Gentle ping

On 27/10/15 14:15, Uri Mashiach wrote:
From: Ilya Ledvich <i...@compulab.co.il>

Add pinmux configuration for ECAP0 pin.
Add node for PWM backlight device.
Use PWM output from ecap0 as backlight source.

Acked-by: Igor Grinberg <grinb...@compulab.co.il>
Signed-off-by: Ilya Ledvich <i...@compulab.co.il>
Signed-off-by: Uri Mashiach <uri.mashi...@compulab.co.il>
---
  arch/arm/boot/dts/am335x-cm-t335.dts | 24 ++++++++++++++++++++++++
  1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts 
b/arch/arm/boot/dts/am335x-cm-t335.dts
index 0296d3f..571a453 100644
--- a/arch/arm/boot/dts/am335x-cm-t335.dts
+++ b/arch/arm/boot/dts/am335x-cm-t335.dts
@@ -39,6 +39,13 @@
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
        };
+
+       backlight {
+               compatible = "pwm-backlight";
+               pwms = <&ecap0 0 50000 0>;
+               brightness-levels = <0 51 53 56 62 75 101 152 255>;
+               default-brightness-level = <8>;
+       };
  };

  &am33xx_pinmux {
@@ -113,6 +120,13 @@
                >;
        };

+       ecap0_pins: pinmux_ecap0_pins {
+               pinctrl-single,pins = <
+                       /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
+                       0x164 0x0
+               >;
+       };
+
        cpsw_default: cpsw_default {
                pinctrl-single,pins = <
                        /* Slave 1 */
@@ -222,6 +236,16 @@
        };
  };

+&epwmss0 {
+       status = "okay";
+
+       ecap0: ecap@48300100 {
+               status = "okay";
+               pinctrl-names = "default";
+               pinctrl-0 = <&ecap0_pins>;
+       };
+};
+
  &gpmc {
        status = "okay";
        pinctrl-names = "default";

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