From: Levin Du <djw@xxxxxxxxxxxxx>
Adding a GRF GPIO controller labled "grf_gpio" to rk3328, currently
providing access to the GPIO_MUTE pin, which is manupulated by the
GRF_SOC_CON10 register.
The GPIO_MUTE pin is referred to as <&grf_gpio 0>.
Signed-off-by: Levin Du <djw@xxxxxxxxxxxxx>
---
Changes in v4:
- Use binding of "rockchip,rk3328-grf-gpio"
Changes in v3:
- Use dedicated "rockchip,rk3328-gpio-mute" driver
Changes in v2:
- Rename gpio_syscon10 to gpio_mute in rk3328.dtsi
Changes in v1:
- Split from V0 and add to rk3328.dtsi for general use.
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 3f5a294..bf5656d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -275,6 +275,12 @@
mode-loader = <BOOT_BL_DOWNLOAD>;
};
+ grf_gpio: grf-gpio {
+ compatible = "rockchip,rk3328-grf-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
};
uart0: serial@ff110000 {
--
2.7.4
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