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@puri.sm>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 17fc731da700b22a67ae3f165c8f5c7ce2456ed4..44a20b89b1ef962aca23b9cb4f40aede88d17d87 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -49,6 +49,7 @@ 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 (file)
index 0000000..cbfb49a
--- /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@puri.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>;
+};