[RFC PATCH v2 04/13] docs/dt: Document nvidia, tegra20-gpio's nvidia, enabled-gpios property
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STALE5525d
From: Stephen Warren <hidden>
Date: 2011-08-15 20:28:54
Also in:
linux-devicetree, linux-tegra, lkml
Subsystem:
gpio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- rfc [diff vs current]
- v2 current
- v3 [diff vs current]
Signed-off-by: Stephen Warren <redacted> --- .../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 at 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 + >; + }; +
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1.7.0.4