From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: [RFC PATCH v2 04/13] docs/dt: Document nvidia, tegra20-gpio's nvidia, enabled-gpios property Date: Mon, 15 Aug 2011 14:28:11 -0600 Message-ID: <1313440100-17131-5-git-send-email-swarren@nvidia.com> References: <1313440100-17131-1-git-send-email-swarren@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1313440100-17131-1-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@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-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org To: Grant Likely , Colin Cross , Erik Gilling , Olof Johansson Cc: Russell King , Sergei Shtylyov , Belisko Marek , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org Signed-off-by: Stephen Warren --- .../devicetree/bindings/gpio/gpio_nvidia.txt | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt index eb4b530..b22fff3 100644 --- a/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt +++ b/Documentation/devicetree/bindings/gpio/gpio_nvidia.txt @@ -6,3 +6,23 @@ Required properties: second cell is used to specify optional parameters: - bit 0 specifies polarity (0 for normal, 1 for inverted) - gpio-controller : Marks the device node as a GPIO controller. + +Optional properties: +- nvidia,enabled-gpios : The list of GPIOs that should be controlled by the + GPIO controller rather than the pinmux controller. + +Example of a gpio-controller node: + + gpio: gpio@6000d000 { + compatible = "nvidia,tegra20-gpio"; + reg = < 0x6000d000 0x1000 >; + interrupts = < 64 65 66 67 87 119 121 >; + #gpio-cells = <2>; + gpio-controller; + nvidia,enabled-gpios = < + 69 // TEGRA_GPIO_PI5 SD2_CD + 57 // TEGRA_GPIO_PH1 SD2_WP + 155 // TEGRA_GPIO_PT3 SD2_POWER + >; + }; + -- 1.7.0.4