linux-kernel - [PATCH 8/9] arm64: dts: Add Librem5 Evergreen

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Date:   Tue, 12 Jan 2021 10:51:50 +0100
From:   Martin Kepplinger <martin.kepplinger@...i.sm>
To:     robh@...nel.org, shawnguo@...nel.org, festevam@...il.com
Cc:     kernel@...gutronix.de, linux-imx@....com, catalin.marinas@....com,
        will@...nel.org, krzk@...nel.org, kernel@...i.sm,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Martin Kepplinger <martin.kepplinger@...i.sm>
Subject: [PATCH 8/9] arm64: dts: Add Librem5 Evergreen

Add librem5-r4 with specifics to that revision like the near-level,
battery and charger properties. For schematics and more information,
see https://developer.puri.sm/Librem5/Hardware_Reference/Evergreen.html

Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm>
---
 arch/arm64/boot/dts/freescale/Makefile        |  1 +
 .../boot/dts/freescale/imx8mq-librem5-r4.dts  | 35 +++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 38559943c15d..e814ee98fecf 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r3.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-r4.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-nitrogen.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-phanbell.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-pico-pi.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dts
new file mode 100644
index 000000000000..cbfb49aa2563
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r4.dts
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (C) 2020 Purism SPC <kernel@...i.sm>
+
+/dts-v1/;
+
+#include "imx8mq-librem5.dtsi"
+
+/ {
+	model = "Purism Librem 5r4";
+	compatible = "purism,librem5r4", "purism,librem5", "fsl,imx8mq";
+};
+
+&accel_gyro {
+	mount-matrix =  "1",  "0",  "0",
+			"0",  "1",  "0",
+			"0",  "0", "-1";
+};
+
+&bat {
+	maxim,rsns-microohm = <1667>;
+};
+
+&bq25895 {
+	ti,battery-regulation-voltage = <4200000>; /* uV */
+	ti,charge-current = <1500000>; /* uA */
+	ti,termination-current = <144000>;  /* uA */
+};
+
+&led_backlight {
+	led-max-microamp = <25000>;
+};
+
+&proximity {
+	proximity-near-level = <10>;
+};
-- 
2.20.1