This adds the initial device tree support for Xiaomi Redmi Note 7 (lavender) phone. It is based on SDM660 SoC. Currently it can be booted into initrd with a shell over UART and you can 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 | 42 +++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 973c0f079659..a61b1089bd9a 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -15,6 +15,7 @@ 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..676efba0e16b --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts @@ -0,0 +1,42 @@ +// 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>; +}; -- 2.20.1