From a97e7559fb82ddf9be12c5d31adbd35937f24ce7 Mon Sep 17 00:00:00 2001 From: Bhuvanchandra DV Date: Tue, 6 Sep 2016 14:17:03 +0530 Subject: arm: dts: imx7: Add support for PWM polarity control Update #pwm-cells to 3 in order to support PWM signal polarity control. Signed-off-by: Bhuvanchandra DV Signed-off-by: Stefan Agner --- Documentation/devicetree/bindings/pwm/imx-pwm.txt | 6 +++--- arch/arm/boot/dts/imx7-colibri.dtsi | 2 +- arch/arm/boot/dts/imx7s.dtsi | 8 ++++---- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt index e00c2e9f484d..c4c2b2cdf34b 100644 --- a/Documentation/devicetree/bindings/pwm/imx-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/imx-pwm.txt @@ -6,8 +6,8 @@ Required properties: - "fsl,imx1-pwm" for PWM compatible with the one integrated on i.MX1 - "fsl,imx27-pwm" for PWM compatible with the one integrated on i.MX27 - reg: physical base address and length of the controller's registers -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of - the cells format. +- #pwm-cells: 2 for i.MX1 and 3 for i.MX27. See pwm.txt in this directory for + a description of the cells format. - clocks : Clock specifiers for both ipg and per clocks. - clock-names : Clock names should include both "ipg" and "per" See the clock consumer binding, @@ -17,7 +17,7 @@ See the clock consumer binding, Example: pwm1: pwm@53fb4000 { - #pwm-cells = <2>; + #pwm-cells = <3>; compatible = "fsl,imx53-pwm", "fsl,imx27-pwm"; reg = <0x53fb4000 0x4000>; clocks = <&clks IMX5_CLK_PWM1_IPG_GATE>, diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi index 8a40f73cba74..db7fdb6a0ebd 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -15,7 +15,7 @@ compatible = "pwm-backlight"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio_bl_on>; - pwms = <&pwm1 0 5000000>; + pwms = <&pwm1 0 5000000 0>; enable-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 77155bbfebb7..d7e1373f16eb 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -743,7 +743,7 @@ clocks = <&clks IMX7D_PWM1_ROOT_CLK>, <&clks IMX7D_PWM1_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -754,7 +754,7 @@ clocks = <&clks IMX7D_PWM2_ROOT_CLK>, <&clks IMX7D_PWM2_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -765,7 +765,7 @@ clocks = <&clks IMX7D_PWM3_ROOT_CLK>, <&clks IMX7D_PWM3_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -776,7 +776,7 @@ clocks = <&clks IMX7D_PWM4_ROOT_CLK>, <&clks IMX7D_PWM4_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; -- cgit v1.2.3