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Tue, 26 Mar 2024 15:29:59 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.29.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:29:58 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 01/13] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Remove the check from the object Date: Tue, 26 Mar 2024 22:28:32 +0000 Message-Id: <20240326222844.1422948-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Drop the bogus check from object as this didn't really add restriction check. Signed-off-by: Lad Prabhakar Reviewed-by: Rob Herring --- .../bindings/pinctrl/renesas,rzg2l-pinctrl.yaml | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml index 4d5a957fa232..881e992adca3 100644 --- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml @@ -79,21 +79,6 @@ additionalProperties: - $ref: pincfg-node.yaml# - $ref: pinmux-node.yaml# - - if: - properties: - compatible: - contains: - enum: - - renesas,r9a08g045-pinctrl - then: - properties: - drive-strength: false - output-impedance-ohms: false - slew-rate: false - else: - properties: - drive-strength-microamp: false - description: Pin controller client devices use pin configuration subnodes (children and grandchildren) for desired pin configuration. 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Tue, 26 Mar 2024 15:30:00 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.29.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:29:59 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 02/13] dt-bindings: pinctrl: renesas: Document RZ/V2H(P) SoC Date: Tue, 26 Mar 2024 22:28:33 +0000 Message-Id: <20240326222844.1422948-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Add documentation for the pin controller found on the Renesas RZ/V2H(P) (R9A09G057) SoC. Compared to RZ/G2L family of SoCs there are slight differences on the RZ/V2H(P) SoC for pinmuxing. Also add 'renesas-rzv2h,output-impedance' property. Drive strength setting on RZ/V2H(P) depends on the different power rails which are coming out from the PMIC (connected via i2c). These power rails (required for drive strength) can be 1.2/1.8/3.3V. Pin are grouped into 4 groups, Group1: Impedance - 150/75/38/25 ohms (at 3.3 V) - 130/65/33/22 ohms (at 1.8 V) Group2: Impedance - 50/40/33/25 ohms (at 1.8 V) Group3: Impedance - 150/75/37.5/25 ohms (at 3.3 V) - 130/65/33/22 ohms (at 1.8 V) Group4: Impedance - 110/55/30/20 ohms (at 1.8 V) - 150/75/38/25 ohms (at 1.2 V) 'renesas-rzv2h,output-impedance' property as documented which can be [1, 2, 4, 6] indicates x Value strength. As the power rail information cannot be available very early in the boot process as 'renesas-rzv2h,output-impedance' property is added instead of reusing output-impedance-ohms property. Signed-off-by: Lad Prabhakar --- .../pinctrl/renesas,rzg2l-pinctrl.yaml | 22 +++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml index 881e992adca3..77f4fc7f4a21 100644 --- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml @@ -26,6 +26,7 @@ properties: - renesas,r9a07g043-pinctrl # RZ/G2UL{Type-1,Type-2} and RZ/Five - renesas,r9a07g044-pinctrl # RZ/G2{L,LC} - renesas,r9a08g045-pinctrl # RZ/G3S + - renesas,r9a09g057-pinctrl # RZ/V2H(P) - items: - enum: @@ -66,10 +67,14 @@ properties: maxItems: 1 resets: - items: - - description: GPIO_RSTN signal - - description: GPIO_PORT_RESETN signal - - description: GPIO_SPARE_RESETN signal + oneOf: + - items: + - description: GPIO_RSTN signal + - description: GPIO_PORT_RESETN signal + - description: GPIO_SPARE_RESETN signal + - items: + - description: PFC main reset + - description: Reset for the control register related to WDTUDFCA and WDTUDFFCM pins additionalProperties: anyOf: @@ -111,6 +116,15 @@ additionalProperties: output-high: true output-low: true line-name: true + renesas-rzv2h,output-impedance: + description: | + Output impedance for pins on RZ/V2H(P) SoC. + x1: Corresponds to 0 in IOLH register. + x2: Corresponds to 1 in IOLH register. + x4: Corresponds to 2 in IOLH register. + x6: Corresponds to 3 in IOLH register. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 4, 6] - type: object additionalProperties: From patchwork Tue Mar 26 22:28:34 2024 Content-Type: text/plain; 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Tue, 26 Mar 2024 15:30:01 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:01 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 03/13] pinctrl: renesas: pinctrl-rzg2l: Remove extra space in function parameter Date: Tue, 26 Mar 2024 22:28:34 +0000 Message-Id: <20240326222844.1422948-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Remove unnecessary space in rzg2l_pinctrl_pm_setup_pfc() function parameter. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index eb5a8c654260..fccac6d199cd 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -2502,7 +2502,7 @@ static void rzg2l_pinctrl_pm_setup_dedicated_regs(struct rzg2l_pinctrl *pctrl, b } } -static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) +static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) { u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; From patchwork Tue Mar 26 22:28:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1916413 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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To avoid this allocate additional bits for pin configuration by relocating the known fixed bits to the very end of the configuration. