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Message-ID: <d4564d4b-9510-47f8-9930-65d3c4e90e6c@lucaweiss.eu>
Date: Sat, 21 Jun 2025 00:20:11 +0200
From: Luca Weiss <luca@...aweiss.eu>
To: cristian_ci@...tonmail.com, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
<conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
phone-devel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: msm8953: Add device tree for
Billion Capture+
Hi Cristian,
On 20-06-2025 11:51 p.m., Cristian Cozzolino via B4 Relay wrote:
> From: Cristian Cozzolino <cristian_ci@...tonmail.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
Thanks for sending this upstream!
>
> Signed-off-by: Cristian Cozzolino <cristian_ci@...tonmail.com>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> .../arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts | 251 +++++++++++++++++++++
> 2 files changed, 252 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..9fc58bb4dae7b463691659f8e84a634529642b69
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
> @@ -0,0 +1,251 @@
> +// 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@...01000 {
> + 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-names = "default";
> + pinctrl-0 = <&gpio_key_default>;
> +
> + key-volume-up {
> + label = "Volume Up";
> + gpios = <&tlmm 85 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_VOLUMEUP>;
> + debounce-interval = <15>;
> + };
> + };
> +
> + reserved-memory {
> + qseecom@0 {
qseecom@...00000 ?
> + reg = <0x00 0x84a00000 0x00 0x1900000>;
> + no-map;
> + };
> +
> + cont_splash_mem: cont-splash@...01000 {
> + 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>;
> + };
> +
> + 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>;
> + };
> +
> + 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>;
> + };
> +
> + pm8953_l12: l12 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2950000>;
> + };
> +
> + 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>;
Any ideas what's connected to these pins? If you do, good to document
this like in other devices.
Regards
Luca
> +
> + 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";
> +};
>
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