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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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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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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: 13605176 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B73B813E03D; 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Tue, 26 Mar 2024 15:30:03 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:02 -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 04/13] pinctrl: renesas: pinctrl-rzg2l: Allow more bits for pin configuration Date: Tue, 26 Mar 2024 22:28:35 +0000 Message-Id: <20240326222844.1422948-5-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar The pin configuration bits have been growing for every new SoCs being added for the pinctrl-rzg2l driver which would mean updating the macros every time for each new configuration. 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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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) 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-renesas-soc@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: 13605179 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C254F1F61C; 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Tue, 26 Mar 2024 15:30:07 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:06 -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 07/13] pinctrl: renesas: pinctrl-rzg2l: Validate power registers for SD and ETH Date: Tue, 26 Mar 2024 22:28:38 +0000 Message-Id: <20240326222844.1422948-8-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar On RZ/V2H(P) SoC, the power registers for SD and ETH do not exist, resulting in invalid register offsets. 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: 13605180 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4299313E03D; 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Tue, 26 Mar 2024 15:30:08 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:07 -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 08/13] pinctrl: renesas: pinctrl-rzg2l: Add function pointers for writing to PFC Date: Tue, 26 Mar 2024 22:28:39 +0000 Message-Id: <20240326222844.1422948-9-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar On the RZ/G2L SoC, the PFCWE bit controls writing to PFC registers. 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: 13605181 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E68413DDAA; Tue, 26 Mar 2024 22:30:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Tue, 26 Mar 2024 15:30:09 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:09 -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 09/13] pinctrl: renesas: pinctrl-rzg2l: Add function pointer for writing to PMC register Date: Tue, 26 Mar 2024 22:28:40 +0000 Message-Id: <20240326222844.1422948-10-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar This patch introduces a function pointer, pmc_writeb(), in the struct rzg2l_pinctrl_data to facilitate writing to the PMC register. 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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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, }; static const struct of_device_id rzg2l_pinctrl_of_table[] = { From patchwork Tue Mar 26 22:28:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 13605183 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04EC313F006; Tue, 26 Mar 2024 22:30:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711492215; cv=none; b=M3s75BApBP/1rL9wYnNhWSwm5NRkdf791pkjSDVobEoHraugR6uq8eqigyVTej0U+ZMvpbgHbS+ao7KVO1bwoNW3/WTxLcaCdmA2/rg66rd20CryQezbTH3auiLwAeIfwAhcpXe6m+Pw51/uaidqQj0diGGCQO/tOWUKQkVobpQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; 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Tue, 26 Mar 2024 15:30:11 -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 11/13] pinctrl: renesas: pinctrl-rzg2l: Pass pincontrol device pointer to pinconf_generic_parse_dt_config() Date: Tue, 26 Mar 2024 22:28:42 +0000 Message-Id: <20240326222844.1422948-12-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Pass pincontrol device pointer to pinconf_generic_parse_dt_config() in prepration for passing custom params. 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: 13605184 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1193F13FD95; 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Tue, 26 Mar 2024 15:30:13 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:12 -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 12/13] pinctrl: renesas: pinctrl-rzg2l: Add support to pass custom params Date: Tue, 26 Mar 2024 22:28:43 +0000 Message-Id: <20240326222844.1422948-13-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar In prepration for passing custom params for RZ/V2H(P) SoC assign the custom params that is being passed of struct rzg2l_pinctrl_data. 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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Tue, 26 Mar 2024 15:30:14 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:90ec:252a:cdf5:54e9]) by smtp.gmail.com with ESMTPSA id bs20-20020a056000071400b00341de138a2esm600647wrb.94.2024.03.26.15.30.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Mar 2024 15:30:13 -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 13/13] pinctrl: renesas: pinctrl-rzg2l: Add support for RZ/V2H SoC Date: Tue, 26 Mar 2024 22:28:44 +0000 Message-Id: <20240326222844.1422948-14-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-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Add pinctrl driver support for RZ/V2H(P) SoC. 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 */ } };