pinctrl: qcom: fix DT compatibility

Upstream devicetrees label GPIOs with "gpioX", not "GPIO_X", fix this
for SoCs where we're now using upstream DT.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

drivers/pinctrl/qcom/pinctrl-apq8016.c

@@ -14,18 +14,18 @@
 #define MAX_PIN_NAME_LEN 32
 static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
 static const char * const msm_pinctrl_pins[] = {
-	"SDC1_CLK",
-	"SDC1_CMD",
-	"SDC1_DATA",
-	"SDC2_CLK",
-	"SDC2_CMD",
-	"SDC2_DATA",
-	"QDSD_CLK",
-	"QDSD_CMD",
-	"QDSD_DATA0",
-	"QDSD_DATA1",
-	"QDSD_DATA2",
-	"QDSD_DATA3",
+	"sdc1_clk",
+	"sdc1_cmd",
+	"sdc1_data",
+	"sdc2_clk",
+	"sdc2_cmd",
+	"sdc2_data",
+	"qdsd_clk",
+	"qdsd_cmd",
+	"qdsd_data0",
+	"qdsd_data1",
+	"qdsd_data2",
+	"qdsd_data3",
 };
 
 static const struct pinctrl_function msm_pinctrl_functions[] = {
@@ -42,7 +42,7 @@ static const char *apq8016_get_pin_name(struct udevice *dev,
 					unsigned int selector)
 {
 	if (selector < 122) {
-		snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
 		return pin_name;
 	} else {
 		return msm_pinctrl_pins[selector - 122];

drivers/pinctrl/qcom/pinctrl-apq8096.c

@@ -14,13 +14,13 @@
 #define MAX_PIN_NAME_LEN 32
 static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
 static const char * const msm_pinctrl_pins[] = {
-	"SDC1_CLK",
-	"SDC1_CMD",
-	"SDC1_DATA",
-	"SDC2_CLK",
-	"SDC2_CMD",
-	"SDC2_DATA",
-	"SDC1_RCLK",
+	"sdc1_clk",
+	"sdc1_cmd",
+	"sdc1_data",
+	"sdc2_clk",
+	"sdc2_cmd",
+	"sdc2_data",
+	"sdc1_rclk",
 };
 
 static const struct pinctrl_function msm_pinctrl_functions[] = {
@@ -37,7 +37,7 @@ static const char *apq8096_get_pin_name(struct udevice *dev,
 					unsigned int selector)
 {
 	if (selector < 150) {
-		snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
 		return pin_name;
 	} else {
 		return msm_pinctrl_pins[selector - 150];

drivers/pinctrl/qcom/pinctrl-qcs404.c

@@ -10,20 +10,24 @@
 
 #include "pinctrl-qcom.h"
 
+#define NORTH	0x00300000
+#define SOUTH	0x00000000
+#define EAST	0x06b00000
+
 #define MAX_PIN_NAME_LEN 32
 static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
 static const char * const msm_pinctrl_pins[] = {
-	"SDC1_RCLK",
-	"SDC1_CLK",
-	"SDC1_CMD",
-	"SDC1_DATA",
-	"SDC2_CLK",
-	"SDC2_CMD",
-	"SDC2_DATA",
+	"sdc1_rclk",
+	"sdc1_clk",
+	"sdc1_cmd",
+	"sdc1_data",
+	"sdc2_clk",
+	"sdc2_cmd",
+	"sdc2_data",
 };
 
