pinctrl: Ingenic: Add pinctrl driver for X1500.

Add support for probing the pinctrl-ingenic driver on the
X1500 Soc from Ingenic.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Link: https://lore.kernel.org/r/1563076436-5338-7-git-send-email-zhouyanjie@zoho.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-ingenic.c

@@ -3,6 +3,7 @@
  * Ingenic SoCs pinctrl driver
  *
  * Copyright (c) 2017 Paul Cercueil <paul@crapouillou.net>
+ * Copyright (c) 2019 Zhou Yanjie <zhouyanjie@zoho.com>
  */
 
 #include <linux/compiler.h>
@@ -58,6 +59,7 @@ enum jz_version {
 	ID_JZ4780,
 	ID_X1000,
 	ID_X1000E,
+	ID_X1500,
 };
 
 struct ingenic_chip_info {
@@ -1218,6 +1220,116 @@ static const struct ingenic_chip_info x1000e_chip_info = {
 	.pull_downs = x1000_pull_downs,
 };
 
+static int x1500_uart0_data_pins[] = { 0x4a, 0x4b, };
+static int x1500_uart0_hwflow_pins[] = { 0x4c, 0x4d, };
+static int x1500_uart1_data_a_pins[] = { 0x04, 0x05, };
+static int x1500_uart1_data_d_pins[] = { 0x62, 0x63, };
+static int x1500_uart1_hwflow_d_pins[] = { 0x64, 0x65, };
+static int x1500_uart2_data_a_pins[] = { 0x02, 0x03, };
+static int x1500_uart2_data_d_pins[] = { 0x65, 0x64, };
+static int x1500_mmc0_1bit_pins[] = { 0x18, 0x19, 0x17, };
+static int x1500_mmc0_4bit_pins[] = { 0x16, 0x15, 0x14, };
+static int x1500_i2c0_pins[] = { 0x38, 0x37, };
+static int x1500_i2c1_a_pins[] = { 0x01, 0x00, };
+static int x1500_i2c1_c_pins[] = { 0x5b, 0x5a, };
+static int x1500_i2c2_pins[] = { 0x61, 0x60, };
+static int x1500_cim_pins[] = {
+	0x08, 0x09, 0x0a, 0x0b,
+	0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c,
+};
+static int x1500_pwm_pwm0_pins[] = { 0x59, };
+static int x1500_pwm_pwm1_pins[] = { 0x5a, };
+static int x1500_pwm_pwm2_pins[] = { 0x5b, };
+static int x1500_pwm_pwm3_pins[] = { 0x26, };
+static int x1500_pwm_pwm4_pins[] = { 0x58, };
+
+static int x1500_uart0_data_funcs[] = { 0, 0, };
+static int x1500_uart0_hwflow_funcs[] = { 0, 0, };
+static int x1500_uart1_data_a_funcs[] = { 2, 2, };
+static int x1500_uart1_data_d_funcs[] = { 1, 1, };
+static int x1500_uart1_hwflow_d_funcs[] = { 1, 1, };
+static int x1500_uart2_data_a_funcs[] = { 2, 2, };
+static int x1500_uart2_data_d_funcs[] = { 0, 0, };
+static int x1500_mmc0_1bit_funcs[] = { 1, 1, 1, };
+static int x1500_mmc0_4bit_funcs[] = { 1, 1, 1, };
+static int x1500_i2c0_funcs[] = { 0, 0, };
+static int x1500_i2c1_a_funcs[] = { 2, 2, };
+static int x1500_i2c1_c_funcs[] = { 0, 0, };
+static int x1500_i2c2_funcs[] = { 1, 1, };
+static int x1500_cim_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, };
+static int x1500_pwm_pwm0_funcs[] = { 0, };
+static int x1500_pwm_pwm1_funcs[] = { 1, };
+static int x1500_pwm_pwm2_funcs[] = { 1, };
+static int x1500_pwm_pwm3_funcs[] = { 2, };
+static int x1500_pwm_pwm4_funcs[] = { 0, };
+
+static const struct group_desc x1500_groups[] = {
+	INGENIC_PIN_GROUP("uart0-data", x1500_uart0_data),
+	INGENIC_PIN_GROUP("uart0-hwflow", x1500_uart0_hwflow),
+	INGENIC_PIN_GROUP("uart1-data-a", x1500_uart1_data_a),
+	INGENIC_PIN_GROUP("uart1-data-d", x1500_uart1_data_d),
+	INGENIC_PIN_GROUP("uart1-hwflow-d", x1500_uart1_hwflow_d),
+	INGENIC_PIN_GROUP("uart2-data-a", x1500_uart2_data_a),
+	INGENIC_PIN_GROUP("uart2-data-d", x1500_uart2_data_d),
+	INGENIC_PIN_GROUP("mmc0-1bit", x1500_mmc0_1bit),
+	INGENIC_PIN_GROUP("mmc0-4bit", x1500_mmc0_4bit),
+	INGENIC_PIN_GROUP("i2c0-data", x1500_i2c0),
+	INGENIC_PIN_GROUP("i2c1-data-a", x1500_i2c1_a),
+	INGENIC_PIN_GROUP("i2c1-data-c", x1500_i2c1_c),
+	INGENIC_PIN_GROUP("i2c2-data", x1500_i2c2),
+	INGENIC_PIN_GROUP("cim-data", x1500_cim),
