From: Cristian Cozzolino <cristian...@protonmail.com>

Billion Capture+ (flipkart,rimob) is a smartphone released in 2017, based
on Snapdragon 625 (MSM8953) SoC.

Add a device tree with initial support for:

- GPIO keys
- SDHCI (internal and external storage)
- USB Device Mode
- Regulators
- Simple framebuffer

Reviewed-by: Konrad Dybcio <konrad.dyb...@oss.qualcomm.com>
Signed-off-by: Cristian Cozzolino <cristian...@protonmail.com>
---
 arch/arm64/boot/dts/qcom/Makefile                  |   1 +
 .../arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts | 255 +++++++++++++++++++++
 2 files changed, 256 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/Makefile 
b/arch/arm64/boot/dts/qcom/Makefile
index 
140b0b2abfb555b8ef61bd9ed0217d8997800809..af3757ca017b6e3d8c579e43f647a71fc64c62b3
 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -70,6 +70,7 @@ dtb-$(CONFIG_ARCH_QCOM)       += msm8939-samsung-a7.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8939-sony-xperia-kanuti-tulip.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8939-wingtech-wt82918.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8939-wingtech-wt82918hd.dtb
+dtb-$(CONFIG_ARCH_QCOM)        += msm8953-flipkart-rimob.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8953-motorola-potter.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8953-xiaomi-daisy.dtb
 dtb-$(CONFIG_ARCH_QCOM)        += msm8953-xiaomi-mido.dtb
diff --git a/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts 
b/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
new file mode 100644
index 
0000000000000000000000000000000000000000..ef4faf7631327ba3f7d954cef57bb1ebfc09a1cc
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2025, Cristian Cozzolino
+ */
+/dts-v1/;
+
+#include "msm8953.dtsi"
+#include "pm8953.dtsi"
+#include "pmi8950.dtsi"
+
+/delete-node/ &cont_splash_mem;
+/delete-node/ &qseecom_mem;
+
+/ {
+       model = "Billion Capture+";
+       compatible = "flipkart,rimob", "qcom,msm8953";
+       chassis-type = "handset";
+       qcom,msm-id = <293 0>;
+       qcom,board-id = <0x340008 0>;
+
+       chosen {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               framebuffer@90001000 {
+                       compatible = "simple-framebuffer";
+                       reg = <0 0x90001000 0 (1920 * 1080 * 3)>;
+
+                       width = <1080>;
+                       height = <1920>;
+                       stride = <(1080 * 3)>;
+                       format = "r8g8b8";
+
+                       power-domains = <&gcc MDSS_GDSC>;
+
+                       clocks = <&gcc GCC_MDSS_AHB_CLK>,
+                                <&gcc GCC_MDSS_AXI_CLK>,
+                                <&gcc GCC_MDSS_VSYNC_CLK>,
+                                <&gcc GCC_MDSS_MDP_CLK>,
+                                <&gcc GCC_MDSS_BYTE0_CLK>,
+                                <&gcc GCC_MDSS_PCLK0_CLK>,
+                                <&gcc GCC_MDSS_ESC0_CLK>;
+               };
+       };
+
+       gpio-keys {
+               compatible = "gpio-keys";
+
+               pinctrl-0 = <&gpio_key_default>;
+               pinctrl-names = "default";
+
+               key-volume-up {
+                       label = "Volume Up";
+                       gpios = <&tlmm 85 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_VOLUMEUP>;
+                       debounce-interval = <15>;
+               };
+       };
+
+       reserved-memory {
+               qseecom_mem: qseecom@84a00000 {
+                       reg = <0x0 0x84a00000 0x0 0x1900000>;
+                       no-map;
+               };
+
+               cont_splash_mem: cont-splash@90001000 {
+                       reg = <0x0 0x90001000 0x0 (1080 * 1920 * 3)>;
+                       no-map;
+               };
+       };
+
+       vph_pwr: vph-pwr-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "vph_pwr";
+               regulator-always-on;
+               regulator-boot-on;
+       };
+};
+
+
+&hsusb_phy {
+       vdd-supply = <&pm8953_l3>;
+       vdda-pll-supply = <&pm8953_l7>;
+       vdda-phy-dpdm-supply = <&pm8953_l13>;
+
+       status = "okay";
+};
+
+&pm8953_resin {
+       linux,code = <KEY_VOLUMEDOWN>;
+       status = "okay";
+};
+
+&rpm_requests {
+       regulators {
+               compatible = "qcom,rpm-pm8953-regulators";
+               vdd_s1-supply = <&vph_pwr>;
+               vdd_s2-supply = <&vph_pwr>;
+               vdd_s3-supply = <&vph_pwr>;
+               vdd_s4-supply = <&vph_pwr>;
+               vdd_s5-supply = <&vph_pwr>;
+               vdd_s6-supply = <&vph_pwr>;
