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[PATCH v1 4/4] riscv: dts: starfive: add Milk-V Mars CM Lite system-on-module

E Shattow posted 4 patches 2 months, 1 week ago
There is a newer version of this series
[PATCH v1 4/4] riscv: dts: starfive: add Milk-V Mars CM Lite system-on-module
Posted by E Shattow 2 months, 1 week ago 
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 <e@freeshell.de>
---
 arch/riscv/boot/dts/starfive/Makefile         |   1 +
 .../dts/starfive/jh7110-milkv-marscm-lite.dts | 176 ++++++++++++++++++
 2 files changed, 177 insertions(+)
 create mode 100644 arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts

diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
index 79742617ddab..62b659f89ba7 100644
--- a/arch/riscv/boot/dts/starfive/Makefile
+++ b/arch/riscv/boot/dts/starfive/Makefile
@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-deepcomputing-fml13v01.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-mars.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-emmc.dtb
+dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-lite.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-pine64-star64.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
new file mode 100644
index 000000000000..e110146f0b76
--- /dev/null
+++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2025 E Shattow <e@freeshell.de>
+ */
+
+/dts-v1/;
+#include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "jh7110-common.dtsi"
+
+/ {
+	model = "Milk-V Mars CM Lite";
+	compatible = "milkv,marscm-lite", "starfive,jh7110";
+
+	aliases {
+		i2c1 = &i2c1;
+		i2c3 = &i2c3;
+		i2c4 = &i2c4;
+		serial3 = &uart3;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&sysgpio 33 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&gmac0 {
+	assigned-clocks = <&aoncrg JH7110_AONCLK_GMAC0_TX>;
+	assigned-clock-parents = <&aoncrg JH7110_AONCLK_GMAC0_RMII_RTX>;
+	starfive,tx-use-rgmii-clk;
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c2 {
+	status = "disabled";
+};
+
+&i2c6 {
+	status = "disabled";
+};
+
+&mmc0 {
+	bus-width = <4>;
+	cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>;
+};
+
+&mmc0_pins {
+	pwren-pins {
+		pinmux = <GPIOMUX(22, GPOUT_HIGH,
+				      GPOEN_ENABLE,
+				      GPI_NONE)>;
+	};
+};
+
+&mmc1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+	non-removable;
+	status = "okay";
+
+	ap6256: wifi@1 {
+		compatible = "brcm,bcm43456-fmac", "brcm,bcm4329-fmac";
+		reg = <1>;
+		interrupt-parent = <&sysgpio>;
+		interrupts = <34 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+		pinctrl-0 = <&wifi_host_wake_irq>;
+		pinctrl-names = "default";
+	};
+};
+
+&pcie0 {
+	status = "okay";
+};
+
+&phy0 {
+	rx-internal-delay-ps = <1500>;
+	tx-internal-delay-ps = <1500>;
+	motorcomm,rx-clk-drv-microamp = <3970>;
+	motorcomm,rx-data-drv-microamp = <2910>;
+	motorcomm,tx-clk-10-inverted;
+	motorcomm,tx-clk-100-inverted;
+	motorcomm,tx-clk-1000-inverted;
+	motorcomm,tx-clk-adj-enabled;
+};
+
+&pwm {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+};
+
+&sysgpio {
+	uart1_pins: uart1-0 {
+		tx-pins {
+			pinmux = <GPIOMUX(16, GPOUT_SYS_UART1_TX,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>;
+			bias-disable;
+			drive-strength = <12>;
+			input-disable;
+			input-schmitt-disable;
+		};
+
+		rx-pins {
+			pinmux = <GPIOMUX(17, GPOUT_LOW,
+					      GPOEN_DISABLE,
+					      GPI_SYS_UART1_RX)>;
+			bias-pull-up;
+			input-enable;
+			input-schmitt-enable;
+		};
+
+		cts-pins {
+			pinmux = <GPIOMUX(3, GPOUT_LOW,
+					     GPOEN_DISABLE,
+					     GPI_SYS_UART1_CTS)>;
+			bias-disable;
+			input-enable;
+			input-schmitt-enable;
+		};
+
+		rts-pins {
+			pinmux = <GPIOMUX(2, GPOUT_SYS_UART1_RTS,
+					     GPOEN_ENABLE,
+					     GPI_NONE)>;
+			bias-disable;
+			input-disable;
+			input-schmitt-disable;
+		};
+	};
+
+	usb0_pins: usb0-0 {
+		vbus-pins {
+			pinmux = <GPIOMUX(25, GPOUT_SYS_USB_DRIVE_VBUS,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>;
+			bias-disable;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
+
+	wifi_host_wake_irq: wifi-host-wake-irq {
+		wake-pins {
+			pinmux = <GPIOMUX(34, GPOUT_LOW,
+					      GPOEN_DISABLE,
+					      GPI_NONE)>;
+			input-enable;
+		};
+	};
+};
+
+&uart1 {
+	uart-has-rtscts;
+	pinctrl-0 = <&uart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&usb0 {
+	dr_mode = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins>;
+	status = "okay";
+};
-- 
2.50.0
Re: [PATCH v1 4/4] riscv: dts: starfive: add Milk-V Mars CM Lite system-on-module
Posted by Hal Feng 1 month, 2 weeks ago 
On 7/24/2025 5:48 PM, E Shattow wrote:
> 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 <e@freeshell.de>
> ---
>  arch/riscv/boot/dts/starfive/Makefile         |   1 +
>  .../dts/starfive/jh7110-milkv-marscm-lite.dts | 176 ++++++++++++++++++
>  2 files changed, 177 insertions(+)
>  create mode 100644 arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
> 
> diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
> index 79742617ddab..62b659f89ba7 100644
> --- a/arch/riscv/boot/dts/starfive/Makefile
> +++ b/arch/riscv/boot/dts/starfive/Makefile
> @@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-deepcomputing-fml13v01.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-mars.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-emmc.dtb
> +dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-lite.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-pine64-star64.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
> new file mode 100644
> index 000000000000..e110146f0b76
> --- /dev/null
> +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
> @@ -0,0 +1,176 @@
> +// SPDX-License-Identifier: GPL-2.0 OR MIT
> +/*
> + * Copyright (C) 2025 E Shattow <e@freeshell.de>
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "jh7110-common.dtsi"

