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([2a01:e0a:3d9:2080:d283:7a7e:4c57:678d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-434af64a778sm5011554f8f.3.2026.01.15.02.25.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Jan 2026 02:25:45 -0800 (PST) Message-ID: <1b17fb1b-9235-43b5-a57e-6b04fe8f4516@linaro.org> Date: Thu, 15 Jan 2026 11:25:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: neil.armstrong@linaro.org Subject: Re: [PATCH v3 3/3] arm64: dts: meson-s4-s905y4-khadas-vim1s: add initial device tree To: Nick Xie , khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org References: <20260115030015.1334517-1-nick@khadas.com> <20260115030015.1334517-4-nick@khadas.com> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260115030015.1334517-4-nick@khadas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260115_022548_436654_C8EAAB07 X-CRM114-Status: GOOD ( 16.35 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Neil Armstrong Cc: robh@kernel.org, conor+dt@kernel.org, xianwei.zhao@amlogic.com, nick@xieqinick.com, krzk+dt@kernel.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 1/15/26 04:00, Nick Xie wrote: > The Khadas VIM1S uses the Amlogic S905Y4 SoC, based on the > Amlogic S4 SoC family, on a board with the same form factor as the > VIM/VIM2/VIM3/VIM4 models. Serial debug console, ethernet, SD card > work with this initial device tree. > > It features: > - 2GB LPDDR4 RAM > - 16GB eMMC 5.1 storage > - 32MB SPI flash > - 100M Ethernet > - AP6256 Wireless (802.11 a/b/g/n/ac, BT5.0) > - HDMI 2.1 video > - 2x USB 2.0 ports > - 1x USB-C (power) with USB 2.0 OTG > - 2x LED's (1x red, 1x white) > - 3x buttons (power, function, reset) > - IR receiver > - 40pin GPIO Header > - 1x micro SD card slot > > Signed-off-by: Nick Xie > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > .../amlogic/meson-s4-s905y4-khadas-vim1s.dts | 190 ++++++++++++++++++ > 2 files changed, 191 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index 219fb088c704d..15f9c817e5023 100644 > --- a/arch/arm64/boot/dts/amlogic/Makefile > +++ b/arch/arm64/boot/dts/amlogic/Makefile > @@ -85,6 +85,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-ugoos-am3.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-s4-s805x2-aq222.dtb > +dtb-$(CONFIG_ARCH_MESON) += meson-s4-s905y4-khadas-vim1s.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air-gbit.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-a95xf3-air.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-sm1-bananapi-m2-pro.dtb > diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts > new file mode 100644 > index 0000000000000..79ffc703a2e99 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts > @@ -0,0 +1,190 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2026 Khadas Technology Co., Ltd. > + */ > + > +/dts-v1/; > + > +#include "meson-s4.dtsi" > + > +/ { > + model = "Khadas VIM1S"; > + compatible = "khadas,vim1s", "amlogic,s905y4", "amlogic,s4"; > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + aliases { > + mmc0 = &emmc; /* eMMC */ > + mmc1 = &sd; /* SD card */ > + mmc2 = &sdio; /* SDIO */ > + serial0 = &uart_b; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x0 0x0 0x0 0x80000000>; > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + /* 52 MiB reserved for ARM Trusted Firmware */ > + secmon_reserved: secmon@5000000 { > + reg = <0x0 0x05000000 0x0 0x3400000>; > + no-map; > + }; > + }; > + > + sdio_32k: sdio-32k { > + compatible = "pwm-clock"; > + #clock-cells = <0>; > + clock-frequency = <32768>; > + pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ > + }; > + > + sdio_pwrseq: sdio-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; > + clocks = <&sdio_32k>; > + clock-names = "ext_clock"; > + }; > + > + main_5v: regulator-main-5v { > + compatible = "regulator-fixed"; > + regulator-name = "5V"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-always-on; > + }; > + > + sd_3v3: regulator-sd-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "SD_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + gpio = <&gpio GPIOD_4 GPIO_ACTIVE_LOW>; > + regulator-always-on; > + }; > + > + vddio_sd: regulator-vddio-sd { > + compatible = "regulator-gpio"; > + regulator-name = "VDDIO_SD"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + gpios = <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>; > + gpios-states = <1>; > + states = <1800000 1 > + 3300000 0>; > + }; > + > + /* SY8120B1ABC DC/DC Regulator. */ > + vddcpu: regulator-vddcpu { > + compatible = "pwm-regulator"; > + > + regulator-name = "VDDCPU"; > + regulator-min-microvolt = <689000>; > + regulator-max-microvolt = <1049000>; > + > + vin-supply = <&main_5v>; > + > + pwms = <&pwm_ij 1 1500 0>; > + pwm-dutycycle-range = <100 0>; > + > + regulator-boot-on; > + regulator-always-on; > + /* Voltage Duty-Cycle */ > + voltage-table = <1049000 0>, > + <1039000 3>, > + <1029000 6>, > + <1019000 9>, > + <1009000 12>, > + <999000 14>, > + <989000 17>, > + <979000 20>, > + <969000 23>, > + <959000 26>, > + <949000 29>, > + <939000 31>, > + <929000 34>, > + <919000 37>, > + <909000 40>, > + <899000 43>, > + <889000 45>, > + <879000 48>, > + <869000 51>, > + <859000 54>, > + <849000 56>, > + <839000 59>, > + <829000 62>, > + <819000 65>, > + <809000 68>, > + <799000 70>, > + <789000 73>, > + <779000 76>, > + <769000 79>, > + <759000 81>, > + <749000 84>, > + <739000 87>, > + <729000 89>, > + <719000 92>, > + <709000 95>, > + <699000 98>, > + <689000 100>; > + }; > +}; > + > +ðmac { > + status = "okay"; > + phy-handle = <&internal_ephy>; > + phy-mode = "rmii"; > +}; > + > +&ir { > + status = "okay"; > + pinctrl-0 = <&remote_pins>; > + pinctrl-names = "default"; > +}; > + > +&pwm_ef { > + status = "okay"; > + pinctrl-0 = <&pwm_e_pins1>; > + pinctrl-names = "default"; > +}; > + > +&pwm_ij { > + status = "okay"; > +}; > + > +&sd { > + status = "okay"; > + pinctrl-0 = <&sdcard_pins>; > + pinctrl-1 = <&sdcard_clk_gate_pins>; > + pinctrl-names = "default", "clk-gate"; > + bus-width = <4>; > + cap-sd-highspeed; > + sd-uhs-sdr12; > + sd-uhs-sdr25; > + sd-uhs-sdr50; > + sd-uhs-sdr104; > + max-frequency = <200000000>; > + disable-wp; > + > + cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>; > + > + vmmc-supply = <&sd_3v3>; > + vqmmc-supply = <&vddio_sd>; > +}; > + > +&spicc0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&spicc0_pins_x>; > + cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>; > +}; > + > +&uart_b { > + status = "okay"; > +}; Reviewed-by: Neil Armstrong Thanks, Neil _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic