This commit adds support for the Xiaomi Libra (Mi 4C)
smartphone. It's based on the Qualcomm msm8992 SoC.
It currently supports:
* Screen console from bootloader
* SDHCI
* Regulator configuration
* Serial console
* I2C
Signed-off-by: Konrad Dybcio <konradybcio@xxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../boot/dts/qcom/msm8992-xiaomi-libra.dts | 364 ++++++++++++++++++
2 files changed, 365 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 0f2c33d611df..344cdeb68b16 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -9,6 +9,7 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8150.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-samsung-a3u-eur.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-samsung-a5u-eur.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8992-bullhead-rev-101.dtb
+dtb-$(CONFIG_ARCH_QCOM) += msm8992-xiaomi-libra.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8994-angler-rev-101.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8996-mtp.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8998-asus-novago-tp370ql.dtb
diff --git a/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts b/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
new file mode 100644
index 000000000000..ac9b2f325fc1
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8992-xiaomi-libra.dts
@@ -0,0 +1,364 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2020, Konrad Dybcio
+ */
+
+/dts-v1/;
+
+#include "msm8992.dtsi"
+#include "pm8994.dtsi"
+#include "pmi8994.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/gpio-keys.h>
+
+/ {
+ model = "Xiaomi Mi 4C";
+ compatible = "xiaomi,libra", "qcom,msm8992";
+ /* required for bootloader to select correct board */
+ qcom,msm-id = <251 0 252 0>;
+ qcom,pmic-id = <65545 65546 0 0>;
+ qcom,board-id = <12 0>;
+
+ /* This enables graphical output via bootloader-enabled display */
+ chosen {
+ bootargs = "earlycon=tty0 console=tty0";
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ framebuffer0: framebuffer@3404000 {
+ status= "okay";
+ compatible = "simple-framebuffer";
+ reg = <0 0x3404000 0 (1080 * 1920 * 3)>;
+ width = <1080>;
+ height = <1920>;
+ stride = <(1080 * 3)>;
+ format = "r8g8b8";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+ input-name = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ autorepeat;
+
+ button@0 {
+ label = "Volume Up";
+ gpios = <&pm8994_gpios 3 GPIO_ACTIVE_LOW>;
+ linux,input-type = <1>;
+ linux,code = <KEY_VOLUMEUP>;
+ wakeup-source;
+ debounce-interval = <15>;
+ };
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* This is for getting crash logs using Android downstream kernels */
+ ramoops@dfc00000 {
+ compatible = "ramoops";
+ reg = <0x0 0xdfc00000 0x0 0x40000>;
+ console-size = <0x10000>;
+ record-size = <0x10000>;
+ ftrace-size = <0x10000>;
+ pmsg-size = <0x20000>;
+ };
+
+ continuous_splash: framebuffer@3401000{
+ reg = <0x0 0x3401000 0x0 0x2200000>;
+ no-map;
+ };
+
+ dfps_data_mem: dfps_data_mem@3400000 {
+ reg = <0x0 0x3400000 0x0 0x1000>;
+ no-map;
+ };
+
+ peripheral_region: peripheral_region@7400000 {
+ reg = <0x0 0x7400000 0x0 0x1c00000>;
+ no-map;
+ };
+
+ modem_region: modem_region@9000000 {
+ reg = <0x0 0x9000000 0x0 0x5a00000>;
+ no-map;
+ };
+
+ tzapp: modem_region@ea00000 {
+ reg = <0x0 0xea00000 0x0 0x1900000>;
+ no-map;
+ };
+ };
+};
+
+&blsp_i2c2 {
+ status = "okay";
+
+ /* Atmel or Synaptics touchscreen */
+};
+
+&blsp_i2c5 {
+ status = "okay";
+
+ /* Silabs si4705 FM transmitter */
+};
+
+&blsp_i2c6 {
+ status = "okay";
+
+ /* NCI NFC,
+ * TI USB320 Type-C controller,
+ * Pericom 30216a USB (de)mux switch
+ */
+};
+
+&blsp_i2c7 {
+ status = "okay";
+
+ /* cm36686 proximity and ambient light sensor */
+};
+
+&blsp_i2c13 {
+ status = "okay";
+
+ /* ST lsm6db0 gyro/accelerometer */
+};
+
+&blsp2_uart2 {
+ status = "okay";
+};
+
+&rpm_requests {
+ pm8994-regulators {