+	{ "lcd-no-pins", },
+	INGENIC_PIN_GROUP("pwm0", x1500_pwm_pwm0),
+	INGENIC_PIN_GROUP("pwm1", x1500_pwm_pwm1),
+	INGENIC_PIN_GROUP("pwm2", x1500_pwm_pwm2),
+	INGENIC_PIN_GROUP("pwm3", x1500_pwm_pwm3),
+	INGENIC_PIN_GROUP("pwm4", x1500_pwm_pwm4),
+};
+
+static const char *x1500_uart0_groups[] = { "uart0-data", "uart0-hwflow", };
+static const char *x1500_uart1_groups[] = {
+	"uart1-data-a", "uart1-data-d", "uart1-hwflow-d",
+};
+static const char *x1500_uart2_groups[] = { "uart2-data-a", "uart2-data-d", };
+static const char *x1500_mmc0_groups[] = { "mmc0-1bit", "mmc0-4bit", };
+static const char *x1500_i2c0_groups[] = { "i2c0-data", };
+static const char *x1500_i2c1_groups[] = { "i2c1-data-a", "i2c1-data-c", };
+static const char *x1500_i2c2_groups[] = { "i2c2-data", };
+static const char *x1500_cim_groups[] = { "cim-data", };
+static const char *x1500_lcd_groups[] = { "lcd-no-pins", };
+static const char *x1500_pwm0_groups[] = { "pwm0", };
+static const char *x1500_pwm1_groups[] = { "pwm1", };
+static const char *x1500_pwm2_groups[] = { "pwm2", };
+static const char *x1500_pwm3_groups[] = { "pwm3", };
+static const char *x1500_pwm4_groups[] = { "pwm4", };
+
+static const struct function_desc x1500_functions[] = {
+	{ "uart0", x1500_uart0_groups, ARRAY_SIZE(x1500_uart0_groups), },
+	{ "uart1", x1500_uart1_groups, ARRAY_SIZE(x1500_uart1_groups), },
+	{ "uart2", x1500_uart2_groups, ARRAY_SIZE(x1500_uart2_groups), },
+	{ "mmc0", x1500_mmc0_groups, ARRAY_SIZE(x1500_mmc0_groups), },
+	{ "i2c0", x1500_i2c0_groups, ARRAY_SIZE(x1500_i2c0_groups), },
+	{ "i2c1", x1500_i2c1_groups, ARRAY_SIZE(x1500_i2c1_groups), },
+	{ "i2c2", x1500_i2c2_groups, ARRAY_SIZE(x1500_i2c2_groups), },
+	{ "cim", x1500_cim_groups, ARRAY_SIZE(x1500_cim_groups), },
+	{ "lcd", x1500_lcd_groups, ARRAY_SIZE(x1500_lcd_groups), },
+	{ "pwm0", x1500_pwm0_groups, ARRAY_SIZE(x1500_pwm0_groups), },
+	{ "pwm1", x1500_pwm1_groups, ARRAY_SIZE(x1500_pwm1_groups), },
+	{ "pwm2", x1500_pwm2_groups, ARRAY_SIZE(x1500_pwm2_groups), },
+	{ "pwm3", x1500_pwm3_groups, ARRAY_SIZE(x1500_pwm3_groups), },
+	{ "pwm4", x1500_pwm4_groups, ARRAY_SIZE(x1500_pwm4_groups), },
+};
+
+static const struct ingenic_chip_info x1500_chip_info = {
+	.num_chips = 4,
+	.groups = x1500_groups,
+	.num_groups = ARRAY_SIZE(x1500_groups),
+	.functions = x1500_functions,
+	.num_functions = ARRAY_SIZE(x1500_functions),
+	.pull_ups = x1000_pull_ups,
+	.pull_downs = x1000_pull_downs,
+};
+
 static u32 ingenic_gpio_read_reg(struct ingenic_gpio_chip *jzgc, u8 reg)
 {
 	unsigned int val;
@@ -1810,6 +1922,7 @@ static const struct of_device_id ingenic_pinctrl_of_match[] = {
 	{ .compatible = "ingenic,jz4780-pinctrl", .data = (void *) ID_JZ4780 },
 	{ .compatible = "ingenic,x1000-pinctrl", .data = (void *) ID_X1000 },
 	{ .compatible = "ingenic,x1000e-pinctrl", .data = (void *) ID_X1000E },
+	{ .compatible = "ingenic,x1500-pinctrl", .data = (void *) ID_X1500 },
 	{},
 };
 
@@ -1934,7 +2047,9 @@ static int __init ingenic_pinctrl_probe(struct platform_device *pdev)
 	else
 		jzpc->version = (enum jz_version)id->driver_data;
 
-	if (jzpc->version >= ID_X1000E)
+	if (jzpc->version >= ID_X1500)
+		chip_info = &x1500_chip_info;
+	else if (jzpc->version >= ID_X1000E)
 		chip_info = &x1000e_chip_info;
 	else if (jzpc->version >= ID_X1000)
 		chip_info = &x1000_chip_info;
@@ -2028,6 +2143,7 @@ static const struct platform_device_id ingenic_pinctrl_ids[] = {
 	{ "jz4780-pinctrl", ID_JZ4780 },
 	{ "x1000-pinctrl", ID_X1000 },
 	{ "x1000e-pinctrl", ID_X1000E },
+	{ "x1500-pinctrl", ID_X1500 },
 	{},
 };