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a=openpgp; fpr=C2AA8C45CC4BE5C66D176A5512B64BBC42D04103 X-Rspamd-UID: 18cebf X-Rspamd-UID: c86084 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 Add clock, reset and power domain driver for SM8150. Driver code is based on the similar U-Boot drivers. All constants are taken from the corresponding Linux driver. This driver supports clock rate setting only debug UART, RGMII/Ethernet modules and USB controller. Co-authored-by: Volodymyr Babchuk Signed-off-by: Julius Lehmann Reviewed-by: Caleb Connolly --- drivers/clk/qcom/Kconfig | 9 ++ drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/clock-sm8150.c | 300 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 310 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 0d2c0ac225..d76fca5dba 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -63,12 +63,21 @@ config CLK_QCOM_SM6115 on the Snapdragon SM6115 SoC. This driver supports the clocks and resets exposed by the GCC hardware block. +config CLK_QCOM_SM8150 + bool "Qualcomm SM8150 GCC" + select CLK_QCOM + help + Say Y here to enable support for the Global Clock Controller + on the Snapdragon 8150 SoC. This driver supports the clocks + and resets exposed by the GCC hardware block. + config CLK_QCOM_SM8250 bool "Qualcomm SM8250 GCC" select CLK_QCOM help Say Y here to enable support for the Global Clock Controller on the Snapdragon SM8250 SoC. This driver supports the clocks + and resets exposed by the GCC hardware block. config CLK_QCOM_SM8550 bool "Qualcomm SM8550 GCC" diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index e223c131ee..c47b9f6f78 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -14,3 +14,4 @@ obj-$(CONFIG_CLK_QCOM_SM6115) += clock-sm6115.o obj-$(CONFIG_CLK_QCOM_SM8250) += clock-sm8250.o obj-$(CONFIG_CLK_QCOM_SM8550) += clock-sm8550.o obj-$(CONFIG_CLK_QCOM_SM8650) += clock-sm8650.o +obj-$(CONFIG_CLK_QCOM_SM8150) += clock-sm8150.o diff --git a/drivers/clk/qcom/clock-sm8150.c b/drivers/clk/qcom/clock-sm8150.c new file mode 100644 index 0000000000..74e75c86a1 --- /dev/null +++ b/drivers/clk/qcom/clock-sm8150.c @@ -0,0 +1,300 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Clock drivers for Qualcomm SM8150 + * + * Volodymyr Babchuk + * Copyright (c) 2024 EPAM Systems. + * + * (C) Copyright 2024 Julius Lehmann + * + * Based on U-Boot driver for SM8250. Constants are taken from the Linux driver. + */ + +#include +#include +#include +#include +#include +#include + +#include "clock-qcom.h" + +#define EMAC_RGMII_CLK_CMD_RCGR 0x601c +#define QUPV3_WRAP0_S0_CLK_CMD_RCGR 0x18148 +#define USB30_PRIM_MASTER_CLK_CMD_RCGR 0xf01c +#define USB30_PRIM_MOCK_UTMI_CLK_CMD_RCGR 0xf034 +#define USB30_PRIM_PHY_AUX_CLK_CMD_RCGR 