diff options
| author | Chris Morgan <macromorgan@hotmail.com> | 2023-09-18 20:32:55 +0300 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2023-10-05 00:01:48 +0300 |
| commit | f48a288a4a65bc8c3830b4295afb98101f234412 (patch) | |
| tree | 5d049ce9d1ad85604708869a7317fa91fcc00870 /arch/arm64/boot/dts/rockchip | |
| parent | aee432b50f6e15886bddcb6f92028265db4b254e (diff) | |
| download | linux-f48a288a4a65bc8c3830b4295afb98101f234412.tar.xz | |
arm64: dts: rockchip: Add saradc node to Indiedroid Nova
Add ADC support for the Indiedroid Nova, as well as the two ADC buttons
found on the device. The buttons are documented as "boot" and
"recovery". The boot button is used by the bootloader to boot into USB
recovery mode. The recovery button use is currently unknown.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20230918173255.1325-4-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts index 1e2336d3065b..60f00ceb630e 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts @@ -3,6 +3,7 @@ /dts-v1/; #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/linux-event-codes.h> #include <dt-bindings/pinctrl/rockchip.h> #include <dt-bindings/usb/pd.h> #include "rk3588s.dtsi" @@ -11,6 +12,34 @@ model = "Indiedroid Nova"; compatible = "indiedroid,nova", "rockchip,rk3588s"; + adc-keys-0 { + compatible = "adc-keys"; + io-channel-names = "buttons"; + io-channels = <&saradc 0>; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-boot { + label = "boot"; + linux,code = <KEY_PROG1>; + press-threshold-microvolt = <18000>; + }; + }; + + adc-keys-1 { + compatible = "adc-keys"; + io-channel-names = "buttons"; + io-channels = <&saradc 1>; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-recovery { + label = "recovery"; + linux,code = <KEY_PROG2>; + press-threshold-microvolt = <18000>; + }; + }; + aliases { mmc0 = &sdhci; mmc1 = &sdmmc; @@ -410,6 +439,11 @@ }; }; +&saradc { + vref-supply = <&vcca_1v8_s0>; + status = "okay"; +}; + /* HS400 modes seemed to cause io errors. */ &sdhci { bus-width = <8>; |