+ compatible = "qcom,rpm-pm8994-regulators";
+
+ vdd_l1-supply = <&pm8994_s7>;
+ vdd_l2_26_28-supply = <&pm8994_s3>;
+ vdd_l3_11-supply = <&pm8994_s3>;
+ vdd_l4_27_31-supply = <&pm8994_s3>;
+ vdd_l5_7-supply = <&pm8994_s3>;
+ vdd_l6_12_32-supply = <&pm8994_s5>;
+ vdd_l8_16_30-supply = <&vreg_vph_pwr>;
+ vdd_l9_10_18_22-supply = <&vreg_vph_pwr>;
+ vdd_l13_19_23_24-supply = <&vreg_vph_pwr>;
+ vdd_l14_15-supply = <&pm8994_s5>;
+ vdd_l17_29-supply = <&vreg_vph_pwr>;
+ vdd_l20_21-supply = <&vreg_vph_pwr>;
+ vdd_l25-supply = <&pm8994_s5>;
+ vdd_lvs1_2 = <&pm8994_s4>;
+
+ pm8994_s1: s1 {
+ /* unused */
+ status = "disabled";
+ };
+
+ pm8994_s2: s2 {
+ /* unused */
+ status = "disabled";
+ };
+
+ pm8994_s3: s3 {
+ regulator-min-microvolt = <1300000>;
+ regulator-max-microvolt = <1300000>;
+ };
+
+ pm8994_s4: s4 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-allow-set-load;
+ regulator-always-on;
+ regulator-system-load = <325000>;
+ };
+
+ pm8994_s5: s5 {
+ regulator-min-microvolt = <2150000>;
+ regulator-max-microvolt = <2150000>;
+ };
+
+ pm8994_s7: s7 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ };
+
+ pm8994_l1: l1 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ };
+
+ pm8994_l2: l2 {
+ regulator-min-microvolt = <1250000>;
+ regulator-max-microvolt = <1250000>;
+ };
+
+ pm8994_l3: l3 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ pm8994_l4: l4 {
+ regulator-min-microvolt = <1225000>;
+ regulator-max-microvolt = <1225000>;
+ };
+
+ pm8994_l5: l5 {
+ /* unused */
+ status = "disabled";
+ };
+
+ pm8994_l6: l6 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l7: l7 {
+ /* unused */
+ status = "disabled";
+ };
+
+ pm8994_l8: l8 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l9: l9 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l10: l10 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l11: l11 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ pm8994_l12: l12 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l13: l13 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2950000>;
+ };
+
+ pm8994_l14: l14 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l15: l15 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l16: l16 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <2700000>;
+ };
+
+ pm8994_l17: l17 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <2700000>;
+ };
+
+ pm8994_l18: l18 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ regulator-always-on;
+ };
+
+ pm8994_l19: l19 {
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ pm8994_l20: l20 {
+ regulator-min-microvolt = <2950000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-allow-set-load;
+ regulator-system-load = <570000>;
+ };
+
+ pm8994_l21: l21 {
+ regulator-min-microvolt = <2950000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-always-on;
+ };
+
+ pm8994_l22: l22 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+
+ pm8994_l23: l23 {
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ pm8994_l24: l24 {
+ regulator-min-microvolt = <3075000>;
+ regulator-max-microvolt = <3150000>;
+ };
+
+ pm8994_l25: l25 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ };
+
+ pm8994_l26: l26 {
+ regulator-min-microvolt = <987500>;
+ regulator-max-microvolt = <987500>;
+
+ };
+
+ pm8994_l27: l27 {
+ regulator-min-microvolt = <1050000>;
+ regulator-max-microvolt = <1050000>;
+ };
+
+ pm8994_l28: l28 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ };
+
+ pm8994_l29: l29 {
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ pm8994_l30: l30 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ pm8994_l31: l31 {
+ regulator-min-microvolt = <1262500>;
+ regulator-max-microvolt = <1262500>;
+ };
+
+ pm8994_l32: l32 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ };
+};
+
+&sdhc_1 {
+ status = "okay";
+
+ mmc-hs400-1_8v;
+ vmmc-supply = <&pm8994_l20>;
+ vqmmc-supply = <&pm8994_s4>;
+};
--
2.27.0
