[PATCH 11/11] arm64: tegra: Add GPIO expanders on P2771
From: jonathanh@nvidia.com (Jon Hunter)
Date: 2017-03-08 12:11:46
Also in:
linux-tegra
On 23/02/17 17:30, Thierry Reding wrote:
quoted hunk ↗ jump to hunk
From: Thierry Reding <redacted> The P2771 development board expands the number of GPIOs via two I2C chips. Signed-off-by: Thierry Reding <redacted> --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 9485841e3351..eac75764bf3c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts@@ -18,6 +18,28 @@ compatible = "ti,ina3221"; reg = <0x43>; }; + + exp1: gpio at 74 { + compatible = "ti,tca9539"; + reg = <0x74>; + + interrupt-parent = <&gpio>; + interrupts = <TEGRA_MAIN_GPIO(Y, 0) GPIO_ACTIVE_LOW>; + + #gpio-cells = <2>; + gpio-controller; + }; + + exp2: gpio at 77 { + compatible = "ti,tca9539"; + reg = <0x77>; + + interrupt-parent = <&gpio>; + interrupts = <TEGRA_MAIN_GPIO(Y, 6) GPIO_ACTIVE_LOW>; + + #gpio-cells = <2>; + gpio-controller; + }; }; gpio-keys {
Acked-by: Jon Hunter <jonathanh@nvidia.com> Cheers Jon -- nvpublic