From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Subject: [PATCH v4 03/16] tegra: fdt: Add pwm binding and node Date: Thu, 27 Sep 2012 17:44:24 -0700 Message-ID: <1348793077-10126-4-git-send-email-sjg@chromium.org> References: <1348793077-10126-1-git-send-email-sjg@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1348793077-10126-1-git-send-email-sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: U-Boot Mailing List Cc: Stephen Warren , Devicetree Discuss , Jerry Van Baren , Tom Warren List-Id: devicetree@vger.kernel.org This binding will apparently soon be in linux-next. Bring it in now since we need to do something, and may as well try to target what Linux will have. Signed-off-by: Simon Glass --- Changes in v3: - Add new commit for pwm binding and node arch/arm/dts/tegra20.dtsi | 7 +++++++ doc/device-tree-bindings/pwm/tegra20-pwm.txt | 18 ++++++++++++++++++ 2 files changed, 25 insertions(+), 0 deletions(-) create mode 100644 doc/device-tree-bindings/pwm/tegra20-pwm.txt diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi index d936b1e..3221bc9 100644 --- a/arch/arm/dts/tegra20.dtsi +++ b/arch/arm/dts/tegra20.dtsi @@ -211,4 +211,11 @@ compatible = "nvidia,tegra20-nand"; reg = <0x70008000 0x100>; }; + + pwm: pwm@7000a000 { + compatible = "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; + }; diff --git a/doc/device-tree-bindings/pwm/tegra20-pwm.txt b/doc/device-tree-bindings/pwm/tegra20-pwm.txt new file mode 100644 index 0000000..bbbeedb --- /dev/null +++ b/doc/device-tree-bindings/pwm/tegra20-pwm.txt @@ -0,0 +1,18 @@ +Tegra SoC PWFM controller + +Required properties: +- compatible: should be one of: + - "nvidia,tegra20-pwm" + - "nvidia,tegra30-pwm" +- reg: physical base address and length of the controller's registers +- #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The + first cell specifies the per-chip index of the PWM to use and the second + cell is the duty cycle in nanoseconds. + +Example: + + pwm: pwm@7000a000 { + compatible = "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; -- 1.7.7.3