adi-sc58x.c create mode 100644 drivers/clk/adi/clk-adi-sc594.c create mode 100644 drivers/clk/adi/clk-adi-sc598.c create mode 100644 drivers/clk/adi/clk-shared.c create mode 100644 drivers/clk/adi/clk.h create mode 100644 include/dt-bindings/clock/adi-sc5xx-clock.h diff --git a/MAINTAINERS b/MAINTAINERS index f743ce9f9d..78e3d59f96 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -609,6 +609,7 @@ S: Supported T: git https://github.com/analogdevicesinc/lnxdsp-u-boot F: arch/arm/include/asm/arch-adi/ F: arch/arm/mach-sc5xx/ +F: drivers/clk/adi/ F: include/env/adi/ ARM SNAPDRAGON diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 017dd260a5..d8c619add4 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -246,6 +246,7 @@ config CLK_ZYNQMP This clock driver adds support for clock realted settings for ZynqMP platform. +source "drivers/clk/adi/Kconfig" source "drivers/clk/analogbits/Kconfig" source "drivers/clk/at91/Kconfig" source "drivers/clk/exynos/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 638ad04bae..847b9b2911 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_CCF) += clk-fixed-factor.o obj-$(CONFIG_$(SPL_TPL_)CLK_COMPOSITE_CCF) += clk-composite.o obj-$(CONFIG_$(SPL_TPL_)CLK_GPIO) += clk-gpio.o +obj-y += adi/ obj-y += analogbits/ obj-y += imx/ obj-$(CONFIG_CLK_JH7110) += starfive/ diff --git a/drivers/clk/adi/Kconfig b/drivers/clk/adi/Kconfig new file mode 100644 index 0000000000..5745bedf88 --- /dev/null +++ b/drivers/clk/adi/Kconfig @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# (C) Copyright 2022 - Analog Devices, Inc. +# +# Written and/or maintained by Timesys Corporation +# +# Contact: Nathan Barrett-Morrison +# Contact: Greg Malysa +# + +config COMMON_CLK_ADI_SHARED + bool "Enable shared ADI clock framework code" + help + Required for shared code between SoC clock drivers. Automatically + selected by an appropriate SoC-specific clock driver version. + +config COMMON_CLK_ADI_SC598 + bool "Clock driver for ADI SC598 SoCs" + select DM + select CLK + select CLK_CCF + select OF_CONTROL + select CMD_CLK + select SPL_DM if SPL + select SPL_CLK if SPL + select SPL_CLK_CCF if SPL + select SPL_OF_CONTROL if SPL + select COMMON_CLK_ADI_SHARED + depends on SC59X_64 + help + This driver supports the system clocks on Analog Devices SC598-series + SoCs. It includes CGU and CDU clocks and supports gating unused clocks. + Modifying PLL configuration is not supported; that must be done prior + to booting the kernel. Clock dividers after the PLLs may be configured. + +config COMMON_CLK_ADI_SC594 + bool "Clock driver for ADI SC594 SoCs" + select DM + select CLK + select CLK_CCF + select OF_CONTROL + select CMD_CLK + select SPL_DM if SPL + select SPL_CLK if SPL + select SPL_CLK_CCF if SPL + select SPL_OF_CONTROL if SPL + select COMMON_CLK_ADI_SHARED + depends on SC59X + help + This driver supports the system clocks on Analog Devices SC594-series + SoCs. It includes CGU and CDU clocks and supports gating unused clocks. + Modifying PLL configuration is not supported; that must be done prior + to booting the kernel. Clock dividers after the PLLs may be configured. + +config COMMON_CLK_ADI_SC58X + bool "Clock driver for ADI SC58X SoCs" + select DM + select CLK + select CLK_CCF + select OF_CONTROL + select CMD_CLK + select COMMON_CLK_ADI_SHARED + depends on SC58X + help + This driver supports the system clocks on Analog Devices SC58x-series + SoCs. It includes CGU and CDU clocks and supports gating unused clocks. + Modifying PLL configuration is not supported; that must be done prior + to booting the kernel. Clock dividers after the PLLs may be configured. + +config COMMON_CLK_ADI_SC57X + bool "Clock driver for ADI SC57X SoCs" + select DM + select CLK + select CLK_CCF + select OF_CONTROL + select CMD_CLK + select COMMON_CLK_ADI_SHARED + depends on SC57X + help + This driver supports the system clocks on Analog Devices SC57x-series + SoCs. It includes CGU and CDU clocks and supports gating unused clocks. + Modifying PLL configuration is not supported; that must be done prior + to booting the kernel. Clock dividers after the PLLs may be configured. diff --git a/drivers/clk/adi/Makefile b/drivers/clk/adi/Makefile new file mode 100644 index 0000000000..f3f1fd92e5 --- /dev/null +++ b/drivers/clk/adi/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# (C) Copyright 2022 - Analog Devices, Inc. +# +# Written and/or maintained by Timesys Corporation +# +# Contact: Nathan Barrett-Morrison +# Contact: Greg Malysa +# + +obj-$(CONFIG_COMMON_CLK_ADI_SHARED) += clk-shared.o clk-adi-pll.o + +obj-$(CONFIG_COMMON_CLK_ADI_SC594) += clk-adi-sc594.o +obj-$(CONFIG_COMMON_CLK_ADI_SC598) += clk-adi-sc598.o +obj-$(CONFIG_COMMON_CLK_ADI_SC58X) += clk-adi-sc58x.o +obj-$(CONFIG_COMMON_CLK_ADI_SC57X) += clk-adi-sc57x.o diff --git a/drivers/clk/adi/clk-adi-pll.c b/drivers/clk/adi/clk-adi-pll.c new file mode 100644 index 0000000000..372baa9c11 --- /dev/null +++ b/drivers/clk/adi/clk-adi-pll.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +#define ADI_CLK_PLL_GENERIC "adi_clk_pll_generic" + +struct clk_sc5xx_cgu_pll { + struct clk clk; + void __iomem *base; + u32 mask; + u32 max; + u32 m_offset; + u8 shift; + bool half_m; +}; + +#define to_clk_sc5xx_cgu_pll(_clk) container_of(_clk, struct clk_sc5xx_cgu_pll, clk) + +static unsigned long sc5xx_cgu_pll_get_rate(struct clk *clk) +{ + struct clk_sc5xx_cgu_pll *pll = to_clk_sc5xx_cgu_pll(dev_get_clk_ptr(clk->dev)); + unsigned long parent_rate = clk_get_parent_rate(clk); + + u32 reg = readl(pll->base); + u32 m = ((reg & pll->mask) >> pll->shift) + pll->m_offset; + + if (m == 0) + m = pll->max; + + if (pll->half_m) + return parent_rate * m * 2; + return parent_rate * m; +} + +static const struct clk_ops clk_sc5xx_cgu_pll_ops = { + .get_rate = sc5xx_cgu_pll_get_rate, +}; + +struct clk *sc5xx_cgu_pll(const char *name, const char *parent_name, + void __iomem *base, u8 shift, u8 width, u32 m_offset, + bool half_m) +{ + struct clk_sc5xx_cgu_pll *pll; + struct clk *clk; + int ret; + char *drv_name = ADI_CLK_PLL_GENERIC; + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + pll->base = base; + pll->shift = shift; + pll->mask = GENMASK(width - 1, 0) << shift; + pll->max = pll->mask + 1; + pll->m_offset = m_offset; + pll->half_m = half_m; + + clk = &pll->clk; + + ret = clk_register(clk, drv_name, name, parent_name); + if (ret) { + pr_err("Failed to register %s in %s: %d\n", name, __func__, ret); + kfree(pll); + return ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(clk_adi_pll_generic) = { + .name = ADI_CLK_PLL_GENERIC, + .id = UCLASS_CLK, + .ops = &clk_sc5xx_cgu_pll_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/adi/clk-adi-sc57x.c b/drivers/clk/adi/clk-adi-sc57x.c new file mode 100644 index 0000000000..b17563f044 --- /dev/null +++ b/drivers/clk/adi/clk-adi-sc57x.c @@ -0,0 +1,206 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +static const char * const cgu1_in_sels[] = {"sys_clkin0", "sys_clkin1"}; +static const char * const sharc0_sels[] = {"cclk0_0", "sysclk_0", "dummy", "dummy"}; +static const char * const sharc1_sels[] = {"cclk0_0", "sysclk_0", "dummy", "dummy"}; +static const char * const arm_sels[] = {"cclk1_0", "sysclk_0", "dummy", "dummy"}; +static const char * const cdu_ddr_sels[] = {"dclk_0", "dclk_1", "dummy", "dummy"}; +static const char * const can_sels[] = {"oclk_0", "oclk_1", "dclk_1", "oclk_0_half"}; +static const char * const spdif_sels[] = {"oclk_0", "oclk_1", "dclk_1", "dclk_0"}; +static const char * const gige_sels[] = {"sclk1_0", "sclk1_1", "cclk0_1", "oclk_0"}; +static const char * const sdio_sels[] = {"oclk_0_half", "cclk1_1_half", "cclk1_1", + "dclk_1"}; + +static int sc57x_clock_probe(struct udevice *dev) +{ + void __iomem *cgu0; + void __iomem *cgu1; + void __iomem *cdu; + int ret; + struct resource res; + + struct clk *clks[ADSP_SC57X_CLK_END]; + struct clk dummy, clkin0, clkin1; + + ret = dev_read_resource_byname(dev, "cgu0", &res); + if (ret) + return ret; + cgu0 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cgu1", &res); + if (ret) + return ret; + cgu1 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cdu", &res); + if (ret) + return ret; + cdu = devm_ioremap(dev, res.start, resource_size(&res)); + + // Input clock configuration + clk_get_by_name(dev, "dummy", &dummy); + clk_get_by_name(dev, "sys_clkin0", &clkin0); + clk_get_by_name(dev, "sys_clkin1", &clkin1); + + clks[ADSP_SC57X_CLK_DUMMY] = &dummy; + clks[ADSP_SC57X_CLK_SYS_CLKIN0] = &clkin0; + clks[ADSP_SC57X_CLK_SYS_CLKIN1] = &clkin1; + + clks[ADSP_SC57X_CLK_CGU1_IN] = clk_register_mux(NULL, "cgu1_in_sel", cgu1_in_sels, + 2, CLK_SET_RATE_PARENT, + cdu + CDU_CLKINSEL, 0, 1, 0); + + // CGU configuration and internal clocks + clks[ADSP_SC57X_CLK_CGU0_PLL_IN] = clk_register_divider(NULL, "cgu0_df", + "sys_clkin0", + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 0, 1, 0); + clks[ADSP_SC57X_CLK_CGU1_PLL_IN] = clk_register_divider(NULL, "cgu1_df", + "cgu1_in_sel", + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 0, 1, 0); + + // VCO output == PLL output + clks[ADSP_SC57X_CLK_CGU0_PLLCLK] = sc5xx_cgu_pll("cgu0_pllclk", "cgu0_df", + cgu0 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + clks[ADSP_SC57X_CLK_CGU1_PLLCLK] = sc5xx_cgu_pll("cgu1_pllclk", "cgu1_df", + cgu1 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + + // Dividers from pll output + clks[ADSP_SC57X_CLK_CGU0_CDIV] = cgu_divider("cgu0_cdiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC57X_CLK_CGU0_SYSCLK] = cgu_divider("sysclk_0", "cgu0_pllclk", + cgu0 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC57X_CLK_CGU0_DDIV] = cgu_divider("cgu0_ddiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC57X_CLK_CGU0_ODIV] = cgu_divider("cgu0_odiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC57X_CLK_CGU0_S0SELDIV] = cgu_divider("cgu0_s0seldiv", "sysclk_0", + cgu0 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC57X_CLK_CGU0_S1SELDIV] = cgu_divider("cgu0_s1seldiv", "sysclk_0", + cgu0 + CGU_DIV, 13, 3, 0); + + clks[ADSP_SC57X_CLK_CGU1_CDIV] = cgu_divider("cgu1_cdiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC57X_CLK_CGU1_SYSCLK] = cgu_divider("sysclk_1", "cgu1_pllclk", + cgu1 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC57X_CLK_CGU1_DDIV] = cgu_divider("cgu1_ddiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC57X_CLK_CGU1_ODIV] = cgu_divider("cgu1_odiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC57X_CLK_CGU1_S0SELDIV] = cgu_divider("cgu1_s0seldiv", + "sysclk_1", cgu1 + CGU_DIV, 5, + 3, 0); + clks[ADSP_SC57X_CLK_CGU1_S1SELDIV] = cgu_divider("cgu1_s1seldiv", + "sysclk_1", cgu1 + CGU_DIV, 13, + 3, 0); + + // Gates to enable CGU outputs + clks[ADSP_SC57X_CLK_CGU0_CCLK0] = cgu_gate("cclk0_0", "cgu0_cdiv", + cgu0 + CGU_CCBF_DIS, 0); + clks[ADSP_SC57X_CLK_CGU0_CCLK1] = cgu_gate("cclk1_0", "cgu0_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC57X_CLK_CGU0_OCLK] = cgu_gate("oclk_0", "cgu0_odiv", + cgu0 + CGU_SCBF_DIS, 3); + clks[ADSP_SC57X_CLK_CGU0_DCLK] = cgu_gate("dclk_0", "cgu0_ddiv", + cgu0 + CGU_SCBF_DIS, 2); + clks[ADSP_SC57X_CLK_CGU0_SCLK1] = cgu_gate("sclk1_0", "cgu0_s1seldiv", + cgu0 + CGU_SCBF_DIS, 1); + clks[ADSP_SC57X_CLK_CGU0_SCLK0] = cgu_gate("sclk0_0", "cgu0_s0seldiv", + cgu0 + CGU_SCBF_DIS, 0); + + clks[ADSP_SC57X_CLK_CGU1_CCLK0] = cgu_gate("cclk0_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 0); + clks[ADSP_SC57X_CLK_CGU1_CCLK1] = cgu_gate("cclk1_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC57X_CLK_CGU1_OCLK] = cgu_gate("oclk_1", "cgu1_odiv", + cgu1 + CGU_SCBF_DIS, 3); + clks[ADSP_SC57X_CLK_CGU1_DCLK] = cgu_gate("dclk_1", "cgu1_ddiv", + cgu1 + CGU_SCBF_DIS, 2); + clks[ADSP_SC57X_CLK_CGU1_SCLK1] = cgu_gate("sclk1_1", "cgu1_s1seldiv", + cgu1 + CGU_SCBF_DIS, 1); + clks[ADSP_SC57X_CLK_CGU1_SCLK0] = cgu_gate("sclk0_1", "cgu1_s0seldiv", + cgu1 + CGU_SCBF_DIS, 0); + + // Extra half rate clocks generated in the CDU + clks[ADSP_SC57X_CLK_OCLK0_HALF] = clk_register_fixed_factor(NULL, "oclk_0_half", + "oclk_0", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC57X_CLK_CCLK1_1_HALF] = clk_register_fixed_factor(NULL, + "cclk1_1_half", + "cclk1_1", + CLK_SET_RATE_PARENT, + 1, 2); + + // CDU output muxes + clks[ADSP_SC57X_CLK_SHARC0_SEL] = cdu_mux("sharc0_sel", cdu + CDU_CFG0, + sharc0_sels); + clks[ADSP_SC57X_CLK_SHARC1_SEL] = cdu_mux("sharc1_sel", cdu + CDU_CFG1, + sharc1_sels); + clks[ADSP_SC57X_CLK_ARM_SEL] = cdu_mux("arm_sel", cdu + CDU_CFG2, arm_sels); + clks[ADSP_SC57X_CLK_CDU_DDR_SEL] = cdu_mux("cdu_ddr_sel", cdu + CDU_CFG3, + cdu_ddr_sels); + clks[ADSP_SC57X_CLK_CAN_SEL] = cdu_mux("can_sel", cdu + CDU_CFG4, can_sels); + clks[ADSP_SC57X_CLK_SPDIF_SEL] = cdu_mux("spdif_sel", cdu + CDU_CFG5, spdif_sels); + clks[ADSP_SC57X_CLK_GIGE_SEL] = cdu_mux("gige_sel", cdu + CDU_CFG7, gige_sels); + clks[ADSP_SC57X_CLK_SDIO_SEL] = cdu_mux("sdio_sel", cdu + CDU_CFG9, sdio_sels); + + // CDU output enable gates + clks[ADSP_SC57X_CLK_SHARC0] = cdu_gate("sharc0", "sharc0_sel", cdu + CDU_CFG0, + CLK_IS_CRITICAL); + clks[ADSP_SC57X_CLK_SHARC1] = cdu_gate("sharc1", "sharc1_sel", cdu + CDU_CFG1, + CLK_IS_CRITICAL); + clks[ADSP_SC57X_CLK_ARM] = cdu_gate("arm", "arm_sel", cdu + CDU_CFG2, + CLK_IS_CRITICAL); + clks[ADSP_SC57X_CLK_CDU_DDR] = cdu_gate("cdu_ddr", "cdu_ddr_sel", cdu + CDU_CFG3, + CLK_IS_CRITICAL); + clks[ADSP_SC57X_CLK_CAN] = cdu_gate("can", "can_sel", cdu + CDU_CFG4, 0); + clks[ADSP_SC57X_CLK_SPDIF] = cdu_gate("spdif", "spdif_sel", cdu + CDU_CFG5, 0); + clks[ADSP_SC57X_CLK_GIGE] = cdu_gate("gige", "gige_sel", cdu + CDU_CFG7, 0); + clks[ADSP_SC57X_CLK_SDIO] = cdu_gate("sdio", "sdio_sel", cdu + CDU_CFG9, 0); + + ret = cdu_check_clocks(clks, ARRAY_SIZE(clks)); + if (ret) + pr_err("CDU error detected\n"); + + return ret; +} + +static const struct udevice_id adi_sc57x_clk_ids[] = { + { .compatible = "adi,sc57x-clocks" }, + { }, +}; + +U_BOOT_DRIVER(adi_sc57x_clk) = { + .name = "clk_adi_sc57x", + .id = UCLASS_CLK, + .of_match = adi_sc57x_clk_ids, + .ops = &adi_clk_ops, + .probe = sc57x_clock_probe, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/adi/clk-adi-sc58x.c b/drivers/clk/adi/clk-adi-sc58x.c new file mode 100644 index 