+               vdd_s7-supply = <&vph_pwr>;
+               vdd_l1-supply = <&pm8953_s3>;
+               vdd_l2_l3-supply = <&pm8953_s3>;
+               vdd_l4_l5_l6_l7_l16_l19-supply = <&pm8953_s4>;
+               vdd_l8_l11_l12_l13_l14_l15-supply = <&vph_pwr>;
+               vdd_l9_l10_l17_l18_l22-supply = <&vph_pwr>;
+               vdd_l23-supply = <&pm8953_s3>;
+
+               pm8953_s1: s1 {
+                       regulator-min-microvolt = <870000>;
+                       regulator-max-microvolt = <1156000>;
+               };
+
+               pm8953_s3: s3 {
+                       regulator-min-microvolt = <1224000>;
+                       regulator-max-microvolt = <1224000>;
+               };
+
+               pm8953_s4: s4 {
+                       regulator-min-microvolt = <1900000>;
+                       regulator-max-microvolt = <2050000>;
+               };
+
+               pm8953_l1: l1 {
+                       regulator-min-microvolt = <1000000>;
+                       regulator-max-microvolt = <1000000>;
+               };
+
+               pm8953_l2: l2 {
+                       regulator-min-microvolt = <975000>;
+                       regulator-max-microvolt = <1225000>;
+               };
+
+               pm8953_l3: l3 {
+                       regulator-min-microvolt = <925000>;
+                       regulator-max-microvolt = <925000>;
+               };
+
+               pm8953_l5: l5 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-allow-set-load;
+               };
+
+               pm8953_l6: l6 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+               };
+
+               pm8953_l7: l7 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1900000>;
+               };
+
+               pm8953_l8: l8 {
+                       regulator-min-microvolt = <2900000>;
+                       regulator-max-microvolt = <2900000>;
+                       regulator-allow-set-load;
+               };
+
+               pm8953_l9: l9 {
+                       regulator-min-microvolt = <3000000>;
+                       regulator-max-microvolt = <3300000>;
+               };
+
+               pm8953_l10: l10 {
+                       regulator-min-microvolt = <2850000>;
+                       regulator-max-microvolt = <2850000>;
+               };
+
+               pm8953_l11: l11 {
+                       regulator-min-microvolt = <2950000>;
+                       regulator-max-microvolt = <2950000>;
+                       regulator-allow-set-load;
+               };
+
+               pm8953_l12: l12 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <2950000>;
+                       regulator-allow-set-load;
+               };
+
+               pm8953_l13: l13 {
+                       regulator-min-microvolt = <3125000>;
+                       regulator-max-microvolt = <3125000>;
+               };
+
+               pm8953_l16: l16 {
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+               };
+
+               pm8953_l17: l17 {
+                       regulator-min-microvolt = <2850000>;
+                       regulator-max-microvolt = <2850000>;
+               };
+
+               pm8953_l19: l19 {
+                       regulator-min-microvolt = <1200000>;
+                       regulator-max-microvolt = <1350000>;
+               };
+
+               pm8953_l22: l22 {
+                       regulator-min-microvolt = <2800000>;
+                       regulator-max-microvolt = <2800000>;
+               };
+
+               pm8953_l23: l23 {
+                       regulator-min-microvolt = <975000>;
+                       regulator-max-microvolt = <1225000>;
+               };
+       };
+};
+
+&sdhc_1 {
+       vmmc-supply = <&pm8953_l8>;
+       vqmmc-supply = <&pm8953_l5>;
+
+       status = "okay";
+};
+
+&sdhc_2 {
+       vmmc-supply = <&pm8953_l11>;
+       vqmmc-supply = <&pm8953_l12>;
+
+       cd-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
+
+       pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
+       pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off>;
+       pinctrl-names = "default", "sleep";
+
+       status = "okay";
+};
+
+&tlmm {
+       gpio-reserved-ranges = <0 4>, <135 4>;
+
+       gpio_key_default: gpio-key-default-state {
+               pins = "gpio85";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-pull-up;
+       };
+};
+
+&usb3 {
+       status = "okay";
+};
+
+&usb3_dwc3 {
+       dr_mode = "peripheral";
+};

-- 
2.49.0



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