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 <ja...@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@c0000000 {
> + device_type = "memory";
> + reg = <0xc0000000 0x10000000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + mcuram2: mcuram2@10000000 {
> + compatible = "shared-dma-pool";
> + reg = <0x10000000 0x40000>;
> + no-map;
> + };
> +
> + vdev0vring0: vdev0vring0@10040000 {
> + compatible = "shared-dma-pool";
> + reg = <0x10040000 0x1000>;
> + no-map;
> + };
> +
> + vdev0vring1: vdev0vring1@10041000 {
> + compatible = "shared-dma-pool";
> + reg = <0x10041000 0x1000>;
> + no-map;
> + };
> +
> + vdev0buffer: vdev0buffer@10042000 {
> + compatible = "shared-dma-pool";
> + reg = <0x10042000 0x4000>;
> + no-map;
> + };
> +
> + mcuram: mcuram@30000000 {
> + compatible = "shared-dma-pool";
> + reg = <0x30000000 0x40000>;
> + no-map;
> + };
> +
> + retram: retram@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@4,0 {
> + status = "okay";
> +
> + nand@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.chot...@foss.st.com>
Thanks
Patrice