0000000000..05a0feddec --- /dev/null +++ b/drivers/clk/adi/clk-adi-sc58x.c @@ -0,0 +1,222 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +static const char * const cgu1_in_sels[] = {"sys_clkin0", "sys_clkin1"}; +static const char * const sharc0_sels[] = {"cclk0_0", "sysclk_0", "dummy", "dummy"}; +static const char * const sharc1_sels[] = {"cclk0_0", "sysclk_0", "dummy", "dummy"}; +static const char * const arm_sels[] = {"cclk1_0", "sysclk_0", "dummy", "dummy"}; +static const char * const cdu_ddr_sels[] = {"dclk_0", "dclk_1", "dummy", "dummy"}; +static const char * const can_sels[] = {"oclk_0", "oclk_1", "dclk_1", "dummy"}; +static const char * const spdif_sels[] = {"oclk_0", "oclk_1", "dclk_1", "dclk_0"}; +static const char * const reserved_sels[] = {"sclk0_0", "oclk_0", "dummy", "dummy"}; +static const char * const gige_sels[] = {"sclk0_0", "sclk1_1", "cclk0_1", "oclk_0"}; +static const char * const lp_sels[] = {"sclk0_0", "sclk0_1", "cclk1_1", "dclk_1"}; +static const char * const sdio_sels[] = {"oclk_0_half", "cclk1_1_half", "cclk1_1", + "dclk_1"}; + +static int sc58x_clock_probe(struct udevice *dev) +{ + void __iomem *cgu0; + void __iomem *cgu1; + void __iomem *cdu; + int ret; + struct resource res; + + struct clk *clks[ADSP_SC58X_CLK_END]; + struct clk dummy, clkin0, clkin1; + + ret = dev_read_resource_byname(dev, "cgu0", &res); + if (ret) + return ret; + cgu0 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cgu1", &res); + if (ret) + return ret; + cgu1 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cdu", &res); + if (ret) + return ret; + cdu = devm_ioremap(dev, res.start, resource_size(&res)); + + // Input clock configuration + clk_get_by_name(dev, "dummy", &dummy); + clk_get_by_name(dev, "sys_clkin0", &clkin0); + clk_get_by_name(dev, "sys_clkin1", &clkin1); + + clks[ADSP_SC58X_CLK_DUMMY] = &dummy; + clks[ADSP_SC58X_CLK_SYS_CLKIN0] = &clkin0; + clks[ADSP_SC58X_CLK_SYS_CLKIN1] = &clkin1; + + clks[ADSP_SC58X_CLK_CGU1_IN] = clk_register_mux(NULL, "cgu1_in_sel", cgu1_in_sels, + 2, CLK_SET_RATE_PARENT, + cdu + CDU_CLKINSEL, 0, 1, 0); + + // CGU configuration and internal clocks + clks[ADSP_SC58X_CLK_CGU0_PLL_IN] = clk_register_divider(NULL, "cgu0_df", + "sys_clkin0", + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 0, 1, 0); + clks[ADSP_SC58X_CLK_CGU1_PLL_IN] = clk_register_divider(NULL, "cgu1_df", + "cgu1_in_sel", + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 0, 1, 0); + + // VCO output inside PLL + clks[ADSP_SC58X_CLK_CGU0_VCO_OUT] = sc5xx_cgu_pll("cgu0_vco", "cgu0_df", + cgu0 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + clks[ADSP_SC58X_CLK_CGU1_VCO_OUT] = sc5xx_cgu_pll("cgu1_vco", "cgu1_df", + cgu1 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + + // Final PLL output + clks[ADSP_SC58X_CLK_CGU0_PLLCLK] = clk_register_fixed_factor(NULL, "cgu0_pllclk", + "cgu0_vco", + CLK_SET_RATE_PARENT, + 1, 1); + clks[ADSP_SC58X_CLK_CGU1_PLLCLK] = clk_register_fixed_factor(NULL, "cgu1_pllclk", + "cgu1_vco", + CLK_SET_RATE_PARENT, + 1, 1); + + // Dividers from pll output + clks[ADSP_SC58X_CLK_CGU0_CDIV] = cgu_divider("cgu0_cdiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC58X_CLK_CGU0_SYSCLK] = cgu_divider("sysclk_0", "cgu0_pllclk", + cgu0 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC58X_CLK_CGU0_DDIV] = cgu_divider("cgu0_ddiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC58X_CLK_CGU0_ODIV] = cgu_divider("cgu0_odiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC58X_CLK_CGU0_S0SELDIV] = cgu_divider("cgu0_s0seldiv", "sysclk_0", + cgu0 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC58X_CLK_CGU0_S1SELDIV] = cgu_divider("cgu0_s1seldiv", "sysclk_0", + cgu0 + CGU_DIV, 13, 3, 0); + + clks[ADSP_SC58X_CLK_CGU1_CDIV] = cgu_divider("cgu1_cdiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC58X_CLK_CGU1_SYSCLK] = cgu_divider("sysclk_1", "cgu1_pllclk", + cgu1 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC58X_CLK_CGU1_DDIV] = cgu_divider("cgu1_ddiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC58X_CLK_CGU1_ODIV] = cgu_divider("cgu1_odiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC58X_CLK_CGU1_S0SELDIV] = cgu_divider("cgu1_s0seldiv", "sysclk_1", + cgu1 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC58X_CLK_CGU1_S1SELDIV] = cgu_divider("cgu1_s1seldiv", "sysclk_1", + cgu1 + CGU_DIV, 13, 3, 0); + + // Gates to enable CGU outputs + clks[ADSP_SC58X_CLK_CGU0_CCLK0] = cgu_gate("cclk0_0", "cgu0_cdiv", + cgu0 + CGU_CCBF_DIS, 0); + clks[ADSP_SC58X_CLK_CGU0_CCLK1] = cgu_gate("cclk1_0", "cgu0_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC58X_CLK_CGU0_OCLK] = cgu_gate("oclk_0", "cgu0_odiv", + cgu0 + CGU_SCBF_DIS, 3); + clks[ADSP_SC58X_CLK_CGU0_DCLK] = cgu_gate("dclk_0", "cgu0_ddiv", + cgu0 + CGU_SCBF_DIS, 2); + clks[ADSP_SC58X_CLK_CGU0_SCLK1] = cgu_gate("sclk1_0", "cgu0_s1seldiv", + cgu0 + CGU_SCBF_DIS, 1); + clks[ADSP_SC58X_CLK_CGU0_SCLK0] = cgu_gate("sclk0_0", "cgu0_s0seldiv", + cgu0 + CGU_SCBF_DIS, 0); + + clks[ADSP_SC58X_CLK_CGU1_CCLK0] = cgu_gate("cclk0_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 0); + clks[ADSP_SC58X_CLK_CGU1_CCLK1] = cgu_gate("cclk1_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC58X_CLK_CGU1_OCLK] = cgu_gate("oclk_1", "cgu1_odiv", + cgu1 + CGU_SCBF_DIS, 3); + clks[ADSP_SC58X_CLK_CGU1_DCLK] = cgu_gate("dclk_1", "cgu1_ddiv", + cgu1 + CGU_SCBF_DIS, 2); + clks[ADSP_SC58X_CLK_CGU1_SCLK1] = cgu_gate("sclk1_1", "cgu1_s1seldiv", + cgu1 + CGU_SCBF_DIS, 1); + clks[ADSP_SC58X_CLK_CGU1_SCLK0] = cgu_gate("sclk0_1", "cgu1_s0seldiv", + cgu1 + CGU_SCBF_DIS, 0); + + // Extra half rate clocks generated in the CDU + clks[ADSP_SC58X_CLK_OCLK0_HALF] = clk_register_fixed_factor(NULL, "oclk_0_half", + "oclk_0", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC58X_CLK_CCLK1_1_HALF] = clk_register_fixed_factor(NULL, + "cclk1_1_half", + "cclk1_1", + CLK_SET_RATE_PARENT, + 1, 2); + + // CDU output muxes + clks[ADSP_SC58X_CLK_SHARC0_SEL] = cdu_mux("sharc0_sel", cdu + CDU_CFG0, + sharc0_sels); + clks[ADSP_SC58X_CLK_SHARC1_SEL] = cdu_mux("sharc1_sel", cdu + CDU_CFG1, + sharc1_sels); + clks[ADSP_SC58X_CLK_ARM_SEL] = cdu_mux("arm_sel", cdu + CDU_CFG2, arm_sels); + clks[ADSP_SC58X_CLK_CDU_DDR_SEL] = cdu_mux("cdu_ddr_sel", cdu + CDU_CFG3, + cdu_ddr_sels); + clks[ADSP_SC58X_CLK_CAN_SEL] = cdu_mux("can_sel", cdu + CDU_CFG4, can_sels); + clks[ADSP_SC58X_CLK_SPDIF_SEL] = cdu_mux("spdif_sel", cdu + CDU_CFG5, spdif_sels); + clks[ADSP_SC58X_CLK_RESERVED_SEL] = cdu_mux("reserved_sel", cdu + CDU_CFG6, + reserved_sels); + clks[ADSP_SC58X_CLK_GIGE_SEL] = cdu_mux("gige_sel", cdu + CDU_CFG7, gige_sels); + clks[ADSP_SC58X_CLK_LP_SEL] = cdu_mux("lp_sel", cdu + CDU_CFG8, lp_sels); + clks[ADSP_SC58X_CLK_SDIO_SEL] = cdu_mux("sdio_sel", cdu + CDU_CFG9, sdio_sels); + + // CDU output enable gates + clks[ADSP_SC58X_CLK_SHARC0] = cdu_gate("sharc0", "sharc0_sel", cdu + CDU_CFG0, + CLK_IS_CRITICAL); + clks[ADSP_SC58X_CLK_SHARC1] = cdu_gate("sharc1", "sharc1_sel", cdu + CDU_CFG1, + CLK_IS_CRITICAL); + clks[ADSP_SC58X_CLK_ARM] = cdu_gate("arm", "arm_sel", cdu + CDU_CFG2, + CLK_IS_CRITICAL); + clks[ADSP_SC58X_CLK_CDU_DDR] = cdu_gate("cdu_ddr", "cdu_ddr_sel", cdu + CDU_CFG3, + CLK_IS_CRITICAL); + clks[ADSP_SC58X_CLK_CAN] = cdu_gate("can", "can_sel", cdu + CDU_CFG4, 0); + clks[ADSP_SC58X_CLK_SPDIF] = cdu_gate("spdif", "spdif_sel", cdu + CDU_CFG5, 0); + clks[ADSP_SC58X_CLK_RESERVED] = cdu_gate("reserved", "reserved_sel", + cdu + CDU_CFG6, 0); + clks[ADSP_SC58X_CLK_GIGE] = cdu_gate("gige", "gige_sel", cdu + CDU_CFG7, 0); + clks[ADSP_SC58X_CLK_LP] = cdu_gate("lp", "lp_sel", cdu + CDU_CFG8, 0); + clks[ADSP_SC58X_CLK_SDIO] = cdu_gate("sdio", "sdio_sel", cdu + CDU_CFG9, 0); + + ret = cdu_check_clocks(clks, ARRAY_SIZE(clks)); + if (ret) + pr_err("CDU error detected\n"); + + return ret; +} + +static const struct udevice_id adi_sc58x_clk_ids[] = { + { .compatible = "adi,sc58x-clocks" }, + { }, +}; + +U_BOOT_DRIVER(adi_sc58x_clk) = { + .name = "clk_adi_sc58x", + .id = UCLASS_CLK, + .of_match = adi_sc58x_clk_ids, + .ops = &adi_clk_ops, + .probe = sc58x_clock_probe, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/adi/clk-adi-sc594.c b/drivers/clk/adi/clk-adi-sc594.c new file mode 100644 index 0000000000..c80bbf9728 --- /dev/null +++ b/drivers/clk/adi/clk-adi-sc594.c @@ -0,0 +1,231 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +static const char * const cgu1_in_sels[] = {"sys_clkin0", "sys_clkin1"}; +static const char * const cgu0_s1sels[] = {"cgu0_s1seldiv", "cgu0_s1selexdiv"}; +static const char * const cgu1_s1sels[] = {"cgu1_s1seldiv", "cgu1_s1selexdiv"}; +static const char * const sharc0_sels[] = {"cclk0_0", "dummy", "dummy", "dummy"}; +static const char * const sharc1_sels[] = {"cclk0_0", "dummy", "dummy", "dummy"}; +static const char * const arm_sels[] = {"cclk1_0", "dummy", "dummy", "dummy"}; +static const char * const cdu_ddr_sels[] = {"dclk_0", "dclk_1", "dummy", "dummy"}; +static const char * const can_sels[] = {"oclk_0", "oclk_1", "dummy", "dummy"}; +static const char * const spdif_sels[] = {"sclk1_0", "dummy", "dummy", "dummy"}; +static const char * const spi_sels[] = {"sclk0_0", "oclk_0", "dummy", "dummy"}; +static const char * const gige_sels[] = {"sclk0_0", "sclk0_1", "cclk0_1", "dummy"}; +static const char * const lp_sels[] = {"oclk_0", "sclk0_0", "cclk0_1", "dummy"}; +static const char * const lpddr_sels[] = {"oclk_0", "dclk_0", "sysclkin_1", "dummy"}; +static const char * const ospi_sels[] = {"sysclk_0", "sclk0_0", "sclk1_1", "dummy"}; +static const char * const trace_sels[] = {"sclk0_0", "dummy", "dummy", "dummy"}; + +static int sc594_clock_probe(struct udevice *dev) +{ + void __iomem *cgu0; + void __iomem *cgu1; + void __iomem *cdu; + int ret; + struct resource res; + + struct clk *clks[ADSP_SC594_CLK_END]; + struct clk dummy, clkin0, clkin1; + + ret = dev_read_resource_byname(dev, "cgu0", &res); + if (ret) + return ret; + cgu0 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cgu1", &res); + if (ret) + return ret; + cgu1 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cdu", &res); + if (ret) + return ret; + cdu = devm_ioremap(dev, res.start, resource_size(&res)); + + // Input clock configuration + clk_get_by_name(dev, "dummy", &dummy); + clk_get_by_name(dev, "sys_clkin0", &clkin0); + clk_get_by_name(dev, "sys_clkin1", &clkin1); + + clks[ADSP_SC594_CLK_DUMMY] = &dummy; + clks[ADSP_SC594_CLK_SYS_CLKIN0] = &clkin0; + clks[ADSP_SC594_CLK_SYS_CLKIN1] = &clkin1; + clks[ADSP_SC594_CLK_CGU1_IN] = clk_register_mux(NULL, "cgu1_in_sel", cgu1_in_sels, + 2, CLK_SET_RATE_PARENT, + cdu + CDU_CLKINSEL, 0, 1, 0); + + // CGU configuration and internal clocks + clks[ADSP_SC594_CLK_CGU0_PLL_IN] = clk_register_divider(NULL, "cgu0_df", + "sys_clkin0", + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 0, 1, 0); + clks[ADSP_SC594_CLK_CGU1_PLL_IN] = clk_register_divider(NULL, "cgu1_df", + "cgu1_in_sel", + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 0, 1, 0); + + // VCO output inside PLL + clks[ADSP_SC594_CLK_CGU0_VCO_OUT] = sc5xx_cgu_pll("cgu0_vco", "cgu0_df", + cgu0 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + clks[ADSP_SC594_CLK_CGU1_VCO_OUT] = sc5xx_cgu_pll("cgu1_vco", "cgu1_df", + cgu1 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, false); + + // Final PLL output + clks[ADSP_SC594_CLK_CGU0_PLLCLK] = clk_register_fixed_factor(NULL, "cgu0_pllclk", + "cgu0_vco", + CLK_SET_RATE_PARENT, + 1, 1); + clks[ADSP_SC594_CLK_CGU1_PLLCLK] = clk_register_fixed_factor(NULL, "cgu1_pllclk", + "cgu1_vco", + CLK_SET_RATE_PARENT, + 1, 1); + + // Dividers from pll output + clks[ADSP_SC594_CLK_CGU0_CDIV] = cgu_divider("cgu0_cdiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC594_CLK_CGU0_SYSCLK] = cgu_divider("sysclk_0", "cgu0_pllclk", + cgu0 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC594_CLK_CGU0_DDIV] = cgu_divider("cgu0_ddiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC594_CLK_CGU0_ODIV] = cgu_divider("cgu0_odiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC594_CLK_CGU0_S0SELDIV] = cgu_divider("cgu0_s0seldiv", "sysclk_0", + cgu0 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC594_CLK_CGU0_S1SELDIV] = cgu_divider("cgu0_s1seldiv", "sysclk_0", + cgu0 + CGU_DIV, 13, 3, 0); + clks[ADSP_SC594_CLK_CGU0_S1SELEXDIV] = cgu_divider("cgu0_s1selexdiv", + "cgu0_pllclk", + cgu0 + CGU_DIVEX, 16, 8, 0); + clks[ADSP_SC594_CLK_CGU0_S1SEL] = clk_register_mux(NULL, "cgu0_sclk1sel", + cgu0_s1sels, 2, + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 17, 1, 0); + + clks[ADSP_SC594_CLK_CGU1_CDIV] = cgu_divider("cgu1_cdiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC594_CLK_CGU1_SYSCLK] = cgu_divider("sysclk_1", "cgu1_pllclk", + cgu1 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC594_CLK_CGU1_DDIV] = cgu_divider("cgu1_ddiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC594_CLK_CGU1_ODIV] = cgu_divider("cgu1_odiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC594_CLK_CGU1_S0SELDIV] = cgu_divider("cgu1_s0seldiv", "sysclk_1", + cgu1 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC594_CLK_CGU1_S1SELDIV] = cgu_divider("cgu1_s1seldiv", "sysclk_1", + cgu1 + CGU_DIV, 13, 3, 0); + clks[ADSP_SC594_CLK_CGU1_S1SELEXDIV] = cgu_divider("cgu1_s1selexdiv", + "cgu1_pllclk", + cgu1 + CGU_DIVEX, 16, 8, 0); + clks[ADSP_SC594_CLK_CGU1_S1SEL] = clk_register_mux(NULL, "cgu1_sclk1sel", + cgu1_s1sels, 2, + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 17, 1, 0); + + // Gates to enable CGU outputs + clks[ADSP_SC594_CLK_CGU0_CCLK0] = cgu_gate("cclk0_0", "cgu0_cdiv", + cgu0 + CGU_CCBF_DIS, 0); + clks[ADSP_SC594_CLK_CGU0_CCLK1] = cgu_gate("cclk1_0", "cgu0_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC594_CLK_CGU0_OCLK] = cgu_gate("oclk_0", "cgu0_odiv", + cgu0 + CGU_SCBF_DIS, 3); + clks[ADSP_SC594_CLK_CGU0_DCLK] = cgu_gate("dclk_0", "cgu0_ddiv", + cgu0 + CGU_SCBF_DIS, 2); + clks[ADSP_SC594_CLK_CGU0_SCLK1] = cgu_gate("sclk1_0", "cgu0_sclk1sel", + cgu0 + CGU_SCBF_DIS, 1); + clks[ADSP_SC594_CLK_CGU0_SCLK0] = cgu_gate("sclk0_0", "cgu0_s0seldiv", + cgu0 + CGU_SCBF_DIS, 0); + + clks[ADSP_SC594_CLK_CGU1_CCLK0] = cgu_gate("cclk0_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 