linux-kernel - [PATCH v2 08/10] ARM: dts: stm32: Add Engicam i.Core STM32MP1 C.TOUCH 2.0

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Message-Id: <20210226070304.8028-9-jagan@amarulasolutions.com>
Date:   Fri, 26 Feb 2021 12:33:02 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH v2 08/10] ARM: dts: stm32: Add Engicam i.Core STM32MP1 C.TOUCH 2.0

Engicam C.TOUCH 2.0 is an EDIMM compliant general purpose Carrier
board.

Genaral features:
- Ethernet 10/100
- Wifi/BT
- USB Type A/OTG
- Audio Out
- CAN
- LVDS panel connector

i.Core STM32MP1 is an EDIMM SoM based on STM32MP157A from Engicam.

i.Core STM32MP1 needs to mount on top of this Carrier board for
creating complete i.Core STM32MP1 C.TOUCH 2.0 board.

Add support for it.

Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
Changes for v2:
- new patch

 arch/arm/boot/dts/Makefile                    |  1 +
 .../stm32mp157a-icore-stm32mp1-ctouch2.dts    | 47 +++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-ctouch2.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 1332622a3f9f..6dc39bddaf7e 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1073,6 +1073,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32mp157a-iot-box.dtb \
 	stm32mp157a-microgea-stm32mp1-microdev2.0.dtb \
 	stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dtb \
+	stm32mp157a-icore-stm32mp1-ctouch2.dtb \
 	stm32mp157a-stinger96.dtb \
 	stm32mp157c-dhcom-pdk2.dtb \
 	stm32mp157c-dhcom-picoitx.dtb \
diff --git a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-ctouch2.dts b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-ctouch2.dts
new file mode 100644
index 000000000000..d3058a036c74
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-ctouch2.dts
@@ -0,0 +1,47 @@
+// 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)
+ */
+
+/dts-v1/;
+#include "stm32mp157.dtsi"
+#include "stm32mp157a-icore-stm32mp1.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Engicam i.Core STM32MP1 C.TOUCH 2.0";
+	compatible = "engicam,icore-stm32mp1-ctouch2",
+		     "engicam,icore-stm32mp1", "st,stm32mp157";
+
+	aliases {
+		serial0 = &uart4;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&sdmmc1 {
+	bus-width = <4>;
+	disable-wp;
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	st,neg-edge;
+	vmmc-supply = <&v3v3>;
+	status = "okay";
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins_a>;
+	pinctrl-1 = <&uart4_sleep_pins_a>;
+	pinctrl-2 = <&uart4_idle_pins_a>;
+	status = "okay";
+};
-- 
2.25.1