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From: Henrik Grimler To: Lukas Timmermann Cc: Krzysztof Kozlowski , Alim Akhtar , Rob Herring , Conor Dooley , Alexandre Marquet , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] ARM: dts: exynos: Add Samsung Manta (Google Nexus 10) Message-ID: <20251120173120.GA10065@localhost> References: <20251120144018.961604-1-linux@timmermann.space> <20251120144018.961604-3-linux@timmermann.space> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251120144018.961604-3-linux@timmermann.space> X-Migadu-Flow: FLOW_OUT Hi Lukas, On Thu, Nov 20, 2025 at 03:40:15PM +0100, Lukas Timmermann wrote: > From: Alexandre Marquet > > Manta is the code name for Google Nexus 10, and was manufactured by > Samsung. This patch adds initial device-tree file for this board. > > Co-developed-by: Alexandre Marquet > Signed-off-by: Alexandre Marquet > Co-developed-by: Lukas Timmermann > Signed-off-by: Lukas Timmermann Awesome! I think this series would benefit from a cover letter explaining what features are working, and perhaps saying something about other patches that will be sent separately (if any). The as3668 led driver and bindings for example has not been merged, right? Adding the lore link in a cover letter would therefore help reviewers. One nitpick below that I happened to notice. > --- > arch/arm/boot/dts/samsung/Makefile | 1 + > .../exynos5250-samsung-nexus10-manta.dts | 516 ++++++++++++++++++ > 2 files changed, 517 insertions(+) > create mode 100644 arch/arm/boot/dts/samsung/exynos5250-samsung-nexus10-manta.dts > > diff --git a/arch/arm/boot/dts/samsung/Makefile b/arch/arm/boot/dts/samsung/Makefile > index 7becf36656b1..c9cb06a8ff97 100644 > --- a/arch/arm/boot/dts/samsung/Makefile > +++ b/arch/arm/boot/dts/samsung/Makefile > @@ -26,6 +26,7 @@ dtb-$(CONFIG_ARCH_EXYNOS4) += \ > exynos4412-trats2.dtb > dtb-$(CONFIG_ARCH_EXYNOS5) += \ > exynos5250-arndale.dtb \ > + exynos5250-samsung-nexus10-manta.dtb \ > exynos5250-smdk5250.dtb \ > exynos5250-snow.dtb \ > exynos5250-snow-rev5.dtb \ > diff --git a/arch/arm/boot/dts/samsung/exynos5250-samsung-nexus10-manta.dts b/arch/arm/boot/dts/samsung/exynos5250-samsung-nexus10-manta.dts > new file mode 100644 > index 000000000000..84df54941bcd > --- /dev/null > +++ b/arch/arm/boot/dts/samsung/exynos5250-samsung-nexus10-manta.dts > @@ -0,0 +1,516 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Samsung Manta (Google Nexus 10) board device tree source > + * > + * Copyright (c) 2023-2025 Alexandre Marquet > + * Copyright (c) 2025 Lukas Timmermann > + */ > + > +/dts-v1/; > +#include > +#include > +#include > +#include > +#include "exynos-pinctrl.h" > +#include "exynos5250.dtsi" > +#include "exynos-mfc-reserved-memory.dtsi" > + > +/ { > + model = "Google Nexus 10"; > + compatible = "samsung,nexus10-manta", "samsung,exynos5250", "samsung,exynos5"; > + > + aliases { > + mmc0 = &mmc_0; /* eMMC */ > + mmc1 = &mmc_1; /* WiFi */ > + }; > + > + memory@40000000 { > + device_type = "memory"; > + reg = <0x40000000 0x20000000 > + 0x60000000 0x20000000 > + 0x80000000 0x20000000 > + 0xa0000000 0x1FF00000>; Please use lower case letters, 0x1ff00000. Best regards, Henrik Grimler > + }; > + > + chosen { > + stdout-path = &serial_2; > + }; > + > + firmware@204f000 { > + compatible = "samsung,secure-firmware"; > + reg = <0x0204f000 