0xf060 +#define USB30_SEC_MASTER_CLK_CMD_RCGR 0x1001c +#define USB30_SEC_MOCK_UTMI_CLK_CMD_RCGR 0x10034 +#define USB30_SEC_PHY_AUX_CLK_CMD_RCGR 0x10060 + +static struct pll_vote_clk gpll7_vote_clk = { + .status = 0x1a000, + .status_bit = BIT(31), + .ena_vote = 0x52000, + .vote_bit = BIT(7), +}; + +static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = { + F(7372800, CFG_CLK_SRC_GPLL0_EVEN, 1, 384, 15625), + F(14745600, CFG_CLK_SRC_GPLL0_EVEN, 1, 768, 15625), + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + F(29491200, CFG_CLK_SRC_GPLL0_EVEN, 1, 1536, 15625), + F(32000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 8, 75), + F(48000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 4, 25), + F(64000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 16, 75), + F(80000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 4, 15), + F(96000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 8, 25), + F(100000000, CFG_CLK_SRC_GPLL0_EVEN, 3, 0, 0), + F(102400000, CFG_CLK_SRC_GPLL0_EVEN, 1, 128, 375), + F(112000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 28, 75), + F(117964800, CFG_CLK_SRC_GPLL0_EVEN, 1, 6144, 15625), + F(120000000, CFG_CLK_SRC_GPLL0_EVEN, 2.5, 0, 0), + F(128000000, CFG_CLK_SRC_GPLL0, 1, 16, 75), + { } +}; + +static const struct freq_tbl ftbl_gcc_emac_rgmii_clk_src[] = { + F(2500000, CFG_CLK_SRC_CXO, 1, 25, 192), + F(5000000, CFG_CLK_SRC_CXO, 1, 25, 96), + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + F(25000000, CFG_CLK_SRC_GPLL0_EVEN, 12, 0, 0), + F(50000000, CFG_CLK_SRC_GPLL0_EVEN, 6, 0, 0), + F(125000000, CFG_CLK_SRC_GPLL7, 4, 0, 0), + F(250000000, CFG_CLK_SRC_GPLL7, 2, 0, 0), + { } +}; + +static const struct freq_tbl ftbl_gcc_usb30_prim_master_clk_src[] = { + F(33333333, CFG_CLK_SRC_GPLL0_EVEN, 9, 0, 0), + F(66666667, CFG_CLK_SRC_GPLL0_EVEN, 4.5, 0, 0), + F(133333333, CFG_CLK_SRC_GPLL0, 4.5, 0, 0), + F(200000000, CFG_CLK_SRC_GPLL0, 3, 0, 0), + F(240000000, CFG_CLK_SRC_GPLL0, 2.5, 0, 0), + { } +}; + +static const struct freq_tbl ftbl_gcc_usb30_prim_mock_utmi_clk_src[] = { + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + F(20000000, CFG_CLK_SRC_GPLL0_EVEN, 15, 0, 0), + F(60000000, CFG_CLK_SRC_GPLL0_EVEN, 5, 0, 0), + { } +}; + +static ulong sm8150_clk_set_rate(struct clk *clk, ulong rate) +{ + struct msm_clk_priv *priv = dev_get_priv(clk->dev); + const struct freq_tbl *freq; + + switch (clk->id) { + case GCC_QUPV3_WRAP1_S4_CLK: /* UART2 aka debug-uart */ + freq = qcom_find_freq(ftbl_gcc_qupv3_wrap0_s0_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, QUPV3_WRAP0_S0_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 16); + return freq->freq; + case GCC_EMAC_RGMII_CLK: + freq = qcom_find_freq(ftbl_gcc_emac_rgmii_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, EMAC_RGMII_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 8); + return freq->freq; + case GCC_USB30_PRIM_MASTER_CLK: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_master_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_MASTER_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 8); + return freq->freq; + case GCC_USB30_PRIM_MOCK_UTMI_CLK: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_mock_utmi_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_MOCK_UTMI_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 0); + return freq->freq; + case GCC_USB3_PRIM_PHY_AUX_CLK_SRC: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_mock_utmi_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_PHY_AUX_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 0); + return freq->freq; + case GCC_USB30_SEC_MASTER_CLK: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_master_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_SEC_MASTER_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 8); + return freq->freq; + case GCC_USB30_SEC_MOCK_UTMI_CLK: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_mock_utmi_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_SEC_MOCK_UTMI_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 0); + return freq->freq; + case GCC_USB3_SEC_PHY_AUX_CLK_SRC: + freq = qcom_find_freq(ftbl_gcc_usb30_prim_mock_utmi_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, USB30_SEC_PHY_AUX_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 0); + return freq->freq; + default: + return 0; + } +} + +static const struct gate_clk sm8150_clks[] = { + GATE_CLK(GCC_AGGRE_USB3_PRIM_AXI_CLK, 0xf07c, 0x00000001), + GATE_CLK(GCC_AGGRE_USB3_SEC_AXI_CLK, 0x1007c, 0x00000001), + GATE_CLK(GCC_CFG_NOC_USB3_PRIM_AXI_CLK, 0xf078, 0x00000001), + GATE_CLK(GCC_CFG_NOC_USB3_SEC_AXI_CLK, 0x10078, 0x00000001), + GATE_CLK(GCC_QUPV3_WRAP0_S0_CLK, 0x5200c, 0x00000400), + GATE_CLK(GCC_QUPV3_WRAP0_S1_CLK, 0x5200c, 0x00000800), + GATE_CLK(GCC_QUPV3_WRAP0_S2_CLK, 0x5200c, 0x00001000), + GATE_CLK(GCC_QUPV3_WRAP0_S3_CLK, 0x5200c, 0x00002000), + GATE_CLK(GCC_QUPV3_WRAP0_S4_CLK, 0x5200c, 0x00004000), + GATE_CLK(GCC_QUPV3_WRAP0_S5_CLK, 0x5200c, 0x00008000), + GATE_CLK(GCC_QUPV3_WRAP1_S0_CLK, 0x5200c, 0x00400000), + GATE_CLK(GCC_QUPV3_WRAP1_S1_CLK, 0x5200c, 0x00800000), + GATE_CLK(GCC_QUPV3_WRAP1_S3_CLK, 0x5200c, 0x02000000), + GATE_CLK(GCC_QUPV3_WRAP1_S4_CLK, 0x5200c, 0x04000000), + GATE_CLK(GCC_QUPV3_WRAP1_S5_CLK, 0x5200c, 0x08000000), + GATE_CLK(GCC_QUPV3_WRAP_0_M_AHB_CLK, 0x5200c, 0x00000040), + GATE_CLK(GCC_QUPV3_WRAP_0_S_AHB_CLK, 0x5200c, 0x00000080), + GATE_CLK(GCC_QUPV3_WRAP_1_M_AHB_CLK, 0x5200c, 