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index fccac6d199cd..f2c71462de92 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -78,9 +78,9 @@ PIN_CFG_FILNUM | \ PIN_CFG_FILCLKSEL) -#define PIN_CFG_PIN_MAP_MASK GENMASK_ULL(35, 28) -#define PIN_CFG_PIN_REG_MASK GENMASK(27, 20) -#define PIN_CFG_MASK GENMASK(19, 0) +#define PIN_CFG_PIN_MAP_MASK GENMASK_ULL(62, 55) +#define PIN_CFG_PIN_REG_MASK GENMASK(54, 47) +#define PIN_CFG_MASK GENMASK(46, 0) /* * m indicates the bitmap of supported pins, a is the register index @@ -102,8 +102,8 @@ * (b * 8) and f is the pin configuration capabilities supported. */ #define RZG2L_SINGLE_PIN BIT_ULL(63) -#define RZG2L_SINGLE_PIN_INDEX_MASK GENMASK(30, 24) -#define RZG2L_SINGLE_PIN_BITS_MASK GENMASK(22, 20) +#define RZG2L_SINGLE_PIN_INDEX_MASK GENMASK(62, 56) +#define RZG2L_SINGLE_PIN_BITS_MASK GENMASK(55, 53) #define RZG2L_SINGLE_PIN_PACK(p, b, f) (RZG2L_SINGLE_PIN | \ FIELD_PREP_CONST(RZG2L_SINGLE_PIN_INDEX_MASK, (p)) | \ From patchwork Tue Mar 26 22:28:36 2024 Content-Type: text/plain; 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Tue, 26 Mar 2024 15:30:04 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:03 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 05/13] pinctrl: renesas: pinctrl-rzg2l: Allow parsing of variable configuration for all architectures Date: Tue, 26 Mar 2024 22:28:36 +0000 Message-Id: <20240326222844.1422948-6-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Enable parsing of variable configuration for all architectures. This patch is in preparation for adding support for the RZ/V2H SoC, which utilizes the ARM64 architecture and features port pins with variable configuration. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index f2c71462de92..da3a54b7b06a 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -322,7 +322,6 @@ struct rzg2l_pinctrl { static const u16 available_ps[] = { 1800, 2500, 3300 }; -#ifdef CONFIG_RISCV static u64 rzg2l_pinctrl_get_variable_pin_cfg(struct rzg2l_pinctrl *pctrl, u64 pincfg, unsigned int port, @@ -339,6 +338,7 @@ static u64 rzg2l_pinctrl_get_variable_pin_cfg(struct rzg2l_pinctrl *pctrl, return 0; } +#ifdef CONFIG_RISCV static const struct rzg2l_variable_pin_cfg r9a07g043f_variable_pin_cfg[] = { { .port = 20, @@ -2285,13 +2285,11 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) if (i && !(i % RZG2L_PINS_PER_PORT)) j++; pin_data[i] = pctrl->data->port_pin_configs[j]; -#ifdef CONFIG_RISCV if (pin_data[i] & PIN_CFG_VARIABLE) pin_data[i] = rzg2l_pinctrl_get_variable_pin_cfg(pctrl, pin_data[i], j, i % RZG2L_PINS_PER_PORT); 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Tue, 26 Mar 2024 15:30:05 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:05 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 06/13] pinctrl: renesas: pinctrl-rzg2l: Make cfg to u64 in struct rzg2l_variable_pin_cfg Date: Tue, 26 Mar 2024 22:28:37 +0000 Message-Id: <20240326222844.1422948-7-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Now that we have updated the macro PIN_CFG_MASK to allow for the maximum configuration bits, update the size of 'cfg' to 'u64' in the 'struct rzg2l_variable_pin_cfg'. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index da3a54b7b06a..348fdccaff72 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -241,7 +241,7 @@ struct rzg2l_dedicated_configs { * @pin: port pin */ struct rzg2l_variable_pin_cfg { - u32 cfg:20; + u64 cfg:46; u32 port:5; u32 pin:3; }; From patchwork Tue Mar 26 22:28:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1916416 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=A8eNC/93; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; 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Ensure that the register offsets are valid before any read/write operations are performed. If the power registers are not available, both SD and ETH will be set to -EINVAL. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 348fdccaff72..705372faaeff 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -184,8 +184,8 @@ */ struct rzg2l_register_offsets { u16 pwpr; - u16 sd_ch; - u16 eth_poc; + int sd_ch; + int eth_poc; }; /** @@ -2567,8 +2567,10 @@ static int rzg2l_pinctrl_suspend_noirq(struct device *dev) rzg2l_pinctrl_pm_setup_dedicated_regs(pctrl, true); for (u8 i = 0; i < 2; i++) { - cache->sd_ch[i] = readb(pctrl->base + SD_CH(regs->sd_ch, i)); - cache->eth_poc[i] = readb(pctrl->base + ETH_POC(regs->eth_poc, i)); + if (regs->sd_ch != -EINVAL) + cache->sd_ch[i] = readb(pctrl->base + SD_CH(regs->sd_ch, i)); + if (regs->eth_poc != -EINVAL) + cache->eth_poc[i] = readb(pctrl->base + ETH_POC(regs->eth_poc, i)); } cache->qspi = readb(pctrl->base + QSPI); @@ -2599,8 +2601,10 @@ static int rzg2l_pinctrl_resume_noirq(struct device *dev) writeb(cache->qspi, pctrl->base + QSPI); writeb(cache->eth_mode, pctrl->base + ETH_MODE); for (u8 i = 0; i < 2; i++) { - writeb(cache->sd_ch[i], pctrl->base + SD_CH(regs->sd_ch, i)); - writeb(cache->eth_poc[i], pctrl->base + ETH_POC(regs->eth_poc, i)); + if (regs->sd_ch != -EINVAL) + writeb(cache->sd_ch[i], pctrl->base + SD_CH(regs->sd_ch, i)); + if (regs->eth_poc != -EINVAL) + writeb(cache->eth_poc[i], pctrl->base + ETH_POC(regs->eth_poc, i)); } rzg2l_pinctrl_pm_setup_pfc(pctrl); From patchwork Tue Mar 26 22:28:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1916417 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=l051wszG; 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However, on the RZ/V2H(P) SoC, the PFCWE (REGWE_A on RZ/V2H) bit controls writing to both PFC and PMC registers. To accommodate these differences across SoC variants, introduce set_pfc_mode() and pm_set_pfc() function pointers. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 705372faaeff..4cdebdbd8a04 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -246,6 +246,8 @@ struct rzg2l_variable_pin_cfg { u32 pin:3; }; +struct rzg2l_pinctrl; + struct rzg2l_pinctrl_data { const char * const *port_pins; const u64 *port_pin_configs; @@ -256,6 +258,8 @@ struct rzg2l_pinctrl_data { const struct rzg2l_hwcfg *hwcfg; const struct rzg2l_variable_pin_cfg *variable_pin_cfg; unsigned int n_variable_pin_cfg; + void (*set_pfc_mode)(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func); + void (*pm_set_pfc)(struct rzg2l_pinctrl *pctrl); }; /** @@ -526,7 +530,7 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, dev_dbg(pctrl->dev, "port:%u pin: %u off:%x PSEL:%u\n", RZG2L_PIN_ID_TO_PORT(pins[i]), pin, off, psel_val[i] - hwcfg->func_base); - rzg2l_pinctrl_set_pfc_mode(pctrl, pin, off, psel_val[i] - hwcfg->func_base); + pctrl->data->set_pfc_mode(pctrl, pin, off, psel_val[i] - hwcfg->func_base); } return 0; @@ -2607,7 +2611,7 @@ static int rzg2l_pinctrl_resume_noirq(struct device *dev) writeb(cache->eth_poc[i], pctrl->base + ETH_POC(regs->eth_poc, i)); } - rzg2l_pinctrl_pm_setup_pfc(pctrl); + pctrl->data->pm_set_pfc(pctrl); rzg2l_pinctrl_pm_setup_regs(pctrl, false); rzg2l_pinctrl_pm_setup_dedicated_regs(pctrl, false); rzg2l_gpio_irq_restore(pctrl); @@ -2672,6 +2676,8 @@ static struct rzg2l_pinctrl_data r9a07g043_data = { .variable_pin_cfg = r9a07g043f_variable_pin_cfg, .n_variable_pin_cfg = ARRAY_SIZE(r9a07g043f_variable_pin_cfg), #endif + .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, + .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, }; static struct rzg2l_pinctrl_data r9a07g044_data = { @@ -2683,6 +2689,8 @@ static struct rzg2l_pinctrl_data r9a07g044_data = { .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) + ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins), .hwcfg = &rzg2l_hwcfg, + .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, + .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, }; static struct rzg2l_pinctrl_data r9a08g045_data = { @@ -2693,6 +2701,8 @@ static struct rzg2l_pinctrl_data r9a08g045_data = { .n_port_pins = ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg3s_dedicated_pins), .hwcfg = &rzg3s_hwcfg, + .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, + .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, }; static const struct of_device_id rzg2l_pinctrl_of_table[] = { From patchwork Tue Mar 26 22:28:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1916418 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=VAu4Ayjy; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:45e3:2400::1; 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On the RZ/V2H(P) SoC, unlocking the PWPR.REGWE_A bit before writing to PMC registers is required, whereas this is not the case for the existing RZ/G2L family. This addition enables the reuse of existing code for RZ/V2H(P). Additionally, this patch populates this function pointer with appropriate data for existing SoCs. Note that this functionality is only handled in rzg2l_gpio_request(), as PMC unlock/lock during PFC setup will be taken care of in the set_pfc_mode/pm_set_pfc callbacks. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 4cdebdbd8a04..3de97d5e198a 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -260,6 +260,7 @@ struct rzg2l_pinctrl_data { unsigned int n_variable_pin_cfg; void (*set_pfc_mode)(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func); void (*pm_set_pfc)(struct rzg2l_pinctrl *pctrl); + void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr); }; /** @@ -463,6 +464,11 @@ static const struct rzg2l_variable_pin_cfg r9a07g043f_variable_pin_cfg[] = { }; #endif +static void rzg2l_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr) +{ + writeb(val, addr); +} + static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func) { @@ -1413,7 +1419,7 @@ static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset) /* Select GPIO mode in PMC Register */ reg8 = readb(pctrl->base + PMC(off)); reg8 &= ~BIT(bit); - writeb(reg8, pctrl->base + PMC(off)); + pctrl->data->pmc_writeb(pctrl, reg8, pctrl->base + PMC(off)); spin_unlock_irqrestore(&pctrl->lock, flags); @@ -2678,6 +2684,7 @@ static struct rzg2l_pinctrl_data r9a07g043_data = { #endif .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, + .pmc_writeb = &rzg2l_pmc_writeb, }; static struct rzg2l_pinctrl_data r9a07g044_data = { @@ -2691,6 +2698,7 @@ static struct rzg2l_pinctrl_data r9a07g044_data = { .hwcfg = &rzg2l_hwcfg, .