[PATCH 1/2] pinctrl: ingenic: Handle PIN_CONFIG_OUTPUT config

[PATCH 1/2] pinctrl: ingenic: Handle PIN_CONFIG_OUTPUT config

[Paul Cercueil]

This makes the driver support the 'output-low' and 'output-high'
devicetree properties in gpio-hog sub-nodes.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/pinctrl/pinctrl-ingenic.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 6e2683016c1f..dbd907ef7cf0 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -1801,19 +1801,30 @@ static void ingenic_set_bias(struct ingenic_pinctrl *jzpc,
 		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_PULL_DIS, !enabled);
 }
 
+static void ingenic_set_output_level(struct ingenic_pinctrl *jzpc,
+				     unsigned int pin, bool high)
+{
+	if (jzpc->version >= ID_JZ4770)
+		ingenic_config_pin(jzpc, pin, JZ4760_GPIO_PAT0, high);
+	else
+		ingenic_config_pin(jzpc, pin, JZ4740_GPIO_DATA, high);
+}
+
 static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 		unsigned long *configs, unsigned int num_configs)
 {
 	struct ingenic_pinctrl *jzpc = pinctrl_dev_get_drvdata(pctldev);
 	unsigned int idx = pin % PINS_PER_GPIO_CHIP;
 	unsigned int offt = pin / PINS_PER_GPIO_CHIP;
-	unsigned int cfg;
+	unsigned int cfg, arg;
+	int ret;
 
 	for (cfg = 0; cfg < num_configs; cfg++) {
 		switch (pinconf_to_config_param(configs[cfg])) {
 		case PIN_CONFIG_BIAS_DISABLE:
 		case PIN_CONFIG_BIAS_PULL_UP:
 		case PIN_CONFIG_BIAS_PULL_DOWN:
+		case PIN_CONFIG_OUTPUT:
 			continue;
 		default:
 			return -ENOTSUPP;
@@ -1821,6 +1832,8 @@ static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 	}
 
 	for (cfg = 0; cfg < num_configs; cfg++) {
+		arg = pinconf_to_config_argument(configs[cfg]);
+
 		switch (pinconf_to_config_param(configs[cfg])) {
 		case PIN_CONFIG_BIAS_DISABLE:
 			dev_dbg(jzpc->dev, "disable pull-over for pin P%c%u\n",
@@ -1844,6 +1857,14 @@ static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 			ingenic_set_bias(jzpc, pin, true);
 			break;
 
+		case PIN_CONFIG_OUTPUT:
+			ret = pinctrl_gpio_direction_output(pin);
+			if (ret)
+				return ret;
+
+			ingenic_set_output_level(jzpc, pin, arg);
+			break;
+
 		default:
 			unreachable();
 		}
-- 
2.24.0

[PATCH 2/2] pinctrl: ingenic: Add OTG VBUS pin for the JZ4770

[Paul Cercueil]

Add pin mux configuration for the OTG VBUS pin of the JZ4770.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/pinctrl/pinctrl-ingenic.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index dbd907ef7cf0..44f96a4eb97c 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -686,6 +686,7 @@ static int jz4770_mac_rmii_pins[] = {
 	0xa9, 0xab, 0xaa, 0xac, 0xa5, 0xa4, 0xad, 0xae, 0xa6, 0xa8,
 };
 static int jz4770_mac_mii_pins[] = { 0xa7, 0xaf, };
+static int jz4770_otg_pins[] = { 0x8a, };
 
 static int jz4770_uart0_data_funcs[] = { 0, 0, };
 static int jz4770_uart0_hwflow_funcs[] = { 0, 0, };
@@ -744,6 +745,7 @@ static int jz4770_pwm_pwm6_funcs[] = { 0, };
 static int jz4770_pwm_pwm7_funcs[] = { 0, };
 static int jz4770_mac_rmii_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
 static int jz4770_mac_mii_funcs[] = { 0, 0, };
+static int jz4770_otg_funcs[] = { 0, };
 
 static const struct group_desc jz4770_groups[] = {
 	INGENIC_PIN_GROUP("uart0-data", jz4770_uart0_data),
@@ -799,6 +801,7 @@ static const struct group_desc jz4770_groups[] = {
 	INGENIC_PIN_GROUP("pwm7", jz4770_pwm_pwm7),
 	INGENIC_PIN_GROUP("mac-rmii", jz4770_mac_rmii),
 	INGENIC_PIN_GROUP("mac-mii", jz4770_mac_mii),
+	INGENIC_PIN_GROUP("otg-vbus", jz4770_otg),
 };
 
 static const char *jz4770_uart0_groups[] = { "uart0-data", "uart0-hwflow", };
@@ -841,6 +844,7 @@ static const char *jz4770_pwm5_groups[] = { "pwm5", };
 static const char *jz4770_pwm6_groups[] = { "pwm6", };
 static const char *jz4770_pwm7_groups[] = { "pwm7", };
 static const char *jz4770_mac_groups[] = { "mac-rmii", "mac-mii", };
+static const char *jz4770_otg_groups[] = { "otg-vbus", };
 
 static const struct function_desc jz4770_functions[] = {
 	{ "uart0", jz4770_uart0_groups, ARRAY_SIZE(jz4770_uart0_groups), },
@@ -871,6 +875,7 @@ static const struct function_desc jz4770_functions[] = {
 	{ "pwm6", jz4770_pwm6_groups, ARRAY_SIZE(jz4770_pwm6_groups), },
 	{ "pwm7", jz4770_pwm7_groups, ARRAY_SIZE(jz4770_pwm7_groups), },
 	{ "mac", jz4770_mac_groups, ARRAY_SIZE(jz4770_mac_groups), },
+	{ "otg", jz4770_otg_groups, ARRAY_SIZE(jz4770_otg_groups), },
 };
 
 static const struct ingenic_chip_info jz4770_chip_info = {
-- 
2.24.0

Re: [PATCH 1/2] pinctrl: ingenic: Handle PIN_CONFIG_OUTPUT config

[Linus Walleij]

On Tue, Nov 19, 2019 at 4:52 PM Paul Cercueil <paul@crapouillou.net> wrote:

> This makes the driver support the 'output-low' and 'output-high'
> devicetree properties in gpio-hog sub-nodes.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>

Patch applied!

Yours,
Linus Walleij

Re: [PATCH 2/2] pinctrl: ingenic: Add OTG VBUS pin for the JZ4770

[Linus Walleij]

On Tue, Nov 19, 2019 at 4:52 PM Paul Cercueil <paul@crapouillou.net> wrote:

> Add pin mux configuration for the OTG VBUS pin of the JZ4770.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>

Patch applied.

Yours,
Linus Walleij