linux-kernel - [PATCH 2/6] pinctrl: rockchip: add support for rk1108

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Message-Id: <1478176470-11956-1-git-send-email-andy.yan@rock-chips.com>
Date:   Thu,  3 Nov 2016 20:34:30 +0800
From:   Andy Yan <andy.yan@...k-chips.com>
To:     heiko@...ech.de
Cc:     david.wu@...k-chips.com, linux-gpio@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linus.walleij@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH 2/6] pinctrl: rockchip: add support for rk1108

Add basic support for rk1108 soc

Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
---

 drivers/pinctrl/pinctrl-rockchip.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 49bf7dc..9f324b1 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -59,6 +59,7 @@
 #define GPIO_LS_SYNC		0x60
 
 enum rockchip_pinctrl_type {
+	RK1108,
 	RK2928,
 	RK3066B,
 	RK3188,
@@ -1123,6 +1124,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
 		return !(data & BIT(bit))
 				? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
 				: PIN_CONFIG_BIAS_DISABLE;
+	case RK1108:
 	case RK3188:
 	case RK3288:
 	case RK3368:
@@ -1169,6 +1171,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank,
 
 		spin_unlock_irqrestore(&bank->slock, flags);
 		break;
+	case RK1108:
 	case RK3188:
 	case RK3288:
 	case RK3368:
@@ -1358,6 +1361,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
 					pull == PIN_CONFIG_BIAS_DISABLE);
 	case RK3066B:
 		return pull ? false : true;
+	case RK1108:
 	case RK3188:
 	case RK3288:
 	case RK3368:
@@ -1385,7 +1389,6 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 	for (i = 0; i < num_configs; i++) {
 		param = pinconf_to_config_param(configs[i]);
 		arg = pinconf_to_config_argument(configs[i]);
-
 		switch (param) {
 		case PIN_CONFIG_BIAS_DISABLE:
 			rc =  rockchip_set_pull(bank, pin - bank->pin_base,
@@ -2455,6 +2458,26 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static struct rockchip_pin_bank rk1108_pin_banks[] = {
+	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
+					     IOMUX_SOURCE_PMU,
+					     IOMUX_SOURCE_PMU,
+					     IOMUX_SOURCE_PMU),
+	PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
+	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
+	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
+};
+
+static struct rockchip_pin_ctrl rk1108_pin_ctrl = {
+	.pin_banks		= rk1108_pin_banks,
+	.nr_banks		= ARRAY_SIZE(rk1108_pin_banks),
+	.label			= "RK1108-GPIO",
+	.type			= RK1108,
+	.grf_mux_offset		= 0x10,
+	.pmu_mux_offset		= 0x0,
+	.pull_calc_reg          = rk3288_calc_pull_reg_and_bit,
+};
+
 static struct rockchip_pin_bank rk2928_pin_banks[] = {
 	PIN_BANK(0, 32, "gpio0"),
 	PIN_BANK(1, 32, "gpio1"),
@@ -2684,6 +2707,8 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
 };
 
 static const struct of_device_id rockchip_pinctrl_dt_match[] = {
+	{ .compatible = "rockchip,rk1108-pinctrl",
+		.data = (void *)&rk1108_pin_ctrl },
 	{ .compatible = "rockchip,rk2928-pinctrl",
 		.data = (void *)&rk2928_pin_ctrl },
 	{ .compatible = "rockchip,rk3036-pinctrl",
-- 
2.7.4