0); + clks[ADSP_SC594_CLK_CGU1_CCLK1] = cgu_gate("cclk1_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 1); + clks[ADSP_SC594_CLK_CGU1_OCLK] = cgu_gate("oclk_1", "cgu1_odiv", + cgu1 + CGU_SCBF_DIS, 3); + clks[ADSP_SC594_CLK_CGU1_DCLK] = cgu_gate("dclk_1", "cgu1_ddiv", + cgu1 + CGU_SCBF_DIS, 2); + clks[ADSP_SC594_CLK_CGU1_SCLK1] = cgu_gate("sclk1_1", "cgu1_sclk1sel", + cgu1 + CGU_SCBF_DIS, 1); + clks[ADSP_SC594_CLK_CGU1_SCLK0] = cgu_gate("sclk0_1", "cgu1_s0seldiv", + cgu1 + CGU_SCBF_DIS, 0); + + // CDU output muxes + clks[ADSP_SC594_CLK_SHARC0_SEL] = cdu_mux("sharc0_sel", cdu + CDU_CFG0, + sharc0_sels); + clks[ADSP_SC594_CLK_SHARC1_SEL] = cdu_mux("sharc1_sel", cdu + CDU_CFG1, + sharc1_sels); + clks[ADSP_SC594_CLK_ARM_SEL] = cdu_mux("arm_sel", cdu + CDU_CFG2, arm_sels); + clks[ADSP_SC594_CLK_CDU_DDR_SEL] = cdu_mux("cdu_ddr_sel", cdu + CDU_CFG3, + cdu_ddr_sels); + clks[ADSP_SC594_CLK_CAN_SEL] = cdu_mux("can_sel", cdu + CDU_CFG4, can_sels); + clks[ADSP_SC594_CLK_SPDIF_SEL] = cdu_mux("spdif_sel", cdu + CDU_CFG5, spdif_sels); + clks[ADSP_SC594_CLK_RESERVED_SEL] = cdu_mux("spi_sel", cdu + CDU_CFG6, spi_sels); + clks[ADSP_SC594_CLK_GIGE_SEL] = cdu_mux("gige_sel", cdu + CDU_CFG7, gige_sels); + clks[ADSP_SC594_CLK_LP_SEL] = cdu_mux("lp_sel", cdu + CDU_CFG8, lp_sels); + clks[ADSP_SC594_CLK_LPDDR_SEL] = cdu_mux("lpddr_sel", cdu + CDU_CFG9, lpddr_sels); + clks[ADSP_SC594_CLK_OSPI_SEL] = cdu_mux("ospi_sel", cdu + CDU_CFG10, + ospi_sels); + clks[ADSP_SC594_CLK_TRACE_SEL] = cdu_mux("trace_sel", cdu + CDU_CFG12, + trace_sels); + + // CDU output enable gates + clks[ADSP_SC594_CLK_SHARC0] = cdu_gate("sharc0", "sharc0_sel", + cdu + CDU_CFG0, CLK_IS_CRITICAL); + clks[ADSP_SC594_CLK_SHARC1] = cdu_gate("sharc1", "sharc1_sel", + cdu + CDU_CFG1, CLK_IS_CRITICAL); + clks[ADSP_SC594_CLK_ARM] = cdu_gate("arm", "arm_sel", cdu + CDU_CFG2, + CLK_IS_CRITICAL); + clks[ADSP_SC594_CLK_CDU_DDR] = cdu_gate("cdu_ddr", "cdu_ddr_sel", + cdu + CDU_CFG3, CLK_IS_CRITICAL); + clks[ADSP_SC594_CLK_CAN] = cdu_gate("can", "can_sel", cdu + CDU_CFG4, 0); + clks[ADSP_SC594_CLK_SPDIF] = cdu_gate("spdif", "spdif_sel", cdu + CDU_CFG5, 0); + clks[ADSP_SC594_CLK_SPI] = cdu_gate("spi", "spi_sel", cdu + CDU_CFG6, 0); + clks[ADSP_SC594_CLK_GIGE] = cdu_gate("gige", "gige_sel", cdu + CDU_CFG7, 0); + clks[ADSP_SC594_CLK_LP] = cdu_gate("lp", "lp_sel", cdu + CDU_CFG8, 0); + clks[ADSP_SC594_CLK_LPDDR] = cdu_gate("lpddr", "lpddr_sel", cdu + CDU_CFG9, 0); + clks[ADSP_SC594_CLK_OSPI] = cdu_gate("ospi", "ospi_sel", cdu + CDU_CFG10, 0); + clks[ADSP_SC594_CLK_TRACE] = cdu_gate("trace", "trace_sel", cdu + CDU_CFG12, 0); + + ret = cdu_check_clocks(clks, ARRAY_SIZE(clks)); + if (ret) + pr_err("CDU error detected\n"); + + return ret; +} + +static const struct udevice_id adi_sc594_clk_ids[] = { + { .compatible = "adi,sc594-clocks" }, + { }, +}; + +U_BOOT_DRIVER(adi_sc594_clk) = { + .name = "clk_adi_sc594", + .id = UCLASS_CLK, + .of_match = adi_sc594_clk_ids, + .ops = &adi_clk_ops, + .probe = sc594_clock_probe, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/adi/clk-adi-sc598.c b/drivers/clk/adi/clk-adi-sc598.c new file mode 100644 index 0000000000..d4a16ac960 --- /dev/null +++ b/drivers/clk/adi/clk-adi-sc598.c @@ -0,0 +1,308 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk.h" + +static const char * const cgu1_in_sels[] = {"sys_clkin0", "sys_clkin1"}; +static const char * const cgu0_s1sels[] = {"cgu0_s1seldiv", "cgu0_s1selexdiv"}; +static const char * const cgu1_s0sels[] = {"cgu1_s0seldiv", "cgu1_s0selexdiv"}; +static const char * const cgu1_s1sels[] = {"cgu1_s1seldiv", "cgu1_s1selexdiv"}; +static const char * const sharc0_sels[] = {"cclk0_0", "dummy", "dummy", "dummy"}; +static const char * const sharc1_sels[] = {"cclk0_0", "dummy", "dummy", "dummy"}; +static const char * const arm_sels[] = {"dummy", "dummy", "cclk2_0", "cclk2_1"}; +static const char * const cdu_ddr_sels[] = {"dclk_0", "dclk_1", "dummy", "dummy"}; +static const char * const can_sels[] = {"dummy", "oclk_1", "dummy", "dummy"}; +static const char * const spdif_sels[] = {"sclk1_0", "dummy", "dummy", "dummy"}; +static const char * const spi_sels[] = {"sclk0_0", "oclk_0", "dummy", "dummy"}; +static const char * const gige_sels[] = {"sclk0_0", "sclk0_1", "dummy", "dummy"}; +static const char * const lp_sels[] = {"oclk_0", "sclk0_0", "cclk0_1", "dummy"}; +static const char * const lp_ddr_sels[] = {"oclk_0", "dclk_0", "sysclk_1", "dummy"}; +static const char * const ospi_refclk_sels[] = {"sysclk_0", "sclk0_0", "sclk1_1", + "dummy"}; +static const char * const trace_sels[] = {"sclk0_0", "dummy", "dummy", "dummy"}; +static const char * const emmc_sels[] = {"oclk_0", "sclk0_1", "dclk_0_half", + "dclk_1_half"}; +static const char * const emmc_timer_sels[] = {"dummy", "sclk1_1_half", "dummy", + "dummy"}; +static const char * const ddr_sels[] = {"cdu_ddr", "3pll_ddiv"}; + +static int sc598_clock_probe(struct udevice *dev) +{ + void __iomem *cgu0; + void __iomem *cgu1; + void __iomem *cdu; + void __iomem *pll3; + int ret; + struct resource res; + + struct clk *clks[ADSP_SC598_CLK_END]; + struct clk dummy, clkin0, clkin1; + + ret = dev_read_resource_byname(dev, "cgu0", &res); + if (ret) + return ret; + cgu0 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cgu1", &res); + if (ret) + return ret; + cgu1 = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "cdu", &res); + if (ret) + return ret; + cdu = devm_ioremap(dev, res.start, resource_size(&res)); + + ret = dev_read_resource_byname(dev, "pll3", &res); + if (ret) + return ret; + pll3 = devm_ioremap(dev, res.start, resource_size(&res)); + + // We only access this one register for pll3 + pll3 = pll3 + PLL3_OFFSET; + + // Input clock configuration + clk_get_by_name(dev, "dummy", &dummy); + clk_get_by_name(dev, "sys_clkin0", &clkin0); + clk_get_by_name(dev, "sys_clkin1", &clkin1); + + clks[ADSP_SC598_CLK_DUMMY] = &dummy; + clks[ADSP_SC598_CLK_SYS_CLKIN0] = &clkin0; + clks[ADSP_SC598_CLK_SYS_CLKIN1] = &clkin1; + + clks[ADSP_SC598_CLK_CGU1_IN] = clk_register_mux(NULL, "cgu1_in_sel", cgu1_in_sels, + 2, CLK_SET_RATE_PARENT, + cdu + CDU_CLKINSEL, 0, 1, 0); + + // 3rd pll reuses cgu1 clk in selection, feeds directly into 3pll df + // changing the cgu1 in sel mux will affect 3pll so reuse the same clocks + + // CGU configuration and internal clocks + clks[ADSP_SC598_CLK_CGU0_PLL_IN] = clk_register_divider(NULL, "cgu0_df", + "sys_clkin0", + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 0, 1, 0); + clks[ADSP_SC598_CLK_CGU1_PLL_IN] = clk_register_divider(NULL, "cgu1_df", + "cgu1_in_sel", + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 0, 1, 0); + clks[ADSP_SC598_CLK_3PLL_PLL_IN] = clk_register_divider(NULL, "3pll_df", + "cgu1_in_sel", + CLK_SET_RATE_PARENT, + pll3, 3, 1, 0); + + // VCO output inside PLL + clks[ADSP_SC598_CLK_CGU0_VCO_OUT] = sc5xx_cgu_pll("cgu0_vco", "cgu0_df", + cgu0 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, true); + clks[ADSP_SC598_CLK_CGU1_VCO_OUT] = sc5xx_cgu_pll("cgu1_vco", "cgu1_df", + cgu1 + CGU_CTL, CGU_MSEL_SHIFT, + CGU_MSEL_WIDTH, 