You can just include "jh7110-milkv-marscm-emmc.dts" instead of "jh7110-common.dtsi".
And then adding mmc0 changes will be enough.

Best regards,
Hal

...

> +&mmc0 {
> +	bus-width = <4>;
> +	cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>;
> +};
> +
> +&mmc0_pins {
> +	pwren-pins {
> +		pinmux = <GPIOMUX(22, GPOUT_HIGH,
> +				      GPOEN_ENABLE,
> +				      GPI_NONE)>;
> +	};
> +};
> +
...
Re: [PATCH v1 4/4] riscv: dts: starfive: add Milk-V Mars CM Lite system-on-module
Posted by E Shattow 1 month ago 
On 8/20/25 19:40, Hal Feng wrote:
> On 7/24/2025 5:48 PM, E Shattow wrote:
>> 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 <e@freeshell.de>
>> ---
>>  arch/riscv/boot/dts/starfive/Makefile         |   1 +
>>  .../dts/starfive/jh7110-milkv-marscm-lite.dts | 176 ++++++++++++++++++
>>  2 files changed, 177 insertions(+)
>>  create mode 100644 arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
>>
>> diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
>> index 79742617ddab..62b659f89ba7 100644
>> --- a/arch/riscv/boot/dts/starfive/Makefile
>> +++ b/arch/riscv/boot/dts/starfive/Makefile
>> @@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-deepcomputing-fml13v01.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-mars.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-emmc.dtb
>> +dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-marscm-lite.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-pine64-star64.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
>> new file mode 100644
>> index 000000000000..e110146f0b76
>> --- /dev/null
>> +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-marscm-lite.dts
>> @@ -0,0 +1,176 @@
>> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>> +/*
>> + * Copyright (C) 2025 E Shattow <e@freeshell.de>
>> + */
>> +
>> +/dts-v1/;
>> +#include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
>> +#include <dt-bindings/interrupt-controller/irq.h>
>> +#include "jh7110-common.dtsi"
> 
> You can just include "jh7110-milkv-marscm-emmc.dts" instead of "jh7110-common.dtsi".
> And then adding mmc0 changes will be enough.
> 
> Best regards,
> Hal
> 
> ...
> 
>> +&mmc0 {
>> +	bus-width = <4>;
>> +	cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>;
>> +};
>> +
>> +&mmc0_pins {
>> +	pwren-pins {
>> +		pinmux = <GPIOMUX(22, GPOUT_HIGH,
>> +				      GPOEN_ENABLE,
>> +				      GPI_NONE)>;
>> +	};
>> +};
>> +
> ...
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

Okay. I will refactor the series to create and use
"jh7110-milkv-marscm.dtsi" common board include.

-E

Patchew 2.1-devel-b67e4c2

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