Hi Jagan
On 2/28/21 4:52 PM, Jagan Teki wrote:
> i.Core STM32MP1 is an EDIMM SoM based on STM32MP157A from Engicam.
>
> General features:
> - STM32MP157A
> - Up to 1GB DDR3L
> - 4GB eMMC
> - 10/100 Ethernet
> - USB 2.0 Host/OTG
> - I2S
> - MIPI DSI to LVDS
> - rest of STM32MP157A features
>
> i.Core STM32MP1 needs to mount on top of Engicam baseboards
> for creating complete platform solutions.
>
> Add support for it.
>
> Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
> ---
> arch/arm/dts/stm32mp157a-icore-stm32mp1.dtsi | 196 +++++++++++++++++++
> 1 file changed, 196 insertions(+)
> create mode 100644 arch/arm/dts/stm32mp157a-icore-stm32mp1.dtsi
>
> diff --git a/arch/arm/dts/stm32mp157a-icore-stm32mp1.dtsi
> b/arch/arm/dts/stm32mp157a-icore-stm32mp1.dtsi
> new file mode 100644
> index 0000000000..01166ccacf
> --- /dev/null
> +++ b/arch/arm/dts/stm32mp157a-icore-stm32mp1.dtsi
> @@ -0,0 +1,196 @@
> +// 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,icore-stm32mp1", "st,stm32mp157";
> +
> + memory@c0000000 {
> + device_type = "memory";
> + reg = <0xc0000000 0x20000000>;
> + };
> +
> + 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;
> + };
> + };
> +
> + vddcore: regulator-vddcore {
> + compatible = "regulator-fixed";
> + regulator-name = "vddcore";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + };
> +
> + vdd: regulator-vdd {
> + compatible = "regulator-fixed";
> + regulator-name = "vdd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vdd_usb: regulator-vdd-usb {
> + compatible = "regulator-fixed";
> + regulator-name = "vdd_usb";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vdda: regulator-vdda {
> + compatible = "regulator-fixed";
> + regulator-name = "vdda";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vdd_ddr: regulator-vdd-ddr {
> + compatible = "regulator-fixed";
> + regulator-name = "vdd_ddr";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + };
> +
> + vtt_ddr: regulator-vtt-ddr {
> + compatible = "regulator-fixed";
> + regulator-name = "vtt_ddr";
> + regulator-min-microvolt = <675000>;
> + regulator-max-microvolt = <675000>;
> + regulator-always-on;
> + vin-supply = <&vdd>;
> + };
> +
> + vref_ddr: regulator-vref-ddr {
> + compatible = "regulator-fixed";
> + regulator-name = "vref_ddr";
> + regulator-min-microvolt = <675000>;
> + regulator-max-microvolt = <675000>;
> + regulator-always-on;
> + vin-supply = <&vdd>;
> + };
> +
> + vdd_sd: regulator-vdd-sd {
> + compatible = "regulator-fixed";
> + regulator-name = "vdd_sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + v3v3: regulator-v3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "v3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + v2v8: regulator-v2v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "v2v8";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + regulator-always-on;
> + vin-supply = <&v3v3>;
> + };
> +
> + v1v8: regulator-v1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "v1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + vin-supply = <&v3v3>;
> + };
> +};
> +
> +&dts {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + i2c-scl-falling-time-ns = <20>;
> + i2c-scl-rising-time-ns = <185>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&i2c2_pins_a>;
> + pinctrl-1 = <&i2c2_sleep_pins_a>;
> + status = "okay";
> +};
> +
> +&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
