[PATCH 6/9] ARM: dts: stm32: Add Engicam MicroGEA STM32MP1 Micro SoM

[Patrice CHOTARD]

Hi Jagan

On 2/28/21 4:52 PM, Jagan Teki wrote:
> MicroGEA STM32MP1 is a STM32MP157A based Micro SoM.
> 
> General features:
> - STM32MP157AAC
> - Up to 1GB DDR3L-800
> - 512MB Nand flash
> - I2S
> 
> MicroGEA STM32MP1 needs to mount on top of Engicam MicroDev carrier
> boards for creating complete platform solutions.
> 
> Add support for it.
> 
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
>  .../dts/stm32mp157a-microgea-stm32mp1.dtsi    | 148 ++++++++++++++++++
>  1 file changed, 148 insertions(+)
>  create mode 100644 arch/arm/dts/stm32mp157a-microgea-stm32mp1.dtsi
> 
> diff --git a/arch/arm/dts/stm32mp157a-microgea-stm32mp1.dtsi b/arch/arm/dts/stm32mp157a-microgea-stm32mp1.dtsi
> new file mode 100644
> index 0000000000..0b85175f15
> --- /dev/null
> +++ b/arch/arm/dts/stm32mp157a-microgea-stm32mp1.dtsi
> @@ -0,0 +1,148 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
> + * Copyright (c) 2020 Engicam srl
> + * Copyright (c) 2020 Amarula Solutons(India)
> + */
> +
> +/ {
> +	compatible = "engicam,microgea-stm32mp1", "st,stm32mp157";
> +
> +	memory at c0000000 {
> +		device_type = "memory";
> +		reg = <0xc0000000 0x10000000>;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		mcuram2: mcuram2 at 10000000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x10000000 0x40000>;
> +			no-map;
> +		};
> +
> +		vdev0vring0: vdev0vring0 at 10040000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x10040000 0x1000>;
> +			no-map;
> +		};
> +
> +		vdev0vring1: vdev0vring1 at 10041000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x10041000 0x1000>;
> +			no-map;
> +		};
> +
> +		vdev0buffer: vdev0buffer at 10042000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x10042000 0x4000>;
> +			no-map;
> +		};
> +
> +		mcuram: mcuram at 30000000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x30000000 0x40000>;
> +			no-map;
> +		};
> +
> +		retram: retram at 38000000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x38000000 0x10000>;
> +			no-map;
> +		};
> +	};
> +
> +	vin: regulator-vin {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vin";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	vddcore: regulator-vddcore {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vddcore";
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +		regulator-always-on;
> +		vin-supply = <&vin>;
> +	};
> +
> +	vdd: regulator-vdd {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vdd";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +		vin-supply = <&vin>;
> +	};
> +
> +	vddq_ddr: regulator-vddq-ddr {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vddq_ddr";
> +		regulator-min-microvolt = <1350000>;
> +		regulator-max-microvolt = <1350000>;
> +		regulator-always-on;
> +		vin-supply = <&vin>;
> +	};
> +};
> +
> +&dts {
> +	status = "okay";
> +};
> +
> +&fmc {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&fmc_pins_a>;
> +	pinctrl-1 = <&fmc_sleep_pins_a>;
> +	status = "okay";
> +
> +	nand-controller at 4,0 {
> +		status = "okay";
> +
> +		nand at 0 {
> +			reg = <0>;
> +			nand-on-flash-bbt;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +		};
> +	};
> +};
> +
> +&ipcc {
> +	status = "okay";
> +};
> +
> +&iwdg2{
> +	timeout-sec = <32>;
> +	status = "okay";
> +};
> +
> +&m4_rproc{
> +	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
> +			<&vdev0vring1>, <&vdev0buffer>;
> +	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
> +	mbox-names = "vq0", "vq1", "shutdown";
> +	interrupt-parent = <&exti>;
> +	interrupts = <68 1>;
> +	status = "okay";
> +};
> +
> +&rng1 {
> +	status = "okay";
> +};
> +
> +&rtc{
> +	status = "okay";
> +};
> +
> +&vrefbuf {
> +	regulator-min-microvolt = <2500000>;
> +	regulator-max-microvolt = <2500000>;
> +	vdda-supply = <&vdd>;
> +	status = "okay";
> +};
> 

Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
Thanks
Patrice