[PATCH v2 02/10] ARM: dts: stm32: Add Engicam MicroGEA STM32MP1 SoM
From: Jagan Teki <jagan@amarulasolutions.com>
Date: 2021-02-26 07:05:21
Also in:
linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
MicroGEA STM32MP1 is an EDIMM SoM based on STM32MP157A from Engicam. 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: Matteo Lisi <redacted> Signed-off-by: Francesco Utel <redacted> Signed-off-by: Mirko Ardinghi <redacted> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> --- Changes for v2: - none .../dts/stm32mp157a-microgea-stm32mp1.dtsi | 147 ++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1.dtsi
diff --git a/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1.dtsi b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1.dtsi
new file mode 100644
index 000000000000..97d569107bfe
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1.dtsi@@ -0,0 +1,147 @@ +// 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 { + 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"; +};
--
2.25.1