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, + .pmc_writeb = &rzg2l_pmc_writeb, }; static struct rzg2l_pinctrl_data r9a08g045_data = { @@ -2703,6 +2711,7 @@ static struct rzg2l_pinctrl_data r9a08g045_data = { .hwcfg = &rzg3s_hwcfg, .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, + .pmc_writeb = &rzg2l_pmc_writeb, }; static const struct of_device_id rzg2l_pinctrl_of_table[] = { From patchwork Tue Mar 26 22:28:41 2024 Content-Type: text/plain; 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Tue, 26 Mar 2024 15:30:11 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:10 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 10/13] pinctrl: renesas: pinctrl-rzg2l: Add function pointers for reading/writing OEN register Date: Tue, 26 Mar 2024 22:28:41 +0000 Message-Id: <20240326222844.1422948-11-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240326222844.1422948-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar This patch introduces function pointers, read_oen() and write_oen(), in the struct rzg2l_pinctrl_data to facilitate reading and writing to the PFC_OEN register. On the RZ/V2H SoC, unlocking the PWPR.REGWE_B bit before writing to the PFC_OEN register is necessary, and the PFC_OEN register has more bits compared to the RZ/G2L family. To handle these differences between RZ/G2L and RZ/V2H and to reuse the existing code for RZ/V2H, these function pointers are introduced. Additionally, this patch populates these function pointers with appropriate data for existing SoCs. Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 3de97d5e198a..9bc110b00cbb 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -261,6 +261,8 @@ struct rzg2l_pinctrl_data { void (*set_pfc_mode)(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func); void (*pm_set_pfc)(struct rzg2l_pinctrl *pctrl); void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr); + u32 (*read_oen)(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin); + int (*write_oen)(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin, u8 oen); }; /** @@ -1120,7 +1122,7 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT_ENABLE: - arg = rzg2l_read_oen(pctrl, cfg, _pin, bit); + arg = pctrl->data->read_oen(pctrl, cfg, _pin, bit); if (!arg) return -EINVAL; break; @@ -1228,7 +1230,7 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_OUTPUT_ENABLE: arg = pinconf_to_config_argument(_configs[i]); - ret = rzg2l_write_oen(pctrl, cfg, _pin, bit, !!arg); + ret = pctrl->data->write_oen(pctrl, cfg, _pin, bit, !!arg); if (ret) return ret; break; @@ -2685,6 +2687,8 @@ static struct rzg2l_pinctrl_data r9a07g043_data = { .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, .pmc_writeb = &rzg2l_pmc_writeb, + .read_oen = &rzg2l_read_oen, + .write_oen = &rzg2l_write_oen, }; static struct rzg2l_pinctrl_data r9a07g044_data = { @@ -2699,6 +2703,8 @@ static struct rzg2l_pinctrl_data r9a07g044_data = { .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, .pmc_writeb = &rzg2l_pmc_writeb, + .read_oen = &rzg2l_read_oen, + .write_oen = &rzg2l_write_oen, }; static struct rzg2l_pinctrl_data r9a08g045_data = { @@ -2712,6 +2718,8 @@ static struct rzg2l_pinctrl_data r9a08g045_data = { .set_pfc_mode = &rzg2l_pinctrl_set_pfc_mode, .pm_set_pfc = &rzg2l_pinctrl_pm_setup_pfc, .pmc_writeb = &rzg2l_pmc_writeb, + .read_oen = &rzg2l_read_oen, + .write_oen = &rzg2l_write_oen, }; 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Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 9bc110b00cbb..d64a441b4f55 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -611,7 +611,7 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, return -EINVAL; } - ret = pinconf_generic_parse_dt_config(np, NULL, &configs, &num_configs); + ret = pinconf_generic_parse_dt_config(np, pctldev, &configs, &num_configs); if (ret < 0) return ret; From patchwork Tue Mar 26 22:28:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1916421 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; 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Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index d64a441b4f55..6f0c85bb97a8 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -258,6 +258,9 @@ struct rzg2l_pinctrl_data { const struct rzg2l_hwcfg *hwcfg; const struct rzg2l_variable_pin_cfg *variable_pin_cfg; unsigned int n_variable_pin_cfg; + unsigned int num_custom_params; + const struct pinconf_generic_params *custom_params; + const struct pin_config_item *custom_conf_items; void (*set_pfc_mode)(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func); void (*pm_set_pfc)(struct rzg2l_pinctrl *pctrl); void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr); @@ -2278,6 +2281,13 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops; pctrl->desc.confops = &rzg2l_pinctrl_confops; 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Signed-off-by: Lad Prabhakar --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 483 +++++++++++++++++++++++- 1 file changed, 481 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 6f0c85bb97a8..716c11ca5a8f 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -59,6 +59,13 @@ #define PIN_CFG_OEN BIT(15) #define PIN_CFG_VARIABLE BIT(16) #define PIN_CFG_NOGPIO_INT