linux-kernel - [PATCH v2 2/2] arm64: dts: allwinner: a64: Add lradc node

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Date:   Tue,  4 Jun 2019 19:21:54 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Luca Weiss <luca@...tu.xyz>, Hans de Goede <hdegoede@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        linux-input@...r.kernel.org (open list:SUN4I LOW RES ADC ATTACHED
        TABLET KEYS DRIVER),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Allwinner
        sunXi SoC support), linux-kernel@...r.kernel.org (open list),
        ~martijnbraam/pmos-upstream@...ts.sr.ht
Subject: [PATCH v2 2/2] arm64: dts: allwinner: a64: Add lradc node

Add a node describing the KEYADC on the A64.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
Changes since v1:
 - Use a a64 compatible with a fallback to the a83t one (the A64 also
   uses a 3/4 voltage divider, as is the case with the A83T)
 - Correct the reg property (size 0x100 => 0x400)

 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 8c5b521e6389..ba0ab1045e00 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -730,6 +730,14 @@
 			status = "disabled";
 		};
 
+		lradc: lradc@...1800 {
+			compatible = "allwinner,sun50i-a64-lradc",
+				     "allwinner,sun8i-a83t-r-lradc";
+			reg = <0x01c21800 0x400>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		i2s0: i2s@...2000 {
 			#sound-dai-cells = <0>;
 			compatible = "allwinner,sun50i-a64-i2s",
-- 
2.21.0