SPEAr3xx: Add pinctrl support for boards

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>

arch/arm/boot/dts/spear300-evb.dts

@@ -25,6 +25,44 @@ memory {
 	};
 
 	ahb {
+		pinmux@99000000 {
+			st,pinmux-mode = <2>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&state_default>;
+
+			state_default: pinmux {
+				i2c0 {
+					st,pins = "i2c0_grp";
+					st,function = "i2c0";
+				};
+				ssp0 {
+					st,pins = "ssp0_grp";
+					st,function = "ssp0";
+				};
+				mii0 {
+					st,pins = "mii0_grp";
+					st,function = "mii0";
+				};
+				uart0 {
+					st,pins = "uart0_grp";
+					st,function = "uart0";
+				};
+				clcd {
+					st,pins = "clcd_pfmode_grp";
+					st,function = "clcd";
+				};
+				sdhci {
+					st,pins = "sdhci_4bit_grp";
+					st,function = "sdhci";
+				};
+				gpio1 {
+					st,pins = "gpio1_4_to_7_grp",
+						"gpio1_0_to_3_grp";
+					st,function = "gpio1";
+				};
+			};
+		};
+
 		clcd@60000000 {
 			status = "okay";
 		};

arch/arm/boot/dts/spear300.dtsi

@@ -21,6 +21,11 @@ ahb {
 		ranges = <0x60000000 0x60000000 0x50000000
 			  0xd0000000 0xd0000000 0x30000000>;
 
+		pinmux@99000000 {
+			compatible = "st,spear300-pinmux";
+			reg = <0x99000000 0x1000>;
+		};
+
 		clcd@60000000 {
 			compatible = "arm,clcd-pl110", "arm,primecell";
 			reg = <0x60000000 0x1000>;

arch/arm/boot/dts/spear310-evb.dts

@@ -25,6 +25,67 @@ memory {
 	};
 
 	ahb {
+		pinmux@b4000000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&state_default>;
+
+			state_default: pinmux {
+				gpio0 {
+					st,pins = "gpio0_pin0_grp",
+						"gpio0_pin1_grp",
+						"gpio0_pin2_grp",
+						"gpio0_pin3_grp",
+						"gpio0_pin4_grp",
+						"gpio0_pin5_grp";
+					st,function = "gpio0";
+				};
+				i2c0 {
+					st,pins = "i2c0_grp";
+					st,function = "i2c0";
+				};
+				mii0 {
+					st,pins = "mii0_grp";
+					st,function = "mii0";
+				};
+				ssp0 {
+					st,pins = "ssp0_grp";
+					st,function = "ssp0";
+				};
+				uart0 {
+					st,pins = "uart0_grp";
+					st,function = "uart0";
+				};
+				emi {
+					st,pins = "emi_cs_0_to_5_grp";
+					st,function = "emi";
+				};
+				fsmc {
+					st,pins = "fsmc_grp";
+					st,function = "fsmc";
+				};
+				uart1 {
+					st,pins = "uart1_grp";
+					st,function = "uart1";
+				};
+				uart2 {
+					st,pins = "uart2_grp";
+					st,function = "uart2";
+				};
+				uart3 {
+					st,pins = "uart3_grp";
+					st,function = "uart3";
+				};
+				uart4 {
+					st,pins = "uart4_grp";
+					st,function = "uart4";
+				};
+				uart5 {
+					st,pins = "uart5_grp";
+					st,function = "uart5";
+				};
+			};
+		};
+
 		dma@fc400000 {
 			status = "okay";
 		};

arch/arm/boot/dts/spear310.dtsi

@@ -22,6 +22,11 @@ ahb {
 			  0xb0000000 0xb0000000 0x10000000
 			  0xd0000000 0xd0000000 0x30000000>;
 
+		pinmux@b4000000 {
+			compatible = "st,spear310-pinmux";
+			reg = <0xb4000000 0x1000>;
+		};
+
 		fsmc: flash@44000000 {
 			compatible = "st,spear600-fsmc-nand";
 			#address-cells = <1>;

arch/arm/boot/dts/spear320-evb.dts

@@ -25,6 +25,67 @@ memory {
 	};
 
 	ahb {
+		pinmux@b3000000 {
+			st,pinmux-mode = <3>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&state_default>;
+
+			state_default: pinmux {
+				i2c0 {
+					st,pins = "i2c0_grp";
+					st,function = "i2c0";
+				};
+				mii0 {
+					st,pins = "mii0_grp";
+					st,function = "mii0";
+				};
+				ssp0 {
+					st,pins = "ssp0_grp";
+					st,function = "ssp0";
+				};
+				uart0 {
+					st,pins = "uart0_grp";
+					st,function = "uart0";
+				};
+				sdhci {
+					st,pins = "sdhci_cd_51_grp";
+					st,function = "sdhci";
+				};
+				i2s {
+					st,pins = "i2s_grp";
+					st,function = "i2s";
+				};
+				uart1 {
+					st,pins = "uart1_grp";
+					st,function = "uart1";
+				};
+				uart2 {
+					st,pins = "uart2_grp";
+					st,function = "uart2";
+				};
+				can0 {
+					st,pins = "can0_grp";
+					st,function = "can0";
+				};
+				can1 {
+					st,pins = "can1_grp";
+					st,function = "can1";
+				};
+				mii2 {
+					st,pins = "mii2_grp";
+					st,function = "mii2";
+				};
+				pwm0_1 {
+					st,pins = "pwm0_1_pin_14_15_grp";
+					st,function = "pwm0_1";
+				};
+				pwm2 {
+					st,pins = "pwm2_pin_13_grp";
+					st,function = "pwm2";
+				};
+			};
+		};
+
 		clcd@90000000 {
 			status = "okay";
 		};

arch/arm/boot/dts/spear320.dtsi

@@ -18,9 +18,14 @@ ahb {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "simple-bus";
-		ranges = <0x40000000 0x40000000 0x70000000
+		ranges = <0x40000000 0x40000000 0x80000000
 			  0xd0000000 0xd0000000 0x30000000>;
 
+		pinmux@b3000000 {
+			compatible = "st,spear320-pinmux";
+			reg = <0xb3000000 0x1000>;
+		};
+
 		clcd@90000000 {
 			compatible = "arm,clcd-pl110", "arm,primecell";
 			reg = <0x90000000 0x1000>;

arch/arm/mach-spear3xx/Kconfig

@@ -7,16 +7,19 @@ if ARCH_SPEAR3XX
 menu "SPEAr3xx Implementations"
 config MACH_SPEAR300
 	bool "SPEAr300 Machine support with Device Tree"
+	select PINCTRL_SPEAR300
 	help
 	  Supports ST SPEAr300 machine configured via the device-tree
 
 config MACH_SPEAR310
 	bool "SPEAr310 Machine support with Device Tree"
+	select PINCTRL_SPEAR310
 	help
 	  Supports ST SPEAr310 machine configured via the device-tree
 
 config MACH_SPEAR320
 	bool "SPEAr320 Machine support with Device Tree"
+	select PINCTRL_SPEAR320
 	help
 	  Supports ST SPEAr320 machine configured via the device-tree
 endmenu

arch/arm/plat-spear/Kconfig

@@ -13,6 +13,7 @@ config ARCH_SPEAR3XX
 	select ARM_VIC
 	select CPU_ARM926T
 	select USE_OF
+	select PINCTRL
 	help
 	  Supports for ARM's SPEAR3XX family