0, true); + clks[ADSP_SC598_CLK_3PLL_VCO_OUT] = sc5xx_cgu_pll("3pll_vco", "3pll_df", + pll3, PLL3_MSEL_SHIFT, + PLL3_MSEL_WIDTH, 1, true); + + // Final PLL output + clks[ADSP_SC598_CLK_CGU0_PLLCLK] = clk_register_fixed_factor(NULL, "cgu0_pllclk", + "cgu0_vco", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC598_CLK_CGU1_PLLCLK] = clk_register_fixed_factor(NULL, "cgu1_pllclk", + "cgu1_vco", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC598_CLK_3PLL_PLLCLK] = clk_register_fixed_factor(NULL, "3pll_pllclk", + "3pll_vco", + CLK_SET_RATE_PARENT, + 1, 2); + + // Dividers from pll output + clks[ADSP_SC598_CLK_CGU0_CDIV] = cgu_divider("cgu0_cdiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC598_CLK_CGU0_SYSCLK] = cgu_divider("sysclk_0", "cgu0_pllclk", + cgu0 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC598_CLK_CGU0_DDIV] = cgu_divider("cgu0_ddiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC598_CLK_CGU0_ODIV] = cgu_divider("cgu0_odiv", "cgu0_pllclk", + cgu0 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC598_CLK_CGU0_S0SELDIV] = cgu_divider("cgu0_s0seldiv", "sysclk_0", + cgu0 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC598_CLK_CGU0_S1SELDIV] = cgu_divider("cgu0_s1seldiv", "sysclk_0", + cgu0 + CGU_DIV, 13, 3, 0); + clks[ADSP_SC598_CLK_CGU0_S1SELEXDIV] = cgu_divider("cgu0_s1selexdiv", + "cgu0_pllclk", + cgu0 + CGU_DIVEX, 16, 8, 0); + clks[ADSP_SC598_CLK_CGU0_S1SEL] = clk_register_mux(NULL, "cgu0_sclk1sel", + cgu0_s1sels, 2, + CLK_SET_RATE_PARENT, + cgu0 + CGU_CTL, 17, 1, 0); + clks[ADSP_SC598_CLK_CGU0_CCLK2] = clk_register_fixed_factor(NULL, "cclk2_0", + "cgu0_vco", + CLK_SET_RATE_PARENT, + 1, 3); + + clks[ADSP_SC598_CLK_CGU1_CDIV] = cgu_divider("cgu1_cdiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 0, 5, 0); + clks[ADSP_SC598_CLK_CGU1_SYSCLK] = cgu_divider("sysclk_1", "cgu1_pllclk", + cgu1 + CGU_DIV, 8, 5, 0); + clks[ADSP_SC598_CLK_CGU1_DDIV] = cgu_divider("cgu1_ddiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 16, 5, 0); + clks[ADSP_SC598_CLK_CGU1_ODIV] = cgu_divider("cgu1_odiv", "cgu1_pllclk", + cgu1 + CGU_DIV, 22, 7, 0); + clks[ADSP_SC598_CLK_CGU1_S0SELDIV] = cgu_divider("cgu1_s0seldiv", "sysclk_1", + cgu1 + CGU_DIV, 5, 3, 0); + clks[ADSP_SC598_CLK_CGU1_S1SELDIV] = cgu_divider("cgu1_s1seldiv", "sysclk_1", + cgu1 + CGU_DIV, 13, 3, 0); + clks[ADSP_SC598_CLK_CGU1_S0SELEXDIV] = cgu_divider("cgu1_s0selexdiv", + "cgu1_pllclk", + cgu1 + CGU_DIVEX, 0, 8, 0); + clks[ADSP_SC598_CLK_CGU1_S1SELEXDIV] = cgu_divider("cgu1_s1selexdiv", + "cgu1_pllclk", + cgu1 + CGU_DIVEX, 16, 8, 0); + clks[ADSP_SC598_CLK_CGU1_S0SEL] = clk_register_mux(NULL, "cgu1_sclk0sel", + cgu1_s0sels, 2, + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 16, 1, 0); + clks[ADSP_SC598_CLK_CGU1_S1SEL] = clk_register_mux(NULL, "cgu1_sclk1sel", + cgu1_s1sels, 2, + CLK_SET_RATE_PARENT, + cgu1 + CGU_CTL, 17, 1, 0); + clks[ADSP_SC598_CLK_CGU1_CCLK2] = clk_register_fixed_factor(NULL, "cclk2_1", + "cgu1_vco", + CLK_SET_RATE_PARENT, + 1, 3); + + clks[ADSP_SC598_CLK_3PLL_DDIV] = clk_register_divider(NULL, "3pll_ddiv", + "3pll_pllclk", + CLK_SET_RATE_PARENT, pll3, + 12, 5, 0); + + // Gates to enable CGU outputs + clks[ADSP_SC598_CLK_CGU0_CCLK0] = cgu_gate("cclk0_0", "cgu0_cdiv", + cgu0 + CGU_CCBF_DIS, 0); + clks[ADSP_SC598_CLK_CGU0_OCLK] = cgu_gate("oclk_0", "cgu0_odiv", + cgu0 + CGU_SCBF_DIS, 3); + clks[ADSP_SC598_CLK_CGU0_DCLK] = cgu_gate("dclk_0", "cgu0_ddiv", + cgu0 + CGU_SCBF_DIS, 2); + clks[ADSP_SC598_CLK_CGU0_SCLK1] = cgu_gate("sclk1_0", "cgu0_sclk1sel", + cgu0 + CGU_SCBF_DIS, 1); + clks[ADSP_SC598_CLK_CGU0_SCLK0] = cgu_gate("sclk0_0", "cgu0_s0seldiv", + cgu0 + CGU_SCBF_DIS, 0); + + clks[ADSP_SC598_CLK_CGU1_CCLK0] = cgu_gate("cclk0_1", "cgu1_cdiv", + cgu1 + CGU_CCBF_DIS, 0); + clks[ADSP_SC598_CLK_CGU1_OCLK] = cgu_gate("oclk_1", "cgu1_odiv", + cgu1 + CGU_SCBF_DIS, 3); + clks[ADSP_SC598_CLK_CGU1_DCLK] = cgu_gate("dclk_1", "cgu1_ddiv", + cgu1 + CGU_SCBF_DIS, 2); + clks[ADSP_SC598_CLK_CGU1_SCLK1] = cgu_gate("sclk1_1", "cgu1_sclk1sel", + cgu1 + CGU_SCBF_DIS, 1); + clks[ADSP_SC598_CLK_CGU1_SCLK0] = cgu_gate("sclk0_1", "cgu1_sclk0sel", + cgu1 + CGU_SCBF_DIS, 0); + + // Extra half rate clocks generated in the CDU + clks[ADSP_SC598_CLK_DCLK0_HALF] = clk_register_fixed_factor(NULL, "dclk_0_half", + "dclk_0", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC598_CLK_DCLK1_HALF] = clk_register_fixed_factor(NULL, "dclk_1_half", + "dclk_1", + CLK_SET_RATE_PARENT, + 1, 2); + clks[ADSP_SC598_CLK_CGU1_SCLK1_HALF] = clk_register_fixed_factor(NULL, + "sclk1_1_half", + "sclk1_1", + CLK_SET_RATE_PARENT, + 1, 2); + + // CDU output muxes + clks[ADSP_SC598_CLK_SHARC0_SEL] = cdu_mux("sharc0_sel", cdu + CDU_CFG0, + sharc0_sels); + clks[ADSP_SC598_CLK_SHARC1_SEL] = cdu_mux("sharc1_sel", cdu + CDU_CFG1, + sharc1_sels); + clks[ADSP_SC598_CLK_ARM_SEL] = cdu_mux("arm_sel", cdu + CDU_CFG2, arm_sels); + clks[ADSP_SC598_CLK_CDU_DDR_SEL] = cdu_mux("cdu_ddr_sel", cdu + CDU_CFG3, + cdu_ddr_sels); + clks[ADSP_SC598_CLK_CAN_SEL] = cdu_mux("can_sel", cdu + CDU_CFG4, can_sels); + clks[ADSP_SC598_CLK_SPDIF_SEL] = cdu_mux("spdif_sel", cdu + CDU_CFG5, spdif_sels); + clks[ADSP_SC598_CLK_SPI_SEL] = cdu_mux("spi_sel", cdu + CDU_CFG6, spi_sels); + clks[ADSP_SC598_CLK_GIGE_SEL] = cdu_mux("gige_sel", cdu + CDU_CFG7, gige_sels); + clks[ADSP_SC598_CLK_LP_SEL] = cdu_mux("lp_sel", cdu + CDU_CFG8, lp_sels); + clks[ADSP_SC598_CLK_LP_DDR_SEL] = cdu_mux("lp_ddr_sel", cdu + CDU_CFG9, + lp_ddr_sels); + clks[ADSP_SC598_CLK_OSPI_REFCLK_SEL] = cdu_mux("ospi_refclk_sel", cdu + CDU_CFG10, + ospi_refclk_sels); + clks[ADSP_SC598_CLK_TRACE_SEL] = cdu_mux("trace_sel", cdu + CDU_CFG12, + trace_sels); + clks[ADSP_SC598_CLK_EMMC_SEL] = cdu_mux("emmc_sel", cdu + CDU_CFG13, emmc_sels); + clks[ADSP_SC598_CLK_EMMC_TIMER_QMC_SEL] = cdu_mux("emmc_timer_qmc_sel", + cdu + CDU_CFG14, + emmc_timer_sels); + + // CDU output enable gates + clks[ADSP_SC598_CLK_SHARC0] = cdu_gate("sharc0", "sharc0_sel", cdu + CDU_CFG0, + CLK_IS_CRITICAL); + clks[ADSP_SC598_CLK_SHARC1] = cdu_gate("sharc1", "sharc1_sel", cdu + CDU_CFG1, + CLK_IS_CRITICAL); + clks[ADSP_SC598_CLK_ARM] = cdu_gate("arm", "arm_sel", cdu + CDU_CFG2, + CLK_IS_CRITICAL); + clks[ADSP_SC598_CLK_CDU_DDR] = cdu_gate("cdu_ddr", "cdu_ddr_sel", cdu + CDU_CFG3, + 0); + clks[ADSP_SC598_CLK_CAN] = cdu_gate("can", "can_sel", cdu + CDU_CFG4, 0); + clks[ADSP_SC598_CLK_SPDIF] = cdu_gate("spdif", "spdif_sel", cdu + CDU_CFG5, 0); + clks[ADSP_SC598_CLK_SPI] = cdu_gate("spi", "spi_sel", cdu + CDU_CFG6, 0); + clks[ADSP_SC598_CLK_GIGE] = cdu_gate("gige", "gige_sel", cdu + CDU_CFG7, 0); + clks[ADSP_SC598_CLK_LP] = cdu_gate("lp", "lp_sel", cdu + CDU_CFG8, 0); + clks[ADSP_SC598_CLK_LP_DDR] = cdu_gate("lp_ddr", "lp_ddr_sel", cdu + CDU_CFG9, 0); + clks[ADSP_SC598_CLK_OSPI_REFCLK] = cdu_gate("ospi_refclk", "ospi_refclk_sel", + cdu + CDU_CFG10, 0); + clks[ADSP_SC598_CLK_TRACE] = cdu_gate("trace", "trace_sel", cdu + CDU_CFG12, 0); + clks[ADSP_SC598_CLK_EMMC] = cdu_gate("emmc", "emmc_sel", cdu + CDU_CFG13, 0); + clks[ADSP_SC598_CLK_EMMC_TIMER_QMC] = cdu_gate("emmc_timer_qmc", + "emmc_timer_qmc_sel", + cdu + CDU_CFG14, 0); + + // Dedicated DDR output mux + clks[ADSP_SC598_CLK_DDR] = clk_register_mux(NULL, "ddr", ddr_sels, 2, + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, + pll3, 11, 1, 0); + + ret = cdu_check_clocks(clks, ARRAY_SIZE(clks)); + if (ret) + pr_err("CDU error detected\n"); + + return ret; +} + +static const struct udevice_id adi_sc598_clk_ids[] = { + { .compatible = "adi,sc598-clocks" }, + { }, +}; + +U_BOOT_DRIVER(adi_sc598_clk) = { + .name = "clk_adi_sc598", + .id = UCLASS_CLK, + .of_match = adi_sc598_clk_ids, + .ops = &adi_clk_ops, + .probe = sc598_clock_probe, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/adi/clk-shared.c b/drivers/clk/adi/clk-shared.c new file mode 100644 index 0000000000..dcadcafa9d --- /dev/null +++ b/drivers/clk/adi/clk-shared.