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Tue, 20 Jan 2026 10:01:08 -0800 (PST) From: Gianluca Boiano To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: andersson@kernel.org, konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robh@kernel.org, david@ixit.cz, Gianluca Boiano Subject: [PATCH 2/7] arm64: dts: qcom: sdm660: add common Xiaomi SDM636/SDM660 include file Date: Tue, 20 Jan 2026 19:00:47 +0100 Message-ID: <20260120180052.1031231-3-morf3089@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260120180052.1031231-1-morf3089@gmail.com> References: <20260120180052.1031231-1-morf3089@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Create a shared device tree include file for Xiaomi smartphones and tablets based on Qualcomm SDM636/SDM660 SoCs. This reduces code duplication when adding new Xiaomi devices and ensures consistent configuration across the family. The common dtsi includes: - PM660/PM660L PMIC configuration with volume/power buttons - Serial console (blsp1_uart2, blsp2_uart1) - Hall effect sensor (disabled by default) - USB (qusb2phy0, usb3) in peripheral mode - SD card (sdhc_2) pinctrl and supplies - eMMC (sdhc_1) with HS400 support - Backlight (pm660l_wled) - Framebuffer memory reservation - WiFi (wcn3990) - Bluetooth (wcn3990) Also refactor sdm660-xiaomi-lavender.dts to use the new common include, removing duplicated code. Signed-off-by: Gianluca Boiano --- .../boot/dts/qcom/sdm660-xiaomi-common.dtsi | 214 ++++++++++++++++++ .../boot/dts/qcom/sdm660-xiaomi-lavender.dts | 144 +----------- 2 files changed, 219 insertions(+), 139 deletions(-) create mode 100644 arch/arm64/boot/dts/qcom/sdm660-xiaomi-common.dtsi diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-common.dtsi b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-common.dtsi new file mode 100644 index 000000000000..37ce675089fb --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-common.dtsi @@ -0,0 +1,214 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Common devicetree for Xiaomi SDM636/SDM660 devices + * + * Copyright (c) 2020, Alexey Minnekhanov + * Copyright (c) 2022, Gianluca Boiano + */ + +#include "pm660.dtsi" +#include "pm660l.dtsi" +#include +#include +#include + +/ { + aliases { + serial0 = &blsp1_uart2; + serial1 = &blsp2_uart1; + }; + + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + stdout-path = "serial0:115200n8"; + + framebuffer0: framebuffer@9d400000 { + compatible = "simple-framebuffer"; + memory-region = <&framebuffer_mem>; + /* + * width/height/stride to be overridden + * by individual device dts + */ + format = "a8r8g8b8"; + + status = "disabled"; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + + pinctrl-0 = <&vol_up_default>; + pinctrl-names = "default"; + + key-volup { + label = "Volume Up"; + gpios = <&pm660l_gpios 7 GPIO_ACTIVE_LOW>; + linux,code = ; + debounce-interval = <15>; + }; + }; + + gpio_hall_sensor: gpio-hall-sensor { + compatible = "gpio-keys"; + + pinctrl-0 = <&gpio_hall_sensor_default>; + pinctrl-names = "default"; + + status = "disabled"; + + event-hall { + label = "Hall Effect Sensor"; + gpios = <&tlmm 75 GPIO_ACTIVE_LOW>; + linux,input-type = ; + linux,code = ; + linux,can-disable; + wakeup-source; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + framebuffer_mem: memory@9d400000 { + reg = <0x0 0x9d400000 0x0 0x2400000>; + no-map; + }; + }; + + vph_pwr: vph-pwr-regulator { + compatible = "regulator-fixed"; + regulator-name = "vph_pwr"; + regulator-min-microvolt = <3700000>; + regulator-max-microvolt = <3700000>; + + regulator-always-on; + regulator-boot-on; + }; + +}; + +&blsp1_uart2 { + status = "okay"; +}; + +&blsp2_uart1 { + status = "okay"; + + bluetooth { + compatible = "qcom,wcn3990-bt"; + vddxo-supply = <&vreg_l9a_1p8>; + vddrf-supply = <&vreg_l6a_1p3>; + vddch0-supply = <&vreg_l19a_3p3>; + vddio-supply = <&vreg_l13a_1p8>; + max-speed = <3200000>; + }; +}; + +&pm660l_gpios { + vol_up_default: vol-up-default-state { + pins = "gpio7"; + function = PMIC_GPIO_FUNC_NORMAL; + bias-pull-up; + input-enable; + qcom,drive-strength = ; + }; +}; + +&pm660l_wled { + qcom,switching-freq = <800>; + qcom,current-limit-microamp = <20000>; + qcom,num-strings = <2>; +}; + +&pon_pwrkey { + status = "okay"; +}; + +&pon_resin { + linux,code = ; + + status = "okay"; +}; + +&qusb2phy0 { + vdd-supply = <&vreg_l1b_0p925>; + vdda-pll-supply = <&vreg_l10a_1p8>; + vdda-phy-dpdm-supply = <&vreg_l7b_3p125>; + + status = "okay"; +}; + +&sdc2_state_off { + sd-cd-pins { + pins = "gpio54"; + function = "gpio"; + bias-disable; + drive-strength = <2>; + }; +}; + +&sdc2_state_on { + sd-cd-pins { + pins = "gpio54"; + function = "gpio"; + bias-pull-up; + drive-strength = <2>; + }; +}; + +&sdhc_1 { + supports-cqe; + + mmc-hs200-1_8v; + mmc-hs400-1_8v; + mmc-hs400-enhanced-strobe; + + vmmc-supply = <&vreg_l4b_2p95>; + vqmmc-supply = <&vreg_l8a_1p8>; + + status = "okay"; +}; + +&sdhc_2 { + cd-gpios = <&tlmm 54 GPIO_ACTIVE_HIGH>; + + vmmc-supply = <&vreg_l5b_2p95>; + vqmmc-supply = <&vreg_l2b_2p95>; +}; + +&tlmm { + gpio_hall_sensor_default: gpio-hall-sensor-default-state { + pins = "gpio75"; + function = "gpio"; + drive-strength = <6>; + bias-pull-up; + }; +}; + +&usb3 { + qcom,select-utmi-as-pipe-clk; + + status = "okay"; +}; + +&usb3_dwc3 { + maximum-speed = "high-speed"; + phys = <&qusb2phy0>; + phy-names = "usb2-phy"; + dr_mode = "peripheral"; +}; + +&wifi { + vdd-0.8-cx-mx-supply = <&vreg_l5a_0p848>; + vdd-1.8-xo-supply = <&vreg_l9a_1p8>; + vdd-1.3-rfa-supply = <&vreg_l6a_1p3>; + vdd-3.3-ch0-supply = <&vreg_l19a_3p3>; + + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts index a9926ad6c6f9..6467cb4dfd16 100644 --- a/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts +++ b/arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts @@ -7,58 +7,13 @@ /dts-v1/; #include "sdm660.dtsi" -#include "pm660.dtsi" -#include "pm660l.dtsi" -#include -#include +#include "sdm660-xiaomi-common.dtsi" / { model = "Xiaomi Redmi Note 7"; compatible = "xiaomi,lavender", "qcom,sdm660"; chassis-type = "handset"; - aliases { - serial0 = &blsp1_uart2; - }; - - chosen { - #address-cells = <2>; - #size-cells = <2>; - ranges; - - stdout-path = "serial0:115200n8"; - - framebuffer0: framebuffer@9d400000 { - compatible = "simple-framebuffer"; - reg = <0 0x9d400000 0 (1080 * 2340 * 4)>; - width = <1080>; - height = <2340>; - stride = <(1080 * 4)>; - format = "a8r8g8b8"; - }; - }; - - vph_pwr: vph-pwr-regulator { - compatible = "regulator-fixed"; - regulator-name = "vph_pwr"; - regulator-min-microvolt = <3700000>; - regulator-max-microvolt = <3700000>; - - regulator-always-on; - regulator-boot-on; - }; - - gpio-keys { - compatible = "gpio-keys"; - - key-volup { - label = "Volume Up"; - gpios = <&pm660l_gpios 7 GPIO_ACTIVE_LOW>; - linux,code = ; - debounce-interval = <15>; - }; - }; - reserved-memory { #address-cells = <2>; #size-cells = <2>; @@ -78,37 +33,14 @@ framebuffer_mem: memory@9d400000 { no-map; }; }; - - /* - * Until we hook up type-c detection, we - * have to stick with this. But it works. - */ - extcon_usb: extcon-usb { - compatible = "linux,extcon-usb-gpio"; - id-gpios = <&tlmm 58 GPIO_ACTIVE_HIGH>; - }; -}; - -&blsp1_uart2 { - status = "okay"; }; -&pon_pwrkey { - status = "okay"; -}; +&framebuffer0 { + width = <1080>; + height = <2340>; + stride = <(1080 * 4)>; -&pon_resin { status = "okay"; - - linux,code = ; -}; - -&qusb2phy0 { - status = "okay"; - - vdd-supply = <&vreg_l1b_0p925>; - vdda-pll-supply = <&vreg_l10a_1p8>; - vdda-phy-dpdm-supply = <&vreg_l7b_3p125>; }; &rpm_requests { @@ -363,69 +295,3 @@ vreg_l19a_3p3: l19 { }; }; }; - -&pm660l_wled { - status = "okay"; - - qcom,switching-freq = <800>; - qcom,current-limit-microamp = <20000>; - qcom,num-strings = <2>; -}; - -&sdc2_state_on { - sd-cd-pins { - pins = "gpio54"; - function = "gpio"; - bias-pull-up; - drive-strength = <2>; - }; -}; - -&sdc2_state_off { - sd-cd-pins { - pins = "gpio54"; - function = "gpio"; - bias-disable; - drive-strength = <2>; - }; -}; - -&sdhc_1 { - status = "okay"; - supports-cqe; - - mmc-hs200-1_8v; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; - - vmmc-supply = <&vreg_l4b_2p95>; - vqmmc-supply = <&vreg_l8a_1p8>; -}; - -&sdhc_2 { - status = "okay"; - - cd-gpios = <&tlmm 54 GPIO_ACTIVE_HIGH>; - - vmmc-supply = <&vreg_l5b_2p95>; - vqmmc-supply = <&vreg_l2b_2p95>; -}; - -&tlmm { - gpio-reserved-ranges = <8 4>; -}; - -&usb3 { - qcom,select-utmi-as-pipe-clk; - - status = "okay"; -}; - -&usb3_dwc3 { - maximum-speed = "high-speed"; - phys = <&qusb2phy0>; - phy-names = "usb2-phy"; - - dr_mode = "peripheral"; - extcon = <&extcon_usb>; -}; -- 2.52.0