From: Dmitry Osipenko Date: Tue, 2 Mar 2021 10:21:58 +0000 (+0300) Subject: ARM: tegra: acer-a500: Add atmel,wakeup-method property X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3a6c267dd7b8822eb722835b503c5a438cbd3700;p=linux.git ARM: tegra: acer-a500: Add atmel,wakeup-method property Acer A500 uses Atmel Maxtouch 1386 touchscreen controller. This controller has WAKE line which could be connected to I2C clock lane, dedicated GPIO or fixed to HIGH level. Controller wakes up from a deep sleep when WAKE line is asserted low. Acer A500 has WAKE line connected to I2C clock and Linux device driver doesn't work property without knowing what wakeup method is used by h/w. Add atmel,wakeup-method property to the touchscreen node. Signed-off-by: Dmitry Osipenko [treding@nvidia.com: use literal to avoid dependency on header file] Signed-off-by: Thierry Reding --- diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index 2c6cb7de57f7c..2298fc034183b 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -450,6 +450,8 @@ vdda-supply = <&vdd_3v3_sys>; vdd-supply = <&vdd_3v3_sys>; + + atmel,wakeup-method = <1>; }; gyroscope@68 {