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + */ + +#include "clk.h" + +static ulong adi_get_rate(struct clk *clk) +{ + struct clk *c; + int ret; + + ret = clk_get_by_id(clk->id, &c); + if (ret) + return ret; + + return clk_get_rate(c); +} + +static ulong adi_set_rate(struct clk *clk, ulong rate) +{ + //Not yet implemented + return 0; +} + +static int adi_enable(struct clk *clk) +{ + //Not yet implemented + return 0; +} + +static int adi_disable(struct clk *clk) +{ + //Not yet implemented + return 0; +} + +const struct clk_ops adi_clk_ops = { + .set_rate = adi_set_rate, + .get_rate = adi_get_rate, + .enable = adi_enable, + .disable = adi_disable, +}; + diff --git a/drivers/clk/adi/clk.h b/drivers/clk/adi/clk.h new file mode 100644 index 0000000000..f230205c31 --- /dev/null +++ b/drivers/clk/adi/clk.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Author: Greg Malysa + * + * Ported from Linux: Nathan Barrett-Morrison + */ + +#ifndef CLK_ADI_CLK_H +#define CLK_ADI_CLK_H + +#include +#include +#include + +#define CGU_CTL 0x00 +#define CGU_PLLCTL 0x04 +#define CGU_STAT 0x08 +#define CGU_DIV 0x0C +#define CGU_CLKOUTSEL 0x10 +#define CGU_OSCWDCTL 0x14 +#define CGU_TSCTL 0x18 +#define CGU_TSVALUE0 0x1C +#define CGU_TSVALUE1 0x20 +#define CGU_TSCOUNT0 0x24 +#define CGU_TSCOUNT1 0x28 +#define CGU_CCBF_DIS 0x2C +#define CGU_CCBF_STAT 0x30 +#define CGU_SCBF_DIS 0x38 +#define CGU_SCBF_STAT 0x3C +#define CGU_DIVEX 0x40 +#define CGU_REVID 0x48 + +#define CDU_CFG0 0x00 +#define CDU_CFG1 0x04 +#define CDU_CFG2 0x08 +#define CDU_CFG3 0x0C +#define CDU_CFG4 0x10 +#define CDU_CFG5 0x14 +#define CDU_CFG6 0x18 +#define CDU_CFG7 0x1C +#define CDU_CFG8 0x20 +#define CDU_CFG9 0x24 +#define CDU_CFG10 0x28 +#define CDU_CFG11 0x2C +#define CDU_CFG12 0x30 +#define CDU_CFG13 0x34 +#define CDU_CFG14 0x38 + +#define PLL3_OFFSET 0x2c + +#define CDU_CLKINSEL 0x44 + +#define CGU_MSEL_SHIFT 8 +#define CGU_MSEL_WIDTH 7 + +#define PLL3_MSEL_SHIFT 4 +#define PLL3_MSEL_WIDTH 7 + +#define CDU_MUX_SIZE 4 +#define CDU_MUX_SHIFT 1 +#define CDU_MUX_WIDTH 2 +#define CDU_EN_BIT 0 + +extern const struct clk_ops adi_clk_ops; + +struct clk *sc5xx_cgu_pll(const char *name, const char *parent_name, + void __iomem *base, u8 shift, u8 width, u32 m_offset, bool half_m); + +/** + * All CDU clock muxes are the same size + */ +static inline struct clk *cdu_mux(const char *name, void __iomem *reg, + const char * const *parents) +{ + return clk_register_mux(NULL, name, parents, CDU_MUX_SIZE, + CLK_SET_RATE_PARENT, reg, CDU_MUX_SHIFT, CDU_MUX_WIDTH, 0); +} + +static inline struct clk *cgu_divider(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 width, u8 extra_flags) +{ + return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT, + reg, shift, width, CLK_DIVIDER_MAX_AT_ZERO | extra_flags); +} + +static inline struct clk *cdu_gate(const char *name, const char *parent, + void __iomem *reg, u32 flags) +{ + return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT | flags, + reg, CDU_EN_BIT, 0, NULL); +} + +static inline struct clk *cgu_gate(const char *name, const char *parent, + void __iomem *reg, u8 bit) +{ + return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg, bit, + CLK_GATE_SET_TO_DISABLE, NULL); +} + +static inline int cdu_check_clocks(struct clk *clks[], size_t count) +{ + size_t i; + + for (i = 0; i < count; ++i) { + if (clks[i]) { + if (IS_ERR(clks[i])) { + pr_err("Clock %zu failed to register: %ld\n", i, PTR_ERR(clks[i])); + return PTR_ERR(clks[i]); + } + clks[i]->id = i; + } else { + pr_err("ADI Clock framework: Null pointer detected on clock %zu\n", i); + } + } + + return 0; +} + +#endif diff --git a/include/dt-bindings/clock/adi-sc5xx-clock.h b/include/dt-bindings/clock/adi-sc5xx-clock.h new file mode 100644 index 0000000000..4a5373d114 --- /dev/null +++ b/include/dt-bindings/clock/adi-sc5xx-clock.h @@ -0,0 +1,271 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * (C) Copyright 2022 - Analog Devices, Inc. + * + * Written and/or maintained by Timesys Corporation + * + * Contact: Nathan Barrett-Morrison + * Contact: Greg Malysa + * + */ + +#ifndef DT_BINDINGS_CLOCK_ADI_SC5XX_CLOCK_H +#define DT_BINDINGS_CLOCK_ADI_SC5XX_CLOCK_H + +//ADSP-SC594 +#define ADSP_SC594_CLK_DUMMY 0 +#define ADSP_SC594_CLK_SYS_CLKIN0 1 +#define ADSP_SC594_CLK_SYS_CLKIN1 2 +#define ADSP_SC594_CLK_CGU1_IN 3 +#define ADSP_SC594_CLK_CGU0_PLL_IN 4 +#define ADSP_SC594_CLK_CGU1_PLL_IN 5 +#define ADSP_SC594_CLK_CGU0_VCO_OUT 6 +#define ADSP_SC594_CLK_CGU1_VCO_OUT 7 +#define ADSP_SC594_CLK_CGU0_PLLCLK 8 +#define ADSP_SC594_CLK_CGU1_PLLCLK 9 +#define ADSP_SC594_CLK_CGU0_CDIV 10 +#define ADSP_SC594_CLK_CGU0_SYSCLK 11 +#define ADSP_SC594_CLK_CGU0_DDIV 12 +#define ADSP_SC594_CLK_CGU0_ODIV 13 +#define ADSP_SC594_CLK_CGU0_S0SELDIV 14 +#define ADSP_SC594_CLK_CGU0_S1SELDIV 15 +#define ADSP_SC594_CLK_CGU0_S1SELEXDIV 16 +#define ADSP_SC594_CLK_CGU0_S1SEL 17 +#define ADSP_SC594_CLK_CGU1_CDIV 18 +#define ADSP_SC594_CLK_CGU1_SYSCLK 19 +#define ADSP_SC594_CLK_CGU1_DDIV 20 +#define ADSP_SC594_CLK_CGU1_ODIV 21 +#define ADSP_SC594_CLK_CGU1_S0SELDIV 22 +#define ADSP_SC594_CLK_CGU1_S1SELDIV 23 +#define ADSP_SC594_CLK_CGU1_S1SELEXDIV 24 +#define ADSP_SC594_CLK_CGU1_S1SEL 25 +#define ADSP_SC594_CLK_CGU0_CCLK0 26 +#define ADSP_SC594_CLK_CGU0_CCLK1 27 +#define ADSP_SC594_CLK_CGU0_OCLK 28 +#define ADSP_SC594_CLK_CGU0_DCLK 29 +#define ADSP_SC594_CLK_CGU0_SCLK1 30 +#define ADSP_SC594_CLK_CGU0_SCLK0 31 +#define ADSP_SC594_CLK_CGU1_CCLK0 32 +#define ADSP_SC594_CLK_CGU1_CCLK1 33 +#define ADSP_SC594_CLK_CGU1_OCLK 34 +#define ADSP_SC594_CLK_CGU1_DCLK 35 +#define ADSP_SC594_CLK_CGU1_SCLK1 36 +#define ADSP_SC594_CLK_CGU1_SCLK0 37 +#define ADSP_SC594_CLK_SHARC0_SEL 38 +#define ADSP_SC594_CLK_SHARC1_SEL 39 +#define ADSP_SC594_CLK_ARM_SEL 40 +#define ADSP_SC594_CLK_CDU_DDR_SEL 41 +#define ADSP_SC594_CLK_CAN_SEL 42 +#define ADSP_SC594_CLK_SPDIF_SEL 43 +#define ADSP_SC594_CLK_RESERVED_SEL 44 +#define ADSP_SC594_CLK_GIGE_SEL 45 +#define ADSP_SC594_CLK_LP_SEL 46 +#define ADSP_SC594_CLK_LPDDR_SEL 47 +#define ADSP_SC594_CLK_OSPI_SEL 48 +#define ADSP_SC594_CLK_TRACE_SEL 49 +#define ADSP_SC594_CLK_SHARC0 50 +#define ADSP_SC594_CLK_SHARC1 51 +#define ADSP_SC594_CLK_ARM 52 +#define ADSP_SC594_CLK_CDU_DDR 53 +#define ADSP_SC594_CLK_CAN 54 +#define ADSP_SC594_CLK_SPDIF 55 +#define ADSP_SC594_CLK_SPI 