From d3e815eaab582398ac2257d73399c8cf741bf64b Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 16 Nov 2020 22:48:27 +0300 Subject: [PATCH] ARM: tegra: acer-a500: Add Embedded Controller This patch adds device-tree node for the Embedded Controller which is found on the Picasso board. The Embedded Controller itself is ENE KB930, it provides functions like battery-gauge/LED/GPIO/etc and it uses firmware that is specifically customized for the Acer A500 device. Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20-acer-a500-picasso.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index dd6fb13..9dafd3d 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -512,6 +512,16 @@ reg = <1>; #address-cells = <1>; #size-cells = <0>; + + embedded-controller@58 { + compatible = "acer,a500-iconia-ec", "ene,kb930"; + reg = <0x58>; + + system-power-controller; + + monitored-battery = <&bat1010>; + power-supplies = <&mains>; + }; }; }; @@ -794,6 +804,13 @@ default-brightness-level = <20>; }; + bat1010: battery-2s1p { + compatible = "simple-battery"; + charge-full-design-microamp-hours = <3260000>; + energy-full-design-microwatt-hours = <24000000>; + operating-range-celsius = <0 40>; + }; + /* PMIC has a built-in 32KHz oscillator which is used by PMC */ clk32k_in: clock@0 { compatible = "fixed-clock"; -- 2.7.4