sh-pfc: r8a73a4: Support sparse GPIO numbers

The r8a73a4 SoC has sparse GPIO numbers. Declare ranges for pin numbers
in the PFC SoC data. Pin numbers shall be used with the GPIO API from
this point on.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/include/mach/r8a73a4.h

@@ -86,7 +86,7 @@ enum {
 	GPIO_PORT325, GPIO_PORT326, GPIO_PORT327, GPIO_PORT328, GPIO_PORT329,
 
 	/* Port0 */
-	GPIO_FN_LCDD0,
+	GPIO_FN_LCDD0 = 330,
 	GPIO_FN_PDM2_CLK_0,
 	GPIO_FN_DU0_DR0,
 	GPIO_FN_IRQ0,

drivers/pinctrl/sh-pfc/pfc-r8a73a4.c

@@ -1424,6 +1424,20 @@ static struct sh_pfc_pin pinmux_pins[] = {
 	GPIO_PORT_ALL(),
 };
 
+static const struct pinmux_range pinmux_ranges[] = {
+	{.begin = 0, .end = 30,},
+	{.begin = 32, .end = 40,},
+	{.begin = 64, .end = 85,},
+	{.begin = 96, .end = 126,},
+	{.begin = 128, .end = 134,},
+	{.begin = 160, .end = 178,},
+	{.begin = 192, .end = 222,},
+	{.begin = 224, .end = 250,},
+	{.begin = 256, .end = 283,},
+	{.begin = 288, .end = 308,},
+	{.begin = 320, .end = 329,},
+};
+
 #define PINMUX_FN_BASE	ARRAY_SIZE(pinmux_pins)
 
 static const struct pinmux_func pinmux_func_gpios[] = {
@@ -2815,6 +2829,8 @@ const struct sh_pfc_soc_info r8a73a4_pinmux_info = {
 
 	.pins = pinmux_pins,
 	.nr_pins = ARRAY_SIZE(pinmux_pins),
+	.ranges = pinmux_ranges,
+	.nr_ranges = ARRAY_SIZE(pinmux_ranges),
 	.func_gpios = pinmux_func_gpios,
 	.nr_func_gpios = ARRAY_SIZE(pinmux_func_gpios),