From mboxrd@z Thu Jan 1 00:00:00 1970 From: djw@t-chip.com.cn (djw at t-chip.com.cn) Date: Thu, 31 May 2018 11:27:51 +0800 Subject: [PATCH v3 3/5] arm64: dts: rockchip: Add GPIO_MUTE pin support to rk3328 In-Reply-To: <1527737273-8387-1-git-send-email-djw@t-chip.com.cn> References: <1527737273-8387-1-git-send-email-djw@t-chip.com.cn> Message-ID: <1527737273-8387-4-git-send-email-djw@t-chip.com.cn> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Levin Du Adding a new gpio controller named "gpio_mute" to rk3328, providing access to the GPIO_MUTE pin, which is manupulated by the GRF_SOC_CON10 register. The GPIO_MUTE pin is referred to as <&gpio_mute 0>. Signed-off-by: Levin Du --- 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 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi index be2bfbc..2ee0fa3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -309,6 +309,13 @@ mode-loader = ; }; + /* Use <&gpio_mute 0> to refer to GPIO_MUTE pin */ + gpio_mute: gpio-mute { + compatible = "rockchip,rk3328-gpio-mute"; + gpio-controller; + #gpio-cells = <2>; + status = "disabled"; + }; }; uart0: serial at ff110000 { -- 2.7.4