BIT(17) +#define PIN_CFG_OPEN_DRAIN BIT(18) +#define PIN_CFG_SCHMIT_CTRL BIT(19) +#define PIN_CFG_ELC BIT(20) +#define PIN_CFG_IOLH_1 BIT(21) +#define PIN_CFG_IOLH_2 BIT(22) +#define PIN_CFG_IOLH_3 BIT(23) +#define PIN_CFG_IOLH_4 BIT(24) #define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \ (PIN_CFG_IOLH_##group | \ @@ -70,6 +77,10 @@ #define RZG2L_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \ PIN_CFG_SR) +#define RZV2H_MPXED_PIN_FUNCS(group) (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \ + PIN_CFG_OPEN_DRAIN | \ + PIN_CFG_SR) + #define RZG3S_MPXED_PIN_FUNCS(group) (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \ PIN_CFG_SOFT_PS) @@ -133,6 +144,8 @@ #define PWPR_B0WI BIT(7) /* Bit Write Disable */ #define PWPR_PFCWE BIT(6) /* PFC Register Write Enable */ +#define PWPR_REGWE_A BIT(6) /* PFC and PMC Register Write Enable */ +#define PWPR_REGWE_B BIT(5) /* OEN Register Write Enable */ #define PM_MASK 0x03 #define PFC_MASK 0x07 @@ -149,6 +162,19 @@ #define RZG2L_TINT_IRQ_START_INDEX 9 #define RZG2L_PACK_HWIRQ(t, i) (((t) << 16) | (i)) +/* Custom pinconf parameters */ +#define RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE (PIN_CONFIG_END + 1) + +static const struct pinconf_generic_params renesas_rzv2h_custom_bindings[] = { + { "renesas-rzv2h,output-impedance", RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, 1 }, +}; + +#ifdef CONFIG_DEBUG_FS +static const struct pin_config_item renesas_rzv2h_conf_items[] = { + PCONFDUMP(RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, "output-impedance", "x", true), +}; +#endif + /* Read/write 8 bits register */ #define RZG2L_PCTRL_REG_ACCESS8(_read, _addr, _val) \ do { \ @@ -324,6 +350,8 @@ struct rzg2l_pinctrl { spinlock_t lock; /* lock read/write registers */ struct mutex mutex; /* serialize adding groups and functions */ + raw_spinlock_t pwpr_lock; /* serialize PWPR register access */ + struct rzg2l_pinctrl_pin_settings *settings; struct rzg2l_pinctrl_reg_cache *cache; struct rzg2l_pinctrl_reg_cache *dedicated_cache; @@ -348,6 +376,79 @@ static u64 rzg2l_pinctrl_get_variable_pin_cfg(struct rzg2l_pinctrl *pctrl, return 0; } +static const struct rzg2l_variable_pin_cfg r9a09g057_variable_pin_cfg[] = { + { + .port = 9, + .pin = 0, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 1, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 2, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 3, + .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 4, + .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 5, + .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 6, + .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 9, + .pin = 7, + .cfg = RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 11, + .pin = 0, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL, + }, + { + .port = 11, + .pin = 1, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN, + }, + { + .port = 11, + .pin = 2, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN, + }, + { + .port = 11, + .pin = 3, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN, + }, + { + .port = 11, + .pin = 4, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN, + }, + { + .port = 11, + .pin = 5, + .cfg = RZV2H_MPXED_PIN_FUNCS(2) | PIN_CFG_SCHMIT_CTRL | PIN_CFG_IEN, + }, +}; + #ifdef CONFIG_RISCV static const struct rzg2l_variable_pin_cfg r9a07g043f_variable_pin_cfg[] = { { @@ -474,6 +575,19 @@ static void rzg2l_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem * writeb(val, addr); } +static void rzv2h_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr) +{ + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; + u8 pwpr; + + raw_spin_lock(&pctrl->pwpr_lock); + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr | PWPR_REGWE_A, pctrl->base + regs->pwpr); + writeb(val, addr); + writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr); + raw_spin_unlock(&pctrl->pwpr_lock); +} + static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func) { @@ -512,6 +626,47 @@ static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, spin_unlock_irqrestore(&pctrl->lock, flags); }; +static void rzv2h_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, + u8 pin, u8 off, u8 func) +{ + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; + unsigned long flags; + u32 reg; + u8 pwpr; + + spin_lock_irqsave(&pctrl->lock, flags); + + /* Set pin to 'Non-use (Hi-Z input protection)' */ + reg = readw(pctrl->base + PM(off)); + reg &= ~(PM_MASK << (pin * 2)); + writew(reg, pctrl->base + PM(off)); + + /* Set the PWPR register to allow PFC and PMC register to write */ + raw_spin_lock(&pctrl->pwpr_lock); + pwpr = readb(pctrl->base + regs->pwpr); + writeb(PWPR_PFCWE | pwpr, pctrl->base + regs->pwpr); + + /* Temporarily switch to GPIO mode with PMC register */ + reg = readb(pctrl->base + PMC(off)); + writeb(reg & ~BIT(pin), pctrl->base + PMC(off)); + + /* Select Pin function mode with PFC register */ + reg = readl(pctrl->base + PFC(off)); + reg &= ~(PFC_MASK << (pin * 4)); + writel(reg | (func << (pin * 4)), pctrl->base + PFC(off)); + + /* Switch to Peripheral pin function with PMC register */ + reg = readb(pctrl->base + PMC(off)); + writeb(reg | BIT(pin), pctrl->base + PMC(off)); + + /* Set