0x1000>; > + }; > + > + fixed-rate-clocks { > + xxti { > + compatible = "samsung,clock-xxti"; > + clock-frequency = <24000000>; > + }; > + > + xusbxti { > + compatible = "samsung,clock-xusbxti"; > + clock-frequency = <24000000>; > + }; > + }; > + > + gpio-keys { > + compatible = "gpio-keys"; > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio_keys>; > + > + key-down { > + gpios = <&gpx2 1 GPIO_ACTIVE_LOW>; > + linux,code = ; > + label = "volume down"; > + debounce-interval = <5>; > + }; > + > + key-up { > + gpios = <&gpx2 0 GPIO_ACTIVE_LOW>; > + linux,code = ; > + label = "volume up"; > + debounce-interval = <5>; > + }; > + > + key-power { > + gpios = <&gpx2 7 GPIO_ACTIVE_LOW>; > + linux,code = ; > + label = "power"; > + debounce-interval = <5>; > + wakeup-source; > + }; > + > + lid-switch { > + label = "Lid"; > + gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; > + linux,input-type = <5>; /* EV_SW */ > + linux,code = <0>; /* SW_LID */ > + debounce-interval = <10>; > + wakeup-source; > + }; > + }; > + > + multi-led { > + compatible = "leds-group-multicolor"; > + color = ; > + function = LED_FUNCTION_STATUS; > + leds = <&status_red>, <&status_green>, <&status_blue>, <&status_white>; > + }; > + > + wlan_pwrseq: mmc1-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&gpv1 0 GPIO_ACTIVE_LOW>; > + pinctrl-0 = <&wlan_pmena>; > + pinctrl-names = "default"; > + clocks = <&max77686 MAX77686_CLK_PMIC>; > + clock-names = "ext_clock"; > + post-power-on-delay-ms = <300>; > + power-off-delay-us = <50>; > + }; > + > + bmp180_vddd_reg: regulator-bmp180-vddd { > + compatible = "regulator-fixed"; > + regulator-name = "BMP180_VDDD"; > + }; > + > + bmp180_vdda_reg: regulator-bmp180-vdda { > + compatible = "regulator-fixed"; > + regulator-name = "BMP180_VDDA"; > + }; > +}; > + > +&clock { > + assigned-clocks = <&clock CLK_FOUT_APLL>; > + assigned-clock-rates = <1000000000>; > +}; > + > +&cpu0 { > + cpu0-supply = <&buck2_reg>; > +}; > + > +&ehci { > + status = "disabled"; > +}; > + > +&i2c_0 { > + status = "okay"; > + samsung,i2c-sda-delay = <100>; > + samsung,i2c-slave-addr = <0x10>; > +}; > + > +&i2c_1 { > + status = "okay"; > + > + pressure@77 { > + compatible = "bosch,bmp180"; > + reg = <0x77>; > + vddd-supply = <&bmp180_vddd_reg>; > + vdda-supply = <&bmp180_vdda_reg>; > + }; > + > + imu@68 { > + compatible = "invensense,mpu6050"; > + reg = <0x68>; > + pinctrl-names = "default"; > + pinctrl-0 = <&acc_int>; > + interrupt-parent = <&gpx1>; > + interrupts = <4 IRQ_TYPE_EDGE_RISING>; > + mount-matrix = "0", "-1", "0", > + "-1", "0", "0", > + "0", "0", "-1"; > + > + i2c-gate { > + #address-cells = <1>; > + #size-cells = <0>; > + > + magnetometer@c { > + compatible = "asahi-kasei,ak8963"; > + reg = <0x0c>; > + pinctrl-names = "default"; > + pinctrl-0 = <&msense_rst>; > + mount-matrix = "-1", "0", "0", > + "0", "1", "0", > + "0", "0", "-1"; > + }; > + }; > + }; > + > + led-controller@42 { > + compatible = "ams,as3668"; > + reg = <0x42>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + status_red: led@0 { > + reg = <0x0>; > + function = LED_FUNCTION_STATUS; > + color = ; > + }; > + > + status_green: led@1 { > + reg = <0x1>; > + function = LED_FUNCTION_STATUS; > + color = ; > + }; > + > + status_blue: led@2 { > + reg = <0x2>; > + function = LED_FUNCTION_STATUS; > + color = ; > + }; > + > + status_white: led@3 { > + reg = <0x3>; > + function = LED_FUNCTION_STATUS; > + color = ; > + }; > + }; > +}; > + > +&i2c_2 { > + status = "okay"; > + > + light-sensor@23 { > + compatible = "rohm,bh1721"; > + reg = <0x23>; > + pinctrl-names = "default"; > + pinctrl-0 = <&bh1721fvc_reset>; > + reset-gpios = <&gph1 2 GPIO_ACTIVE_LOW>; > + }; > + > + onewire@18 { > + compatible = "maxim,ds2484"; > + reg = <0x18>; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&onewire_sleep>; > + }; > +}; > + > +&i2c_5 { > + status = "okay"; > + samsung,i2c-sda-delay = <100>; > + > + max77686: pmic@9 { > + compatible = "maxim,max77686"; > + reg = <0x09>; > + interrupt-parent = <&gpx0>; > + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; > + pinctrl-names = "default"; > + pinctrl-0 = <&max77686_irq>; > + #clock-cells = <1>; > + wakeup-source; > + > + voltage-regulators { > + ldo3_reg: LDO3 { > + regulator-name = "VCC_1.8V_AP"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo8_reg: LDO8 { > + regulator-name = "VMIPI_1.0V"; > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <1000000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo9_reg: LDO9 { > + regulator-name = "TOUCH_VDD_1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + ldo10_reg: LDO10 { > + regulator-name = "VMIPI_1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo12_reg: LDO12 { > + regulator-name = "VUOTG_3.0V"; > + regulator-min-microvolt = <3000000>; > + regulator-max-microvolt = <3000000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo15_reg: LDO15 { > + regulator-name = "VHSIC_1.0V"; > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <1000000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo16_reg: LDO16 { > + regulator-name = "VHSIC_1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + ldo17_reg: LDO17 { > + regulator-name = "5M_CORE_1.5V"; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + }; > + ldo18_reg: LDO18 { > + regulator-name = "CAM_IO_1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + ldo19_reg: LDO19 { > + regulator-name = "VT_CAM_1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + ldo20_reg: LDO20 { > + regulator-name = "TA_CHECK_1.35V"; > + regulator-min-microvolt = <1350000>; > + regulator-max-microvolt = <1350000>; > + }; > + ldo23_reg: LDO23 { > + regulator-name = "TSP_AVDD_2.8V"; > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + }; > + ldo24_reg: LDO24 { > + regulator-name = "CAM_AF_2.8V"; > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + }; > + ldo25_reg: LDO25 { > + regulator-name = "VADC_3.3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + buck1_reg: BUCK1 { > + regulator-name = "vdd_mif"; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1200000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + buck2_reg: BUCK2 { > + regulator-name = "vdd_arm"; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1200000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + buck3_reg: BUCK3 { > + regulator-name = "vdd_int"; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1200000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + buck4_reg: BUCK4 { > + regulator-name = "vdd_g3d"; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1200000>; > + regulator-boot-on; > + }; > + }; > + }; > +}; > + > +&mali { > + status = "okay"; > + mali-supply = <&buck4_reg>; > +}; > + > +&mixer { > + status = "okay"; > +}; > + > +/* eMMC */ > +&mmc_0 { > + status = "okay"; > + non-removable; > + max-frequency = <200000000>; > + sd-uhs-ddr50; > + mmc-ddr-1_8v; > + cap-mmc-hw-reset; > + mmc-hs200-1_8v; > + bus-width = <8>; > + card-detect-delay = <200>; > + samsung,dw-mshc-ciu-div = <3>; > + samsung,dw-mshc-sdr-timing = <1 2>; > + samsung,dw-mshc-ddr-timing = <2 3>; > + pinctrl-names = "default"; > + pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>; > +}; > + > +/* WiFi */ > +&mmc_1 { > + status = "okay"; > + non-removable; > + max-frequency = <100000000>; > + sd-uhs-sdr50; > + cap-sd-highspeed; > + keep-power-in-suspend; > + bus-width = <4>; > + card-detect-delay = <0>; > + samsung,dw-mshc-ciu-div = <3>; > + samsung,dw-mshc-sdr-timing = <2 4>; > + samsung,dw-mshc-ddr-timing = <2 3>; > + pinctrl-names = "default"; > + pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_bus4>; > + mmc-pwrseq = <&wlan_pwrseq>; > + > + wifi@1 { > + compatible = "brcm,bcm4330-fmac", "brcm,bcm4329-fmac"; > + reg = <1>; > + interrupt-parent = <&gpx2>; > + interrupts = <5 IRQ_TYPE_NONE>; > + interrupt-names = "host-wake"; > + pinctrl-names = "default"; > + pinctrl-0 = <&wlan_irq>; > + }; > +}; > + > +&ohci { > + status = "disabled"; > +}; > + > +&pinctrl_0 { > + acc_int: acc-int-pins { > + samsung,pins = "gpx1-4"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + }; > + > + max77686_irq: max77686-irq-pins { > + samsung,pins = "gpx0-2"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + samsung,pin-drv = ; > + }; > + gpio_keys: gpio-keys-pins-pins { > + samsung,pins = "gpx2-0", "gpx2-1", "gpx2-7", "gpx1-3"; > + samsung,pin-pud = ; > + }; > + wlan_irq: wlan-irq-pins { > + samsung,pins = "gpx2-5"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + samsung,pin-drv = ; > + }; > +}; > + > +&pinctrl_1 { > + bh1721fvc_reset: bh1721fvc-reset-pins { > + samsung,pins = "gph1-2"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + }; > + msense_rst: msense-rst-pins { > + samsung,pins = "gpg2-0"; > + samsung,pin-function = ; > + }; > + onewire_sleep: onewire-sleep-pins { > + samsung,pins = "gpg0-0"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + samsung,pin-con-pdn = ; > + samsung,pin-pud-pdn = ; > + }; > +}; > + > +&pinctrl_2 { > + wlan_pmena: wlan-pmena-pins { > + samsung,pins = "gpv1-0"; > + samsung,pin-function = ; > + samsung,pin-pud = ; > + samsung,pin-drv = ; > + samsung,pin-con-pdn = ; > + samsung,pin-val = <0>; > + }; > +}; > + > +&pmu_system_controller { > + assigned-clocks = <&pmu_system_controller 0>; > + assigned-clock-parents = <&clock CLK_FIN_PLL>; > +}; > + > +&sd1_bus4 { > + samsung,pin-con-pdn = ; > + samsung,pin-pud-pdn = ; > +}; > + > +&sd1_cmd { > + samsung,pin-con-pdn = ; > + samsung,pin-pud-pdn = ; > +}; > + > +/* Bluetooth */ > +&serial_0 { > + status = "disabled"; > +}; > + > +&serial_1 { > + pinctrl-names = "default", "flow-control"; > + pinctrl-0 = <&uart1_data>; > + pinctrl-1 = <&uart1_data>, <&uart1_fctl>; > +}; > + > +&serial_2 { > + pinctrl-names = "default", "flow-control"; > + pinctrl-0 = <&uart2_data>; > + pinctrl-1 = <&uart2_data>, <&uart2_fctl>; > +}; > + > +&usbdrd { > + status = "disabled"; > +}; > + > +&usbdrd_dwc3 { > + status = "disabled"; > +}; > + > +&usbdrd_phy { > + status = "disabled"; > +}; > -- > 2.52.0 > >