56 +#define ADSP_SC594_CLK_GIGE 57 +#define ADSP_SC594_CLK_LP 58 +#define ADSP_SC594_CLK_LPDDR 59 +#define ADSP_SC594_CLK_OSPI 60 +#define ADSP_SC594_CLK_TRACE 61 +#define ADSP_SC594_CLK_END 62 + +//ADSP-SC598 +#define ADSP_SC598_CLK_DUMMY 0 +#define ADSP_SC598_CLK_SYS_CLKIN0 1 +#define ADSP_SC598_CLK_SYS_CLKIN1 2 +#define ADSP_SC598_CLK_CGU0_PLL_IN 3 +#define ADSP_SC598_CLK_CGU0_VCO_OUT 4 +#define ADSP_SC598_CLK_CGU0_PLLCLK 5 +#define ADSP_SC598_CLK_CGU1_IN 6 +#define ADSP_SC598_CLK_CGU1_PLL_IN 7 +#define ADSP_SC598_CLK_CGU1_VCO_OUT 8 +#define ADSP_SC598_CLK_CGU1_PLLCLK 9 +#define ADSP_SC598_CLK_CGU0_CDIV 10 +#define ADSP_SC598_CLK_CGU0_SYSCLK 11 +#define ADSP_SC598_CLK_CGU0_DDIV 12 +#define ADSP_SC598_CLK_CGU0_ODIV 13 +#define ADSP_SC598_CLK_CGU0_S0SELDIV 14 +#define ADSP_SC598_CLK_CGU0_S1SELDIV 15 +#define ADSP_SC598_CLK_CGU0_S1SELEXDIV 16 +#define ADSP_SC598_CLK_CGU0_S1SEL 17 +#define ADSP_SC598_CLK_CGU1_CDIV 18 +#define ADSP_SC598_CLK_CGU1_SYSCLK 19 +#define ADSP_SC598_CLK_CGU1_DDIV 20 +#define ADSP_SC598_CLK_CGU1_ODIV 21 +#define ADSP_SC598_CLK_CGU1_S0SELDIV 22 +#define ADSP_SC598_CLK_CGU1_S1SELDIV 23 +#define ADSP_SC598_CLK_CGU1_S0SELEXDIV 24 +#define ADSP_SC598_CLK_CGU1_S1SELEXDIV 25 +#define ADSP_SC598_CLK_CGU1_S0SEL 26 +#define ADSP_SC598_CLK_CGU1_S1SEL 27 +#define ADSP_SC598_CLK_CGU0_CCLK2 28 +#define ADSP_SC598_CLK_CGU0_CCLK0 29 +#define ADSP_SC598_CLK_CGU0_OCLK 30 +#define ADSP_SC598_CLK_CGU0_DCLK 31 +#define ADSP_SC598_CLK_CGU0_SCLK1 32 +#define ADSP_SC598_CLK_CGU0_SCLK0 33 +#define ADSP_SC598_CLK_CGU1_CCLK0 34 +#define ADSP_SC598_CLK_CGU1_OCLK 35 +#define ADSP_SC598_CLK_CGU1_DCLK 36 +#define ADSP_SC598_CLK_CGU1_SCLK1 37 +#define ADSP_SC598_CLK_CGU1_SCLK0 38 +#define ADSP_SC598_CLK_CGU1_CCLK2 39 +#define ADSP_SC598_CLK_DCLK0_HALF 40 +#define ADSP_SC598_CLK_DCLK1_HALF 41 +#define ADSP_SC598_CLK_CGU1_SCLK1_HALF 42 +#define ADSP_SC598_CLK_SHARC0_SEL 43 +#define ADSP_SC598_CLK_SHARC1_SEL 44 +#define ADSP_SC598_CLK_ARM_SEL 45 +#define ADSP_SC598_CLK_CDU_DDR_SEL 46 +#define ADSP_SC598_CLK_CAN_SEL 47 +#define ADSP_SC598_CLK_SPDIF_SEL 48 +#define ADSP_SC598_CLK_SPI_SEL 49 +#define ADSP_SC598_CLK_GIGE_SEL 50 +#define ADSP_SC598_CLK_LP_SEL 51 +#define ADSP_SC598_CLK_LP_DDR_SEL 52 +#define ADSP_SC598_CLK_OSPI_REFCLK_SEL 53 +#define ADSP_SC598_CLK_TRACE_SEL 54 +#define ADSP_SC598_CLK_EMMC_SEL 55 +#define ADSP_SC598_CLK_EMMC_TIMER_QMC_SEL 56 +#define ADSP_SC598_CLK_SHARC0 57 +#define ADSP_SC598_CLK_SHARC1 58 +#define ADSP_SC598_CLK_ARM 59 +#define ADSP_SC598_CLK_CDU_DDR 60 +#define ADSP_SC598_CLK_CAN 61 +#define ADSP_SC598_CLK_SPDIF 62 +#define ADSP_SC598_CLK_SPI 63 +#define ADSP_SC598_CLK_GIGE 64 +#define ADSP_SC598_CLK_LP 65 +#define ADSP_SC598_CLK_LP_DDR 66 +#define ADSP_SC598_CLK_OSPI_REFCLK 67 +#define ADSP_SC598_CLK_TRACE 68 +#define ADSP_SC598_CLK_EMMC 69 +#define ADSP_SC598_CLK_EMMC_TIMER_QMC 70 +#define ADSP_SC598_CLK_3PLL_PLL_IN 71 +#define ADSP_SC598_CLK_3PLL_VCO_OUT 72 +#define ADSP_SC598_CLK_3PLL_PLLCLK 73 +#define ADSP_SC598_CLK_3PLL_DDIV 74 +#define ADSP_SC598_CLK_DDR 75 +#define ADSP_SC598_CLK_END 76 + +//ADSP-SC58X +#define ADSP_SC58X_CLK_DUMMY 0 +#define ADSP_SC58X_CLK_SYS_CLKIN0 1 +#define ADSP_SC58X_CLK_SYS_CLKIN1 2 +#define ADSP_SC58X_CLK_CGU0_PLL_IN 3 +#define ADSP_SC58X_CLK_CGU0_VCO_OUT 4 +#define ADSP_SC58X_CLK_CGU0_PLLCLK 5 +#define ADSP_SC58X_CLK_CGU1_IN 6 +#define ADSP_SC58X_CLK_CGU1_PLL_IN 7 +#define ADSP_SC58X_CLK_CGU1_VCO_OUT 8 +#define ADSP_SC58X_CLK_CGU1_PLLCLK 9 +#define ADSP_SC58X_CLK_CGU0_CDIV 10 +#define ADSP_SC58X_CLK_CGU0_SYSCLK 11 +#define ADSP_SC58X_CLK_CGU0_DDIV 12 +#define ADSP_SC58X_CLK_CGU0_ODIV 13 +#define ADSP_SC58X_CLK_CGU0_S0SELDIV 14 +#define ADSP_SC58X_CLK_CGU0_S1SELDIV 15 +#define ADSP_SC58X_CLK_CGU1_CDIV 16 +#define ADSP_SC58X_CLK_CGU1_SYSCLK 17 +#define ADSP_SC58X_CLK_CGU1_DDIV 18 +#define ADSP_SC58X_CLK_CGU1_ODIV 19 +#define ADSP_SC58X_CLK_CGU1_S0SELDIV 20 +#define ADSP_SC58X_CLK_CGU1_S1SELDIV 21 +#define ADSP_SC58X_CLK_CGU0_CCLK0 22 +#define ADSP_SC58X_CLK_CGU0_CCLK1 23 +#define ADSP_SC58X_CLK_CGU0_OCLK 24 +#define ADSP_SC58X_CLK_CGU0_DCLK 25 +#define ADSP_SC58X_CLK_CGU0_SCLK1 26 +#define ADSP_SC58X_CLK_CGU0_SCLK0 27 +#define ADSP_SC58X_CLK_CGU1_CCLK0 28 +#define ADSP_SC58X_CLK_CGU1_CCLK1 29 +#define ADSP_SC58X_CLK_CGU1_OCLK 30 +#define ADSP_SC58X_CLK_CGU1_DCLK 31 +#define ADSP_SC58X_CLK_CGU1_SCLK1 32 +#define ADSP_SC58X_CLK_CGU1_SCLK0 33 +#define ADSP_SC58X_CLK_OCLK0_HALF 34 +#define ADSP_SC58X_CLK_CCLK1_1_HALF 35 +#define ADSP_SC58X_CLK_SHARC0_SEL 36 +#define ADSP_SC58X_CLK_SHARC1_SEL 37 +#define ADSP_SC58X_CLK_ARM_SEL 38 +#define ADSP_SC58X_CLK_CDU_DDR_SEL 39 +#define ADSP_SC58X_CLK_CAN_SEL 40 +#define ADSP_SC58X_CLK_SPDIF_SEL 41 +#define ADSP_SC58X_CLK_RESERVED_SEL 42 +#define ADSP_SC58X_CLK_GIGE_SEL 43 +#define ADSP_SC58X_CLK_LP_SEL 44 +#define ADSP_SC58X_CLK_SDIO_SEL 45 +#define ADSP_SC58X_CLK_SHARC0 46 +#define ADSP_SC58X_CLK_SHARC1 47 +#define ADSP_SC58X_CLK_ARM 48 +#define ADSP_SC58X_CLK_CDU_DDR 49 +#define ADSP_SC58X_CLK_CAN 50 +#define ADSP_SC58X_CLK_SPDIF 51 +#define ADSP_SC58X_CLK_RESERVED 52 +#define ADSP_SC58X_CLK_GIGE 53 +#define ADSP_SC58X_CLK_LP 54 +#define ADSP_SC58X_CLK_SDIO 55 +#define ADSP_SC58X_CLK_END 56 + +//ADSP-SC57X +#define ADSP_SC57X_CLK_DUMMY 0 +#define ADSP_SC57X_CLK_SYS_CLKIN0 1 +#define ADSP_SC57X_CLK_SYS_CLKIN1 2 +#define ADSP_SC57X_CLK_CGU0_PLL_IN 3 +#define ADSP_SC57X_CLK_CGU0_PLLCLK 4 +#define ADSP_SC57X_CLK_CGU1_IN 5 +#define ADSP_SC57X_CLK_CGU1_PLL_IN 6 +#define ADSP_SC57X_CLK_CGU1_PLLCLK 7 +#define ADSP_SC57X_CLK_CGU0_CDIV 8 +#define ADSP_SC57X_CLK_CGU0_SYSCLK 9 +#define ADSP_SC57X_CLK_CGU0_DDIV 10 +#define ADSP_SC57X_CLK_CGU0_ODIV 11 +#define ADSP_SC57X_CLK_CGU0_S0SELDIV 12 +#define ADSP_SC57X_CLK_CGU0_S1SELDIV 13 +#define ADSP_SC57X_CLK_CGU1_CDIV 14 +#define ADSP_SC57X_CLK_CGU1_SYSCLK 15 +#define ADSP_SC57X_CLK_CGU1_DDIV 16 +#define ADSP_SC57X_CLK_CGU1_ODIV 17 +#define ADSP_SC57X_CLK_CGU1_S0SELDIV 18 +#define ADSP_SC57X_CLK_CGU1_S1SELDIV 19 +#define ADSP_SC57X_CLK_CGU0_CCLK0 20 +#define ADSP_SC57X_CLK_CGU0_CCLK1 21 +#define ADSP_SC57X_CLK_CGU0_OCLK 22 +#define ADSP_SC57X_CLK_CGU0_DCLK 23 +#define ADSP_SC57X_CLK_CGU0_SCLK1 24 +#define ADSP_SC57X_CLK_CGU0_SCLK0 25 +#define ADSP_SC57X_CLK_CGU1_CCLK0 26 +#define ADSP_SC57X_CLK_CGU1_CCLK1 27 +#define ADSP_SC57X_CLK_CGU1_OCLK 28 +#define ADSP_SC57X_CLK_CGU1_DCLK 29 +#define ADSP_SC57X_CLK_CGU1_SCLK1 30 +#define ADSP_SC57X_CLK_CGU1_SCLK0 31 +#define ADSP_SC57X_CLK_OCLK0_HALF 32 +#define ADSP_SC57X_CLK_CCLK1_1_HALF 33 +#define ADSP_SC57X_CLK_SHARC0_SEL 34 +#define ADSP_SC57X_CLK_SHARC1_SEL 35 +#define ADSP_SC57X_CLK_ARM_SEL 36 +#define ADSP_SC57X_CLK_CDU_DDR_SEL 37 +#define ADSP_SC57X_CLK_CAN_SEL 38 +#define ADSP_SC57X_CLK_SPDIF_SEL 39 +#define ADSP_SC57X_CLK_GIGE_SEL 40 +#define ADSP_SC57X_CLK_SDIO_SEL 41 +#define ADSP_SC57X_CLK_SHARC0 42 +#define ADSP_SC57X_CLK_SHARC1 43 +#define ADSP_SC57X_CLK_ARM 44 +#define ADSP_SC57X_CLK_CDU_DDR 45 +#define ADSP_SC57X_CLK_CAN 46 +#define ADSP_SC57X_CLK_SPDIF 47 +#define ADSP_SC57X_CLK_GIGE 48 +#define ADSP_SC57X_CLK_SDIO 49 +#define ADSP_SC57X_CLK_END 50 + +#endif