the PWPR register to be write-protected */ + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr & ~PWPR_PFCWE, pctrl->base + regs->pwpr); + raw_spin_unlock(&pctrl->pwpr_lock); + + spin_unlock_irqrestore(&pctrl->lock, flags); +}; + static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned int func_selector, unsigned int group_selector) @@ -1087,14 +1242,26 @@ static int rzg2l_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 return 0; } +static u32 rzv2h_read_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin) +{ + /* stub */ + return 0; +} + +static int rzv2h_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin, u8 oen) +{ + /* stub */ + return -EINVAL; +} + static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, unsigned int _pin, unsigned long *config) { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - enum pin_config_param param = pinconf_to_config_param(*config); const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin]; + u32 param = pinconf_to_config_param(*config); u64 *pin_data = pin->drv_data; unsigned int arg = 0; u32 off, cfg; @@ -1180,6 +1347,30 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, break; } + case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE: { + u8 val; + + if (!(cfg & (PIN_CFG_IOLH_1 | PIN_CFG_IOLH_2 | PIN_CFG_IOLH_3 | PIN_CFG_IOLH_4))) + return -EINVAL; + + val = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK); + switch (val) { + case 0: + arg = 1; + break; + case 1: + arg = 2; + break; + case 2: + arg = 4; + break; + default: + arg = 6; + break; + } + break; + } + default: return -ENOTSUPP; } @@ -1199,9 +1390,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; struct rzg2l_pinctrl_pin_settings settings = pctrl->settings[_pin]; u64 *pin_data = pin->drv_data; - enum pin_config_param param; unsigned int i, arg, index; u32 cfg, off; + u32 param; int ret; u8 bit; @@ -1283,6 +1474,32 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index); break; + case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE: + arg = pinconf_to_config_argument(_configs[i]); + + if (!(cfg & (PIN_CFG_IOLH_1 | PIN_CFG_IOLH_2 | + PIN_CFG_IOLH_3 | PIN_CFG_IOLH_4))) + return -EINVAL; + + switch (arg) { + case 1: + index = 0; + break; + case 2: + index = 1; + break; + case 4: + index = 2; + break; + case 6: + index = 3; + break; + default: + return -EINVAL; + } + rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index); + break; + default: return -EOPNOTSUPP; } @@ -1730,6 +1947,38 @@ static const u64 r9a08g045_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(6, 0x2a, RZG3S_MPXED_PIN_FUNCS(A)), /* P18 */ }; +static const char * const rzv2h_gpio_names[] = { + "P00", "P01", "P02", "P03", "P04", "P05", "P06", "P07", + "P10", "P11", "P12", "P13", "P14", "P15", "P16", "P17", + "P20", "P21", "P22", "P23", "P24", "P25", "P26", "P27", + "P30", "P31", "P32", "P33", "P34", "P35", "P36", "P37", + "P40", "P41", "P42", "P43", "P44", "P45", "P46", "P47", + "P50", "P51", "P52", "P53", "P54", "P55", "P56", "P57", + "P60", "P61", "P62", "P63", "P64", "P65", "P66", "P67", + "P70", "P71", "P72", "P73", "P74", "P75", "P76", "P77", + "P80", "P81", "P82", "P83", "P84", "P85", "P86", "P87", + "P90", "P91", "P92", "P93", "P94", "P95", "P96", "P97", + "PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7", + "PB0", "PB1", "PB2", "PB3", "PB4", "PB5", "PB6", "PB7", +}; + +static const u64 r9a09g057_gpio_configs[] = { + RZG2L_GPIO_PORT_PACK(8, 0x20, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P0 */ + RZG2L_GPIO_PORT_PACK(6, 0x21, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P1 */ + RZG2L_GPIO_PORT_PACK(2, 0x22, RZV2H_MPXED_PIN_FUNCS(4)), /* P2 */ + RZG2L_GPIO_PORT_PACK(8, 0x23, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P3 */ + RZG2L_GPIO_PORT_PACK(8, 0x24, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P4 */ + RZG2L_GPIO_PORT_PACK(8, 0x25, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P5 */ + RZG2L_GPIO_PORT_PACK(8, 0x26, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL | + PIN_CFG_ELC), /* P6 */ + RZG2L_GPIO_PORT_PACK(8, 0x27, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* P7 */ + RZG2L_GPIO_PORT_PACK(8, 0x28, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL | + PIN_CFG_ELC), /* P8 */ + RZG2L_GPIO_PORT_PACK(8, 0x29, PIN_CFG_VARIABLE), /* P9 */ + RZG2L_GPIO_PORT_PACK(8, 0x2a, RZV2H_MPXED_PIN_FUNCS(3) | PIN_CFG_SCHMIT_CTRL), /* PA */ + RZG2L_GPIO_PORT_PACK(6, 0x2b, PIN_CFG_VARIABLE), /* PB */ +}; + static const struct { struct rzg2l_dedicated_configs common[35]; struct rzg2l_dedicated_configs rzg2l_pins[7]; @@ -1856,6 +2105,139 @@ static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = { PIN_CFG_IO_VMC_SD1)) }, }; +static struct rzg2l_dedicated_configs rzv2h_dedicated_pins[] = { + { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | + PIN_CFG_FILCLKSEL)) }, + { "TMS_SWDIO", RZG2L_SINGLE_PIN_PACK(0x3, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_IEN)) }, + { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 2, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) }, + { "WDTUDFCA", RZG2L_SINGLE_PIN_PACK(0x5, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "WDTUDFCM", RZG2L_SINGLE_PIN_PACK(0x5, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "SCIF_RXD", RZG2L_SINGLE_PIN_PACK(0x6, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "SCIF_TXD", RZG2L_SINGLE_PIN_PACK(0x6, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_CKP", RZG2L_SINGLE_PIN_PACK(0x7, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_CKN", RZG2L_SINGLE_PIN_PACK(0x7, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_CS0N", RZG2L_SINGLE_PIN_PACK(0x7, 2, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_DS", RZG2L_SINGLE_PIN_PACK(0x7, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_RESET0N", RZG2L_SINGLE_PIN_PACK(0x7, 4, (PIN_CFG_IOLH_1 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_RSTO0N", RZG2L_SINGLE_PIN_PACK(0x7, 5, (PIN_CFG_PUPD)) }, + { "XSPI0_INT0N", RZG2L_SINGLE_PIN_PACK(0x7, 6, (PIN_CFG_PUPD)) }, + { "XSPI0_ECS0N", RZG2L_SINGLE_PIN_PACK(0x7, 7, (PIN_CFG_PUPD)) }, + { "XSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0x8, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0x8, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0x8, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0x8, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO4", RZG2L_SINGLE_PIN_PACK(0x8, 4, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO5", RZG2L_SINGLE_PIN_PACK(0x8, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO6", RZG2L_SINGLE_PIN_PACK(0x8, 6, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO7", RZG2L_SINGLE_PIN_PACK(0x8, 7, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "SD0CLK", RZG2L_SINGLE_PIN_PACK(0x9, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) }, + { "SD0CMD", RZG2L_SINGLE_PIN_PACK(0x9, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) }, + { "SD0RSTN", RZG2L_SINGLE_PIN_PACK(0x9, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT0", RZG2L_SINGLE_PIN_PACK(0xa, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT1", RZG2L_SINGLE_PIN_PACK(0xa, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT2", RZG2L_SINGLE_PIN_PACK(0xa, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT3", RZG2L_SINGLE_PIN_PACK(0xa, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT4", RZG2L_SINGLE_PIN_PACK(0xa, 4, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT5", RZG2L_SINGLE_PIN_PACK(0xa, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT6", RZG2L_SINGLE_PIN_PACK(0xa, 6, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IOLH_2 | PIN_CFG_PUPD)) }, + { "SD0DAT7", RZG2L_SINGLE_PIN_PACK(0xa, 7, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0xb, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR)) }, + { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0xb, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1_DAT0", RZG2L_SINGLE_PIN_PACK(0xc, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1_DAT1", RZG2L_SINGLE_PIN_PACK(0xc, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1_DAT2", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1_DAT3", RZG2L_SINGLE_PIN_PACK(0xc, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "PCIE0_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 0, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) }, + { "PCIE1_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 1, (PIN_CFG_IOLH_1 | PIN_CFG_SR)) }, + { "ET0_MDIO", RZG2L_SINGLE_PIN_PACK(0xf, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "ET0_MDC", RZG2L_SINGLE_PIN_PACK(0xf, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x10, 0, (PIN_CFG_PUPD)) }, + { "ET0_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x10, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXER", RZG2L_SINGLE_PIN_PACK(0x10, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXER", RZG2L_SINGLE_PIN_PACK(0x10, 3, (PIN_CFG_PUPD)) }, + { "ET0_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 4, (PIN_CFG_PUPD)) }, + { "ET0_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "ET0_CRS", RZG2L_SINGLE_PIN_PACK(0x10, 6, (PIN_CFG_PUPD)) }, + { "ET0_COL", RZG2L_SINGLE_PIN_PACK(0x10, 7, (PIN_CFG_PUPD)) }, + { "ET0_TXD0", RZG2L_SINGLE_PIN_PACK(0x11, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD1", RZG2L_SINGLE_PIN_PACK(0x11, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD2", RZG2L_SINGLE_PIN_PACK(0x11, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD3", RZG2L_SINGLE_PIN_PACK(0x11, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXD0", RZG2L_SINGLE_PIN_PACK(0x11, 4, (PIN_CFG_PUPD)) }, + { "ET0_RXD1", RZG2L_SINGLE_PIN_PACK(0x11, 5, (PIN_CFG_PUPD)) }, + { "ET0_RXD2", RZG2L_SINGLE_PIN_PACK(0x11, 6, (PIN_CFG_PUPD)) }, + { "ET0_RXD3", RZG2L_SINGLE_PIN_PACK(0x11, 7, (PIN_CFG_PUPD)) }, + { "ET1_MDIO", RZG2L_SINGLE_PIN_PACK(0x12, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_SR | PIN_CFG_IEN | + PIN_CFG_PUPD)) }, + { "ET1_MDC", RZG2L_SINGLE_PIN_PACK(0x12, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x13, 0, (PIN_CFG_PUPD)) }, + { "ET1_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x13, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXER", RZG2L_SINGLE_PIN_PACK(0x13, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXER", RZG2L_SINGLE_PIN_PACK(0x13, 3, (PIN_CFG_PUPD)) }, + { "ET1_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 4, (PIN_CFG_PUPD)) }, + { "ET1_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 5, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "ET1_CRS", RZG2L_SINGLE_PIN_PACK(0x13, 6, (PIN_CFG_PUPD)) }, + { "ET1_COL", RZG2L_SINGLE_PIN_PACK(0x13, 7, (PIN_CFG_PUPD)) }, + { "ET1_TXD0", RZG2L_SINGLE_PIN_PACK(0x14, 0, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD1", RZG2L_SINGLE_PIN_PACK(0x14, 1, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD2", RZG2L_SINGLE_PIN_PACK(0x14, 2, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD3", RZG2L_SINGLE_PIN_PACK(0x14, 3, (PIN_CFG_IOLH_2 | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXD0", RZG2L_SINGLE_PIN_PACK(0x14, 4, (PIN_CFG_PUPD)) }, + { "ET1_RXD1", RZG2L_SINGLE_PIN_PACK(0x14, 5, (PIN_CFG_PUPD)) }, + { "ET1_RXD2", RZG2L_SINGLE_PIN_PACK(0x14, 6, (PIN_CFG_PUPD)) }, + { "ET1_RXD3", RZG2L_SINGLE_PIN_PACK(0x14, 7, (PIN_CFG_PUPD)) }, +}; + static int rzg2l_gpio_get_gpioint(unsigned int virq, struct rzg2l_pinctrl *pctrl) { const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[virq]; @@ -2380,6 +2762,9 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) BUILD_BUG_ON(ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT > ARRAY_SIZE(rzg2l_gpio_names)); + BUILD_BUG_ON(ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzv2h_gpio_names)); + pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) return -ENOMEM; @@ -2402,6 +2787,7 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) spin_lock_init(&pctrl->lock); spin_lock_init(&pctrl->bitmap_lock); + raw_spin_lock_init(&pctrl->pwpr_lock); mutex_init(&pctrl->mutex); atomic_set(&pctrl->wakeup_path, 0); @@ -2578,6 +2964,65 @@ static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) writel(PWPR_B0WI, pctrl->base + regs->pwpr); /* B0WI=1, PFCWE=0 */ } +static void rzv2h_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) +{ + u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + u8 pwpr; + + /* Set the PWPR register to allow PFC + PMC register to write. */ + raw_spin_lock(&pctrl->pwpr_lock); + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr | PWPR_REGWE_A, pctrl->base + regs->pwpr); /* REGWE_A=1 */ + + /* Restore port registers. */ + for (u32 port = 0; port < nports; port++) { + unsigned long pinmap; + u8 pmc = 0, max_pin; + u32 off, pfc = 0; + u64 cfg; + u16 pm; + u8 pin; + + cfg = pctrl->data->port_pin_configs[port]; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); + pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg); + max_pin = fls(pinmap); + + pm = readw(pctrl->base + PM(off)); + for_each_set_bit(pin, &pinmap, max_pin) { + struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache; + + /* Nothing to do if PFC was not configured before. */ + if (!(cache->pmc[port] & BIT(pin))) + continue; + + /* Set pin to 'Non-use (Hi-Z input protection)' */ + pm &= ~(PM_MASK << (pin * 2)); + writew(pm, pctrl->base + PM(off)); + + /* Temporarily switch to GPIO mode with PMC register */ + pmc &= ~BIT(pin); + writeb(pmc, pctrl->base + PMC(off)); + + /* Select Pin function mode. */ + pfc &= ~(PFC_MASK << (pin * 4)); + pfc |= (cache->pfc[port] & (PFC_MASK << (pin * 4))); + writel(pfc, pctrl->base + PFC(off)); + + /* Switch to Peripheral pin function. */ + pmc |= BIT(pin); + writeb(pmc, pctrl->base + PMC(off)); + } + } + + /* Set the PWPR register to be write-protected. */ + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr); /* REGWE_A=0 */ + raw_spin_unlock(&pctrl->pwpr_lock); +} + static int rzg2l_pinctrl_suspend_noirq(struct device *dev) { struct rzg2l_pinctrl *pctrl = dev_get_drvdata(dev); @@ -2682,6 +3127,14 @@ static const struct rzg2l_hwcfg rzg3s_hwcfg = { .oen_max_port = 7, /* P7_1 is the maximum OEN port. */ }; +static const struct rzg2l_hwcfg rzv2h_hwcfg = { + .regs = { + .pwpr = 0x3c04, + .sd_ch = 0x0, + .eth_poc = 0x0, + }, +}; + static struct rzg2l_pinctrl_data r9a07g043_data = { .port_pins = rzg2l_gpio_names, .port_pin_configs = r9a07g043_gpio_configs, @@ -2732,6 +3185,28 @@ static struct rzg2l_pinctrl_data r9a08g045_data = { .write_oen = &rzg2l_write_oen, }; +static struct rzg2l_pinctrl_data r9a09g057_data = { + .port_pins = rzv2h_gpio_names, + .port_pin_configs = r9a09g057_gpio_configs, + .n_ports = ARRAY_SIZE(r9a09g057_gpio_configs), + .dedicated_pins = rzv2h_dedicated_pins, + .n_port_pins = ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT, + .n_dedicated_pins = ARRAY_SIZE(rzv2h_dedicated_pins), + .hwcfg = &rzv2h_hwcfg, + .variable_pin_cfg = r9a09g057_variable_pin_cfg, + .n_variable_pin_cfg = ARRAY_SIZE(r9a09g057_variable_pin_cfg), + .num_custom_params = ARRAY_SIZE(renesas_rzv2h_custom_bindings), + .custom_params = renesas_rzv2h_custom_bindings, +#ifdef CONFIG_DEBUG_FS + .custom_conf_items = renesas_rzv2h_conf_items, +#endif + .set_pfc_mode = &rzv2h_pinctrl_set_pfc_mode, + .pm_set_pfc = &rzv2h_pinctrl_pm_setup_pfc, + .pmc_writeb = &rzv2h_pmc_writeb, + .read_oen = &rzv2h_read_oen, + .write_oen = &rzv2h_write_oen, +}; + static const struct of_device_id rzg2l_pinctrl_of_table[] = { { .compatible = "renesas,r9a07g043-pinctrl", @@ -2745,6 +3220,10 @@ static const struct of_device_id rzg2l_pinctrl_of_table[] = { .compatible = "renesas,r9a08g045-pinctrl", .data = &r9a08g045_data, }, + { + .compatible = "renesas,r9a09g057-pinctrl", + .data = &r9a09g057_data, + }, { /* sentinel */ } };