[PATCH v6 12/12] gpio: dt-bindings: add bindings for Rockchip RK805 PMIC
From: Jianhong Chen <hidden>
Date: 2017-06-08 07:35:04
Also in:
linux-devicetree, linux-gpio, linux-rockchip, 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
From: chenjh <redacted> Add device tree bindings documentation for Rockchip's RK805 PMIC Signed-off-by: chenjh <redacted> --- .../devicetree/bindings/gpio/gpio-rk805.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rk805.txt
diff --git a/Documentation/devicetree/bindings/gpio/gpio-rk805.txt b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt
new file mode 100644
index 0000000..98b75fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt@@ -0,0 +1,37 @@ +RK805 GPIO controller + +This driver follows the usual GPIO bindings found in +Documentation/devicetree/bindings/gpio/gpio.txt + +Required properties: +- #gpio-cells: Should be two. The first cell is the pin number and the + second is the GPIO flags. +- gpio-controller: Marks the device node as a GPIO controller. + +These properties must be added in the RK805 PMIC node, documented in +Documentation/devicetree/bindings/mfd/rk808.txt + +Example: + +rk805: pmic@18 { + compatible = "rockchip,rk808"; + clock-output-names = "xin32k", "rk808-clkout2"; + interrupt-parent = <&gpio0>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + reg = <0x1a>; + rockchip,system-power-controller; + wakeup-source; + #clock-cells = <1>; + ... + gpio-controller; + #gpio-cells = <2>; +}; + + +Example of a peripheral using the PMIC GPIOs: + +wireless-bluetooth { + compatible = "bluetooth-platdata"; + ... + gpios = <&rk805 0 GPIO_ACTIVE_HIGH>, <&rk805 1 GPIO_ACTIVE_HIGH>; +};
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1.9.1