Add support for the Xiaomi Redmi Note 8 based on the SM6125 SoC.
Defined features:
- dmesg output to bootloader preconfigured display
- USB
- eMMC
- SD card
- SMD RPM regulators
- Volume Up, Down and Power buttons
Signed-off-by: Gabriel Gonzales <semfault@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../boot/dts/qcom/sm6125-xiaomi-ginkgo.dts | 294 ++++++++++++++++++
2 files changed, 295 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/sm6125-xiaomi-ginkgo.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 140b0b2ab..4d7d54f69 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -246,6 +246,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sm4450-qrd.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6115-fxtec-pro1x.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6115p-lenovo-j606f.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6125-sony-xperia-seine-pdx201.dtb
+dtb-$(CONFIG_ARCH_QCOM) += sm6125-xiaomi-ginkgo.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6125-xiaomi-laurel-sprout.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6350-sony-xperia-lena-pdx213.dtb
dtb-$(CONFIG_ARCH_QCOM) += sm6375-sony-xperia-murray-pdx225.dtb
diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-ginkgo.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-ginkgo.dts
new file mode 100644
index 000000000..c4677cffa
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-ginkgo.dts
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025, Gabriel Gonzales <semfault@xxxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include "sm6125.dtsi"
+#include "pm6125.dtsi"
+
+/ {
+ /* required for bootloader to select correct board */
+ qcom,msm-id = <394 0>; /* sm6125 v1 */
+ qcom,board-id = <22 0>;
+
+ model = "Xiaomi Redmi Note 8";
+ compatible = "xiaomi,ginkgo", "qcom,sm6125";
+ chassis-type = "handset";
+
+ chosen {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ framebuffer0: framebuffer@5c000000 {
+ compatible = "simple-framebuffer";
+ reg = <0 0x5c000000 0 (2340 * 1080 * 4)>;
+ width = <1080>;
+ height = <2340>;
+ stride = <(1080 * 4)>;
+ format = "a8r8g8b8";
+ };
+ };
+
+ reserved-memory {
+ debug_mem: debug@ffb00000 {
+ reg = <0x0 0xffb00000 0x0 0xc0000>;
+ no-map;
+ };
+
+ last_log_mem: lastlog@ffbc0000 {
+ reg = <0x0 0xffbc0000 0x0 0x80000>;
+ no-map;
+ };
+
+ pstore_mem: ramoops@ffc00000 {
+ compatible = "ramoops";
+ reg = <0x0 0xffc40000 0x0 0xc0000>;
+ record-size = <0x1000>;
+ console-size = <0x40000>;
+ pmsg-size = <0x20000>;
+ };
+
+ cmdline_mem: memory@ffd00000 {
+ reg = <0x0 0xffd40000 0x0 0x1000>;
+ no-map;
+ };
+ };
+
+ extcon_usb: extcon-usb {
+ compatible = "linux,extcon-usb-gpio";
+ id-gpios = <&tlmm 102 GPIO_ACTIVE_HIGH>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&vol_up_n>;
+ pinctrl-names = "default";
+
+ key-volume-up {
+ label = "Volume Up";
+ gpios = <&pm6125_gpios 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ debounce-interval = <15>;
+ linux,can-disable;
+ wakeup-source;
+ };
+ };
+};
+
+&pm6125_gpios {
+ vol_up_n: vol-up-n-state {
+ pins = "gpio6";
+ function = "normal";
+ power-source = <1>;
+ bias-pull-up;
+ input-enable;
+ };
+};
+
+&hsusb_phy1 {
+ vdd-supply = <&vreg_l7a>;
+ vdda-pll-supply = <&vreg_l10a>;
+ vdda-phy-dpdm-supply = <&vreg_l15a>;
+ status = "okay";
+};
+
+&pon_pwrkey {
+ status = "okay";
+};
+
+&pon_resin {
+ linux,code = <KEY_VOLUMEDOWN>;
+ status = "okay";
+};
+
+&rpm_requests {
+ regulators-0 {
+ compatible = "qcom,rpm-pm6125-regulators";
+
+ vreg_s6a: s6 {
+ regulator-min-microvolt = <936000>;
+ regulator-max-microvolt = <1422000>;
+ };
+
+ vreg_l1a: l1 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1256000>;
+ };
+
+ vreg_l2a: l2 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1056000>;
+ };
+
+ vreg_l3a: l3 {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1064000>;
+ };
+
+ vreg_l4a: l4 {
+ regulator-min-microvolt = <872000>;
+ regulator-max-microvolt = <976000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l5a: l5 {
+ regulator-min-microvolt = <1648000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l6a: l6 {
+ regulator-min-microvolt = <576000>;
+ regulator-max-microvolt = <656000>;
+ };
+
+ vreg_l7a: l7 {
+ regulator-min-microvolt = <872000>;
+ regulator-max-microvolt = <976000>;
+ };
+
+ vreg_l8a: l8 {
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <728000>;
+ };
+
+ vreg_l9a: l9 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1896000>;
+ };
+
+ vreg_l10a: l10 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1896000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l11a: l11 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1952000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l12a: l12 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1996000>;
+ };
+
+ vreg_l13a: l13 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1832000>;
+ };
+
+ vreg_l14a: l14 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1904000>;
+ };
+
+ vreg_l15a: l15 {
+ regulator-min-microvolt = <3104000>;
+ regulator-max-microvolt = <3232000>;
+ };
+
+ vreg_l16a: l16 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1904000>;
+ };
+
+ vreg_l17a: l17 {
+ regulator-min-microvolt = <1248000>;
+ regulator-max-microvolt = <1304000>;
+ };
+
+ vreg_l18a: l18 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1264000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l19a: l19 {
+ regulator-min-microvolt = <1648000>;
+ regulator-max-microvolt = <2952000>;
+ };
+
+ vreg_l20a: l20 {
+ regulator-min-microvolt = <1648000>;
+ regulator-max-microvolt = <2952000>;
+ };
+
+ vreg_l21a: l21 {
+ regulator-min-microvolt = <2600000>;
+ regulator-max-microvolt = <2856000>;
+ };
+
+ vreg_l22a: l22 {
+ regulator-min-microvolt = <2944000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-allow-set-load;
+ };
+
+ vreg_l23a: l23 {
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3400000>;
+ };
+
+ vreg_l24a: l24 {
+ regulator-min-microvolt = <2944000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-allow-set-load;
+ };
+
+ };
+};
+
+&sdc2_off_state {
+ sd-cd-pins {
+ pins = "gpio98";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+};
+
+&sdc2_on_state {
+ sd-cd-pins {
+ pins = "gpio98";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+};
+
+&sdhc_1 {
+ vmmc-supply = <&vreg_l24a>;
+ vqmmc-supply = <&vreg_l11a>;
+ status = "okay";
+};
+
+&sdhc_2 {
+ cd-gpios = <&tlmm 98 GPIO_ACTIVE_HIGH>;
+ vmmc-supply = <&vreg_l22a>;
+ vqmmc-supply = <&vreg_l5a>;
+ no-sdio;
+ no-mmc;
+ status = "okay";
+};
+
+&tlmm {
+ gpio-reserved-ranges = <22 2>, <28 6>;
+};
+
+&usb3 {
+ status = "okay";
+};
+
+&usb3_dwc3 {
+ extcon = <&extcon_usb>;
+};
--
2.47.0