0x00100000), + GATE_CLK(GCC_QUPV3_WRAP_1_S_AHB_CLK, 0x5200c, 0x00200000), + GATE_CLK(GCC_SDCC2_AHB_CLK, 0x14008, 0x00000001), + GATE_CLK(GCC_SDCC2_APPS_CLK, 0x14004, 0x00000001), + GATE_CLK(GCC_SDCC4_AHB_CLK, 0x16008, 0x00000001), + GATE_CLK(GCC_SDCC4_APPS_CLK, 0x16004, 0x00000001), + GATE_CLK(GCC_UFS_CARD_AHB_CLK, 0x75010, 0x00000001), + GATE_CLK(GCC_UFS_CARD_AXI_CLK, 0x7500c, 0x00000001), + GATE_CLK(GCC_UFS_CARD_CLKREF_CLK, 0x8c004, 0x00000001), + GATE_CLK(GCC_UFS_CARD_ICE_CORE_CLK, 0x75058, 0x00000001), + GATE_CLK(GCC_UFS_CARD_PHY_AUX_CLK, 0x7508c, 0x00000001), + GATE_CLK(GCC_UFS_CARD_RX_SYMBOL_0_CLK, 0x75018, 0x00000001), + GATE_CLK(GCC_UFS_CARD_RX_SYMBOL_1_CLK, 0x750a8, 0x00000001), + GATE_CLK(GCC_UFS_CARD_TX_SYMBOL_0_CLK, 0x75014, 0x00000001), + GATE_CLK(GCC_UFS_CARD_UNIPRO_CORE_CLK, 0x75054, 0x00000001), + GATE_CLK(GCC_UFS_MEM_CLKREF_CLK, 0x8c000, 0x00000001), + GATE_CLK(GCC_UFS_PHY_AHB_CLK, 0x77010, 0x00000001), + GATE_CLK(GCC_UFS_PHY_AXI_CLK, 0x7700c, 0x00000001), + GATE_CLK(GCC_UFS_PHY_ICE_CORE_CLK, 0x77058, 0x00000001), + GATE_CLK(GCC_UFS_PHY_PHY_AUX_CLK, 0x7708c, 0x00000001), + GATE_CLK(GCC_UFS_PHY_RX_SYMBOL_0_CLK, 0x77018, 0x00000001), + GATE_CLK(GCC_UFS_PHY_RX_SYMBOL_1_CLK, 0x770a8, 0x00000001), + GATE_CLK(GCC_UFS_PHY_TX_SYMBOL_0_CLK, 0x77014, 0x00000001), + GATE_CLK(GCC_UFS_PHY_UNIPRO_CORE_CLK, 0x77054, 0x00000001), + GATE_CLK(GCC_USB30_PRIM_MASTER_CLK, 0x0f00c, 0x00000001), + GATE_CLK(GCC_USB30_PRIM_MOCK_UTMI_CLK, 0x0f014, 0x00000001), + GATE_CLK(GCC_USB30_PRIM_SLEEP_CLK, 0x0f010, 0x00000001), + GATE_CLK(GCC_USB30_SEC_MASTER_CLK, 0x1000c, 0x00000001), + GATE_CLK(GCC_USB30_SEC_MOCK_UTMI_CLK, 0x10014, 0x00000001), + GATE_CLK(GCC_USB30_SEC_SLEEP_CLK, 0x10010, 0x00000001), + GATE_CLK(GCC_USB3_PRIM_CLKREF_CLK, 0x8c008, 0x00000001), + GATE_CLK(GCC_USB3_PRIM_PHY_AUX_CLK, 0x0f04c, 0x00000001), + GATE_CLK(GCC_USB3_PRIM_PHY_COM_AUX_CLK, 0x0f050, 0x00000001), + GATE_CLK(GCC_USB3_PRIM_PHY_PIPE_CLK, 0x0f054, 0x00000001), + GATE_CLK(GCC_USB3_SEC_CLKREF_CLK, 0x8c028, 0x00000001), + GATE_CLK(GCC_USB3_SEC_PHY_AUX_CLK, 0x1004c, 0x00000001), + GATE_CLK(GCC_USB3_SEC_PHY_PIPE_CLK, 0x10054, 0x00000001), + GATE_CLK(GCC_USB3_SEC_PHY_COM_AUX_CLK, 0x10050, 0x00000001), + GATE_CLK(GCC_EMAC_AXI_CLK, 0x06010, 0x00000001), + GATE_CLK(GCC_EMAC_SLV_AHB_CLK, 0x06014, 0x00000001), + GATE_CLK(GCC_EMAC_PTP_CLK, 0x06034, 0x00000001), + GATE_CLK(GCC_EMAC_RGMII_CLK, 0x06018, 0x00000001), +}; + +static int sm8150_clk_enable(struct clk *clk) +{ + struct msm_clk_priv *priv = dev_get_priv(clk->dev); + + if (priv->data->num_clks < clk->id) { + debug("%s: unknown clk id %lu\n", __func__, clk->id); + return 0; + } + + debug("%s: clk %s\n", __func__, sm8150_clks[clk->id].name); + + switch (clk->id) { + case GCC_EMAC_RGMII_CLK: + clk_enable_gpll0(priv->base, &gpll7_vote_clk); + case GCC_AGGRE_USB3_PRIM_AXI_CLK: + qcom_gate_clk_en(priv, GCC_USB30_PRIM_MASTER_CLK); + fallthrough; + case GCC_USB30_PRIM_MASTER_CLK: + qcom_gate_clk_en(priv, GCC_USB3_PRIM_PHY_AUX_CLK); + qcom_gate_clk_en(priv, GCC_USB3_PRIM_PHY_COM_AUX_CLK); + break; + case GCC_AGGRE_USB3_SEC_AXI_CLK: + qcom_gate_clk_en(priv, GCC_USB30_SEC_MASTER_CLK); + fallthrough; + case GCC_USB30_SEC_MASTER_CLK: + qcom_gate_clk_en(priv, GCC_USB3_SEC_PHY_AUX_CLK); + qcom_gate_clk_en(priv, GCC_USB3_SEC_PHY_COM_AUX_CLK); + break; + }; + + qcom_gate_clk_en(priv, clk->id); + + return 0; +} + +static const struct qcom_reset_map sm8150_gcc_resets[] = { + [GCC_EMAC_BCR] = { 0x6000 }, + [GCC_GPU_BCR] = { 0x71000 }, + [GCC_MMSS_BCR] = { 0xb000 }, + [GCC_NPU_BCR] = { 0x4d000 }, + [GCC_PCIE_0_BCR] = { 0x6b000 }, + [GCC_PCIE_0_PHY_BCR] = { 0x6c01c }, + [GCC_PCIE_1_BCR] = { 0x8d000 }, + [GCC_PCIE_1_PHY_BCR] = { 0x8e01c }, + [GCC_PCIE_PHY_BCR] = { 0x6f000 }, + [GCC_PDM_BCR] = { 0x33000 }, + [GCC_PRNG_BCR] = { 0x34000 }, + [GCC_QSPI_BCR] = { 0x24008 }, + [GCC_QUPV3_WRAPPER_0_BCR] = { 0x17000 }, + [GCC_QUPV3_WRAPPER_1_BCR] = { 0x18000 }, + [GCC_QUPV3_WRAPPER_2_BCR] = { 0x1e000 }, + [GCC_QUSB2PHY_PRIM_BCR] = { 0x12000 }, + [GCC_QUSB2PHY_SEC_BCR] = { 0x12004 }, + [GCC_USB3_PHY_PRIM_BCR] = { 0x50000 }, + [GCC_USB3_DP_PHY_PRIM_BCR] = { 0x50008 }, + [GCC_USB3_PHY_SEC_BCR] = { 0x5000c }, + [GCC_USB3PHY_PHY_SEC_BCR] = { 0x50010 }, + [GCC_SDCC2_BCR] = { 0x14000 }, + [GCC_SDCC4_BCR] = { 0x16000 }, + [GCC_TSIF_BCR] = { 0x36000 }, + [GCC_UFS_CARD_BCR] = { 0x75000 }, + [GCC_UFS_PHY_BCR] = { 0x77000 }, + [GCC_USB30_PRIM_BCR] = { 0xf000 }, + [GCC_USB30_SEC_BCR] = { 0x10000 }, + [GCC_USB_PHY_CFG_AHB2PHY_BCR] = { 0x6a000 }, +}; + +static const struct qcom_power_map sm8150_gcc_power_domains[] = { + [EMAC_GDSC] = { 0x6004 }, + [PCIE_0_GDSC] = { 0x6b004 }, + [PCIE_1_GDSC] = { 0x8d004 }, + [UFS_CARD_GDSC] = { 0x75004 }, + [UFS_PHY_GDSC] = { 0x77004 }, + [USB30_PRIM_GDSC] = { 0xf004 }, + [USB30_SEC_GDSC] = { 0x10004 }, +}; + +static struct msm_clk_data sm8150_clk_data = { + .resets = sm8150_gcc_resets, + .num_resets = ARRAY_SIZE(sm8150_gcc_resets), + .clks = sm8150_clks, + .num_clks = ARRAY_SIZE(sm8150_clks), + .power_domains = sm8150_gcc_power_domains, + .num_power_domains = ARRAY_SIZE(sm8150_gcc_power_domains), + + .enable = sm8150_clk_enable, + .set_rate = sm8150_clk_set_rate, +}; + +static const struct udevice_id gcc_sm8150_of_match[] = { + { + .compatible = "qcom,gcc-sm8150", + .data = (ulong)&sm8150_clk_data, + }, + { } +}; + +U_BOOT_DRIVER(gcc_sm8150) = { + .name = "gcc_sm8150", + .id = UCLASS_NOP, + .of_match = gcc_sm8150_of_match, + .bind = qcom_cc_bind, + .flags = DM_FLAG_PRE_RELOC, +};