Milk-V Mars CM Lite is a System-on-Module based on the Milk-V Mars CM without the onboard eMMC storage component populated and configured instead for SD3.0 Card Slot on that interface via 100-pin connector.
Link to Milk-V Mars CM Lite schematics: https://github.com/milkv-mars/mars-files/tree/main/Mars-CM_Hardware_Schematices Link to StarFive JH7110 Technical Reference Manual: https://doc-en.rvspace.org/JH7110/TRM/index.html Link to Raspberry Pi CM4IO datasheet: https://datasheets.raspberrypi.com/cm4io/cm4io-datasheet.pdf Add the devicetree file to make use of StarFive JH7110 common supported features PMIC, EEPROM, UART, I2C, GPIO, PCIe, QSPI Flash, PWM, and Ethernet. Also configure the eMMC interface mmc0 for SD Card use and configure the common SD Card interface mmc1 for onboard SDIO BT+WiFi. Signed-off-by: E Shattow <[email protected]> Signed-off-by: Conor Dooley <[email protected]> [ upstream commit: 4cce8b2503ab50f75a2dbc3eef2e55722836588e ] (cherry picked from commit c7821d537e5a61e5d543588674b71fb43ec0665b) --- .../starfive/jh7110-milkv-marscm-lite.dts | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 dts/upstream/src/riscv/starfive/jh7110-milkv-marscm-lite.dts diff --git a/dts/upstream/src/riscv/starfive/jh7110-milkv-marscm-lite.dts b/dts/upstream/src/riscv/starfive/jh7110-milkv-marscm-lite.dts new file mode 100644 index 00000000000..6c40d0ec401 --- /dev/null +++ b/dts/upstream/src/riscv/starfive/jh7110-milkv-marscm-lite.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2025 E Shattow <[email protected]> + */ + +/dts-v1/; +#include "jh7110-milkv-marscm.dtsi" + +/ { + model = "Milk-V Mars CM Lite"; + compatible = "milkv,marscm-lite", "starfive,jh7110"; +}; + +&mmc0 { + bus-width = <4>; + cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>; +}; + +&mmc0_pins { + pwren-pins { + pinmux = <GPIOMUX(22, GPOUT_HIGH, + GPOEN_ENABLE, + GPI_NONE)>; + }; +}; -- 2.50.0
