pinctrl/rockchip: add error handling for pull/drive register getters
[ Upstream commit 42573ab3b9f94fbeba8b84e142703ea551624f6d ] Add error handling for the pull and driver register getters in preparation for RK3588 support. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Reviewed-by: Heiko Stübner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220422170920.401914-13-sebastian.reichel@collabora.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Stable-dep-of: 31b62a98de42 ("pinctrl: rockchip: fix reading pull type on rk3568") Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sebastian Reichel
committed by
Greg Kroah-Hartman
Greg Kroah-Hartman
parent
259ab8fb8c
commit
ddca674af1
@@ -1039,9 +1039,9 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
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#define PX30_PULL_PINS_PER_REG 8
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#define PX30_PULL_BANK_STRIDE 16
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static void px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1061,6 +1061,8 @@ static void px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += ((pin_num / PX30_PULL_PINS_PER_REG) * 4);
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*bit = (pin_num % PX30_PULL_PINS_PER_REG);
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*bit *= PX30_PULL_BITS_PER_PIN;
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return 0;
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}
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#define PX30_DRV_PMU_OFFSET 0x20
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@@ -1069,9 +1071,9 @@ static void px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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#define PX30_DRV_PINS_PER_REG 8
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#define PX30_DRV_BANK_STRIDE 16
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static void px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1091,6 +1093,8 @@ static void px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += ((pin_num / PX30_DRV_PINS_PER_REG) * 4);
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*bit = (pin_num % PX30_DRV_PINS_PER_REG);
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*bit *= PX30_DRV_BITS_PER_PIN;
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return 0;
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}
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#define PX30_SCHMITT_PMU_OFFSET 0x38
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@@ -1130,9 +1134,9 @@ static int px30_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RV1108_PULL_BITS_PER_PIN 2
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#define RV1108_PULL_BANK_STRIDE 16
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static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1151,6 +1155,8 @@ static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4);
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*bit = (pin_num % RV1108_PULL_PINS_PER_REG);
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*bit *= RV1108_PULL_BITS_PER_PIN;
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return 0;
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}
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#define RV1108_DRV_PMU_OFFSET 0x20
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@@ -1159,9 +1165,9 @@ static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RV1108_DRV_PINS_PER_REG 8
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#define RV1108_DRV_BANK_STRIDE 16
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static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1181,6 +1187,8 @@ static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4);
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*bit = pin_num % RV1108_DRV_PINS_PER_REG;
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*bit *= RV1108_DRV_BITS_PER_PIN;
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return 0;
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}
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#define RV1108_SCHMITT_PMU_OFFSET 0x30
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@@ -1237,9 +1245,9 @@ static int rk3308_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RK2928_PULL_PINS_PER_REG 16
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#define RK2928_PULL_BANK_STRIDE 8
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static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1249,13 +1257,15 @@ static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4;
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*bit = pin_num % RK2928_PULL_PINS_PER_REG;
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return 0;
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};
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#define RK3128_PULL_OFFSET 0x118
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static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1265,6 +1275,8 @@ static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4);
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*bit = pin_num % RK2928_PULL_PINS_PER_REG;
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return 0;
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}
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#define RK3188_PULL_OFFSET 0x164
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@@ -1273,9 +1285,9 @@ static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RK3188_PULL_BANK_STRIDE 16
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#define RK3188_PULL_PMU_OFFSET 0x64
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static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1305,12 +1317,14 @@ static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = 7 - (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3288_PULL_OFFSET 0x140
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static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1334,6 +1348,8 @@ static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3288_DRV_PMU_OFFSET 0x70
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@@ -1342,9 +1358,9 @@ static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RK3288_DRV_PINS_PER_REG 8
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#define RK3288_DRV_BANK_STRIDE 16
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static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1368,13 +1384,15 @@ static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
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*bit *= RK3288_DRV_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3228_PULL_OFFSET 0x100
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static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1385,13 +1403,15 @@ static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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return 0;
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}
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#define RK3228_DRV_GRF_OFFSET 0x200
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static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1402,13 +1422,15 @@ static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
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*bit *= RK3288_DRV_BITS_PER_PIN;
