This adds the initial device tree support for Xiaomi
Redmi Note 7 (codename lavender) phone. It is based on
SDM660 SoC. Currently it can be booted into initrd with
a shell over UART and you can also get kernel boot logs
from a pstore-ramoops.
Signed-off-by: Alexey Minnekhanov <alexey.min@xxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../boot/dts/qcom/sdm660-xiaomi-lavender.dts | 46 +++++++++++++++++++
2 files changed, 47 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index cc103f7020fd..0f2c33d611df 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8998-hp-envy-x2.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8998-lenovo-miix-630.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8998-mtp.dtb
dtb-$(CONFIG_ARCH_QCOM) += sc7180-idp.dtb
+dtb-$(CONFIG_ARCH_QCOM) += sdm660-xiaomi-lavender.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r1.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r2.dtb
dtb-$(CONFIG_ARCH_QCOM) += sdm845-cheza-r3.dtb
diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
new file mode 100644
index 000000000000..76533e8b2092
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020, Alexey Minnekhanov <alexey.min@xxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "sdm660.dtsi"
+
+/ {
+ model = "Xiaomi Redmi Note 7";
+ compatible = "xiaomi,lavender", "qcom,sdm660";
+
+ aliases {
+ serial0 = &blsp1_uart2;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ ramoops@a0000000 {
+ compatible = "ramoops";
+ reg = <0x0 0xa0000000 0x0 0x400000>;
+ console-size = <0x20000>;
+ record-size = <0x20000>;
+ ftrace-size = <0x0>;
+ pmsg-size = <0x20000>;
+ };
+ };
+};
+
+&blsp1_uart2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart_console_active>;
+};
+
+&tlmm {
+ gpio-reserved-ranges = <8 4>;
+};
--
2.25.3
