From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bhuvanchandra DV Subject: [PATCH 1/3] arm: dts: imx7: Update #pwm-cells for PWM polarity control Date: Mon, 19 Sep 2016 19:53:45 +0530 Message-ID: <20160919142347.11342-2-bhuvanchandra.dv@toradex.com> References: <20160919142347.11342-1-bhuvanchandra.dv@toradex.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160919142347.11342-1-bhuvanchandra.dv@toradex.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: shawnguo@kernel.org Cc: mark.rutland@arm.com, linux-pwm@vger.kernel.org, Bhuvanchandra DV , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stefan@agner.ch, robh+dt@kernel.org, thierry.reding@gmail.com, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Update #pwm-cells to 3 in order to support PWM signal polarity control. Signed-off-by: Bhuvanchandra DV --- Documentation/devicetree/bindings/pwm/imx-pwm.txt | 6 +++--- arch/arm/boot/dts/imx7s.dtsi | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt index e00c2e9..c61bdf8 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 and newer SoCs. 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/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 0d7d5ac..8d1d471 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -601,7 +601,7 @@ clocks = <&clks IMX7D_PWM1_ROOT_CLK>, <&clks IMX7D_PWM1_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -612,7 +612,7 @@ clocks = <&clks IMX7D_PWM2_ROOT_CLK>, <&clks IMX7D_PWM2_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -623,7 +623,7 @@ clocks = <&clks IMX7D_PWM3_ROOT_CLK>, <&clks IMX7D_PWM3_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; @@ -634,7 +634,7 @@ clocks = <&clks IMX7D_PWM4_ROOT_CLK>, <&clks IMX7D_PWM4_ROOT_CLK>; clock-names = "ipg", "per"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; -- 2.9.2