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* [PATCH] ARM: dts: imx7: use 3 PWM cells
@ 2017-05-16  7:40 Stefan Agner
  2017-05-16 11:49 ` Fabio Estevam
  2017-05-21  1:59 ` Shawn Guo
  0 siblings, 2 replies; 3+ messages in thread
From: Stefan Agner @ 2017-05-16  7:40 UTC (permalink / raw)
  To: linux-arm-kernel

The PWM driver has now capability to specify the PWM polarity
which is e.g. for backlight control. Allow to make use of PWM
polarity by specifying pwm-cells to be 3 in the base dt.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
 arch/arm/boot/dts/imx7-colibri.dtsi   | 2 +-
 arch/arm/boot/dts/imx7d-nitrogen7.dts | 2 +-
 arch/arm/boot/dts/imx7s.dtsi          | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 2d87489f9105..d7753f79937a 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -43,7 +43,7 @@
 / {
 	bl: backlight {
 		compatible = "pwm-backlight";
-		pwms = <&pwm1 0 5000000>;
+		pwms = <&pwm1 0 5000000 0>;
 	};
 
 	reg_module_3v3: regulator-module-3v3 {
diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts
index 5d98e2b5d54b..37a7c6f4f8f1 100644
--- a/arch/arm/boot/dts/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts
@@ -67,7 +67,7 @@
 
 	backlight-j20 {
 		compatible = "pwm-backlight";
-		pwms = <&pwm1 0 5000000>;
+		pwms = <&pwm1 0 5000000 0>;
 		brightness-levels = <0 4 8 16 32 64 128 255>;
 		default-brightness-level = <6>;
 		status = "okay";
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index c4f12fd2e044..56a2aeadfe65 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -609,7 +609,7 @@
 				clocks = <&clks IMX7D_PWM1_ROOT_CLK>,
 					 <&clks IMX7D_PWM1_ROOT_CLK>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -620,7 +620,7 @@
 				clocks = <&clks IMX7D_PWM2_ROOT_CLK>,
 					 <&clks IMX7D_PWM2_ROOT_CLK>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -631,7 +631,7 @@
 				clocks = <&clks IMX7D_PWM3_ROOT_CLK>,
 					 <&clks IMX7D_PWM3_ROOT_CLK>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
@@ -642,7 +642,7 @@
 				clocks = <&clks IMX7D_PWM4_ROOT_CLK>,
 					 <&clks IMX7D_PWM4_ROOT_CLK>;
 				clock-names = "ipg", "per";
-				#pwm-cells = <2>;
+				#pwm-cells = <3>;
 				status = "disabled";
 			};
 
-- 
2.13.0

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] ARM: dts: imx7: use 3 PWM cells
  2017-05-16  7:40 [PATCH] ARM: dts: imx7: use 3 PWM cells Stefan Agner
@ 2017-05-16 11:49 ` Fabio Estevam
  2017-05-21  1:59 ` Shawn Guo
  1 sibling, 0 replies; 3+ messages in thread
From: Fabio Estevam @ 2017-05-16 11:49 UTC (permalink / raw)
  To: linux-arm-kernel

On Tue, May 16, 2017 at 4:40 AM, Stefan Agner <stefan@agner.ch> wrote:
> The PWM driver has now capability to specify the PWM polarity
> which is e.g. for backlight control. Allow to make use of PWM
> polarity by specifying pwm-cells to be 3 in the base dt.
>
> Signed-off-by: Stefan Agner <stefan@agner.ch>

Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] ARM: dts: imx7: use 3 PWM cells
  2017-05-16  7:40 [PATCH] ARM: dts: imx7: use 3 PWM cells Stefan Agner
  2017-05-16 11:49 ` Fabio Estevam
@ 2017-05-21  1:59 ` Shawn Guo
  1 sibling, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2017-05-21  1:59 UTC (permalink / raw)
  To: linux-arm-kernel

On Tue, May 16, 2017 at 12:40:13AM -0700, Stefan Agner wrote:
> The PWM driver has now capability to specify the PWM polarity
> which is e.g. for backlight control. Allow to make use of PWM
> polarity by specifying pwm-cells to be 3 in the base dt.
> 
> Signed-off-by: Stefan Agner <stefan@agner.ch>

Applied, thanks.

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2017-05-16  7:40 [PATCH] ARM: dts: imx7: use 3 PWM cells Stefan Agner
2017-05-16 11:49 ` Fabio Estevam
2017-05-21  1:59 ` Shawn Guo

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