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return 0;
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}
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#define RK3308_PULL_OFFSET 0xa0
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static void rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1419,13 +1441,15 @@ static void rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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return 0;
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}
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#define RK3308_DRV_GRF_OFFSET 0x100
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static void rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1436,14 +1460,16 @@ static void rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
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*bit *= RK3288_DRV_BITS_PER_PIN;
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return 0;
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}
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#define RK3368_PULL_GRF_OFFSET 0x100
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#define RK3368_PULL_PMU_OFFSET 0x10
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static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1467,14 +1493,16 @@ static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3368_DRV_PMU_OFFSET 0x20
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#define RK3368_DRV_GRF_OFFSET 0x200
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static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1498,15 +1526,17 @@ static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
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*bit *= RK3288_DRV_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3399_PULL_GRF_OFFSET 0xe040
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#define RK3399_PULL_PMU_OFFSET 0x40
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#define RK3399_DRV_3BITS_PER_PIN 3
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static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1532,11 +1562,13 @@ static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
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*bit *= RK3188_PULL_BITS_PER_PIN;
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}
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return 0;
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}
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static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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int drv_num = (pin_num / 8);
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@@ -1553,6 +1585,8 @@ static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % 8) * 3;
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else
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*bit = (pin_num % 8) * 2;
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return 0;
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}
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#define RK3568_PULL_PMU_OFFSET 0x20
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@@ -1561,9 +1595,9 @@ static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RK3568_PULL_PINS_PER_REG 8
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#define RK3568_PULL_BANK_STRIDE 0x10
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static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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{
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struct rockchip_pinctrl *info = bank->drvdata;
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@@ -1584,6 +1618,8 @@ static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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*bit = (pin_num % RK3568_PULL_PINS_PER_REG);
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*bit *= RK3568_PULL_BITS_PER_PIN;
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}
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return 0;
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}
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#define RK3568_DRV_PMU_OFFSET 0x70
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@@ -1592,9 +1628,9 @@ static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
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#define RK3568_DRV_PINS_PER_REG 2
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#define RK3568_DRV_BANK_STRIDE 0x40
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static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
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static int rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
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int pin_num, struct regmap **regmap,
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int *reg, u8 *bit)
|
||||
{
|
||||
struct rockchip_pinctrl *info = bank->drvdata;
|
||||
|
||||
@@ -1615,6 +1651,8 @@ static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
||||
*bit = (pin_num % RK3568_DRV_PINS_PER_REG);
|
||||
*bit *= RK3568_DRV_BITS_PER_PIN;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
|
||||
@@ -1637,7 +1675,9 @@ static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank,
|
||||
u8 bit;
|
||||
int drv_type = bank->drv[pin_num / 8].drv_type;
|
||||
|
||||
ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
ret = ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
switch (drv_type) {
|
||||
case DRV_TYPE_IO_1V8_3V0_AUTO:
|
||||
@@ -1717,7 +1757,9 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
|
||||
dev_dbg(dev, "setting drive of GPIO%d-%d to %d\n",
|
||||
bank->bank_num, pin_num, strength);
|
||||
|
||||
ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
ret = ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
if (ret)
|
||||
return ret;
|
||||
if (ctrl->type == RK3568) {
|
||||
rmask_bits = RK3568_DRV_BITS_PER_PIN;
|
||||
ret = (1 << (strength + 1)) - 1;
|
||||
@@ -1830,7 +1872,9 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
|
||||
if (ctrl->type == RK3066B)
|
||||
return PIN_CONFIG_BIAS_DISABLE;
|
||||
|
||||
ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
ret = ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = regmap_read(regmap, reg, &data);
|
||||
if (ret)
|
||||
@@ -1877,7 +1921,9 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank,
|
||||
if (ctrl->type == RK3066B)
|
||||
return pull ? -EINVAL : 0;
|
||||
|
||||
ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
ret = ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
switch (ctrl->type) {
|
||||
case RK2928:
|
||||
|
||||
@@ -230,10 +230,10 @@ struct rockchip_pin_ctrl {
|
||||
struct rockchip_mux_route_data *iomux_routes;
|
||||
u32 niomux_routes;
|
||||
|
||||
void (*pull_calc_reg)(struct rockchip_pin_bank *bank,
|
||||
int (*pull_calc_reg)(struct rockchip_pin_bank *bank,
|
||||
int pin_num, struct regmap **regmap,
|
||||
int *reg, u8 *bit);
|
||||
void (*drv_calc_reg)(struct rockchip_pin_bank *bank,
|
||||
int (*drv_calc_reg)(struct rockchip_pin_bank *bank,
|
||||
int pin_num, struct regmap **regmap,
|
||||
int *reg, u8 *bit);
|
||||
int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank,
|
||||
|
||||
Reference in New Issue
Block a user