 static const struct pinctrl_function msm_pinctrl_functions[] = {
-	{"blsp_uart2", 1},
+	{"gpio", 0},
 	{"rgmii_int", 1},
 	{"rgmii_ck", 1},
 	{"rgmii_tx", 1},
@@ -37,6 +41,40 @@ static const struct pinctrl_function msm_pinctrl_functions[] = {
 	{"blsp_i2c_scl_a2", 3},
 	{"blsp_i2c3", 2},
 	{"blsp_i2c4", 1},
+	{"blsp_uart_tx_a2", 1},
+	{"blsp_uart_rx_a2", 1},
+};
+
+static const unsigned int qcs404_pin_offsets[] = {
+	[0] = SOUTH,    [1] = SOUTH,    [2] = SOUTH,    [3] = SOUTH,    [4] = SOUTH,
+	[5] = SOUTH,   [6] = SOUTH,   [7] = SOUTH,   [8] = SOUTH,    [9] = SOUTH,
+	[10] = SOUTH,   [11] = SOUTH,   [12] = SOUTH,  [13] = SOUTH,  [14] = SOUTH,
+	[15] = SOUTH,  [16] = SOUTH,  [17] = NORTH,  [18] = NORTH,  [19] = NORTH,
+	[20] = NORTH,  [21] = SOUTH,  [22] = NORTH,  [23] = NORTH,  [24] = NORTH,
+	[25] = NORTH,  [26] = EAST,  [27] = EAST,   [28] = EAST,   [29] = EAST,
+	[30] = NORTH,   [31] = NORTH,  [32] = NORTH,  [33] = NORTH,  [34] = SOUTH,
+	[35] = SOUTH,  [36] = NORTH,  [37] = NORTH,  [38] = NORTH,  [39] = EAST,
+	[40] = EAST,  [41] = EAST,   [42] = EAST,   [43] = EAST,   [44] = EAST,
+	[45] = EAST,   [46] = EAST,   [47] = EAST,   [48] = EAST,   [49] = EAST,
+	[50] = EAST,  [51] = EAST,  [52] = EAST,  [53] = EAST,  [54] = EAST,
+	[55] = EAST,  [56] = EAST,  [57] = EAST,  [58] = EAST,  [59] = EAST,
+	[60] = NORTH,  [61] = NORTH,  [62] = NORTH,  [63] = NORTH,  [64] = NORTH,
+	[65] = NORTH,  [66] = NORTH,  [67] = NORTH,  [68] = NORTH,  [69] = NORTH,
+	[70] = NORTH,   [71] = NORTH,   [72] = NORTH,   [73] = NORTH,   [74] = NORTH,
+	[75] = NORTH,   [76] = NORTH,   [77] = NORTH,   [78] = EAST,   [79] = EAST,
+	[80] = EAST,  [81] = EAST,  [82] = NORTH,  [83] = NORTH,  [84] = NORTH,
+	[85] = NORTH,   [86] = EAST,   [87] = EAST,   [88] = EAST,   [89] = EAST,
+	[90] = EAST,  [91] = EAST,  [92] = EAST,  [93] = EAST,  [94] = EAST,
+	[95] = EAST,  [96] = EAST,  [97] = EAST,  [98] = EAST,  [99] = EAST,
+	[100] = EAST, [101] = EAST, [102] = EAST, [103] = EAST, [104] = EAST,
+	[105] = EAST, [106] = EAST, [107] = EAST, [108] = EAST, [109] = EAST,
+	[110] = EAST, [111] = EAST, [112] = EAST, [113] = EAST, [114] = EAST,
+	[115] = EAST, [116] = EAST, [117] = NORTH, [118] = NORTH, [119] = EAST,
+	/*
+	 * There's 126 pins but the last ones are special and have non-standard registers
+	 * so we leave them out here. The pinctrl and GPIO drivers both currently ignore
+	 * these pins.
+	 */
 };
 
 static const char *qcs404_get_function_name(struct udevice *dev,
@@ -49,7 +87,7 @@ static const char *qcs404_get_pin_name(struct udevice *dev,
 				       unsigned int selector)
 {
 	if (selector < 120) {
-		snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
 		return pin_name;
 	} else {
 		return msm_pinctrl_pins[selector - 120];
@@ -64,6 +102,7 @@ static unsigned int qcs404_get_function_mux(unsigned int selector)
 static const struct msm_pinctrl_data qcs404_data = {
 	.pin_data = {
 		.pin_count = 126,
+		.pin_offsets = qcs404_pin_offsets,
 		.special_pins_start = 120,
 	},
 	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),