[PATCH v7 2/3] arm/dts: AM33XX: Configure pinmuxs for user leds control on Bone

Adds GPIO pinctrl nodes to am3358_pinmux master node to control
user leds (USR0, USR1, USR2 and USR3) present on BeagleBone.

[koen at dominion.thruhere.net: led0, led1 suggested by koen]
Signed-off-by: AnilKumar Ch <redacted>
---
 arch/arm/boot/dts/am335x-bone.dts |   43 +++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index c634f87..b0a7409 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts

@@ -18,11 +18,54 @@
 		reg = <0x80000000 0x10000000>; /* 256 MB */
 	};
 
+	am33xx_pinmux: pinmux at 44e10800 {
+		userled_pins: pinmux_userled_pins {
+			pinctrl-single,pins = <
+				0x54 0x7	/* gpmc_a5.gpio1_21, OUTPUT | MODE7 */
+				0x58 0x17	/* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */
+				0x5c 0x7	/* gpmc_a7.gpio1_23, OUTPUT | MODE7 */
+				0x60 0x17	/* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */
+			>;
+		};
+	};
+
 	ocp {
 		uart1: serial at 44e09000 {
 			status = "okay";
 		};
 
+		leds {
+			compatible = "gpio-leds";
+			pinctrl-names = "default";
+			pinctrl-0 = <&userled_pins>;
+
+			heartbeat {
+				label = "beaglebone:green:usr0";
+				gpios = <&gpio2 21 0>;
+				linux,default-trigger = "heartbeat";
+				default-state = "off";
+			};
+
+			mmc {
+				label = "beaglebone:green:usr1";
+				gpios = <&gpio2 22 0>;
+				linux,default-trigger = "mmc0";
+				default-state = "off";
+			};
+
+			led2 {
+				label = "beaglebone:green:usr2";
+				gpios = <&gpio2 23 0>;
+				default-state = "off";
+			};
+
+			led3 {
+				label = "beaglebone:green:usr3";
+				gpios = <&gpio2 24 0>;
+				default-state = "off";
+			};
+		};
+
 		i2c1: i2c at 44e0b000 {
 			status = "okay";
 			clock-frequency = <400000>;

-- 
1.7.9.5

Op 6 sep. 2012, om 11:38 heeft AnilKumar Ch [off-list ref] het volgende geschreven:

Adds GPIO pinctrl nodes to am3358_pinmux master node to control
user leds (USR0, USR1, USR2 and USR3) present on BeagleBone.

[koen at dominion.thruhere.net: led0, led1 suggested by koen]
Signed-off-by: AnilKumar Ch <redacted>

Acked-by: Koen Kooi <redacted>

* Koen Kooi [off-list ref] [120907 01:46]:

Op 6 sep. 2012, om 11:38 heeft AnilKumar Ch [off-list ref] het volgende geschreven:

quoted

Adds GPIO pinctrl nodes to am3358_pinmux master node to control
user leds (USR0, USR1, USR2 and USR3) present on BeagleBone.

[koen at dominion.thruhere.net: led0, led1 suggested by koen]
Signed-off-by: AnilKumar Ch <redacted>

Acked-by: Koen Kooi <redacted>

This one still has the discussion going on about if GPIO pins
should be muxed by the GPIO controller in the "GPIO only" case
for gpio leds driver. But other than that:

Acked-by: Tony Lindgren <tony@atomide.com>
 

quoted

---
arch/arm/boot/dts/am335x-bone.dts |   43 +++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index c634f87..b0a7409 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts

@@ -18,11 +18,54 @@

		reg = <0x80000000 0x10000000>; /* 256 MB */
	};

+	am33xx_pinmux: pinmux at 44e10800 {
+		userled_pins: pinmux_userled_pins {
+			pinctrl-single,pins = <
+				0x54 0x7	/* gpmc_a5.gpio1_21, OUTPUT | MODE7 */
+				0x58 0x17	/* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */
+				0x5c 0x7	/* gpmc_a7.gpio1_23, OUTPUT | MODE7 */
+				0x60 0x17	/* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */
+			>;
+		};
+	};
+
	ocp {
		uart1: serial at 44e09000 {
			status = "okay";
		};

+		leds {
+			compatible = "gpio-leds";
+			pinctrl-names = "default";
+			pinctrl-0 = <&userled_pins>;
+
+			heartbeat {
+				label = "beaglebone:green:usr0";
+				gpios = <&gpio2 21 0>;
+				linux,default-trigger = "heartbeat";
+				default-state = "off";
+			};
+
+			mmc {
+				label = "beaglebone:green:usr1";
+				gpios = <&gpio2 22 0>;
+				linux,default-trigger = "mmc0";
+				default-state = "off";
+			};
+
+			led2 {
+				label = "beaglebone:green:usr2";
+				gpios = <&gpio2 23 0>;
+				default-state = "off";
+			};
+
+			led3 {
+				label = "beaglebone:green:usr3";
+				gpios = <&gpio2 24 0>;
+				default-state = "off";
+			};
+		};
+
		i2c1: i2c at 44e0b000 {
			status = "okay";
			clock-frequency = <400000>;
-- 
1.7.9.5

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