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From: Fabio Aiuto <fabio.aiuto@engicam.com>
To: Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: devicetree@vger.kernel.org,
	imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Fabio Aiuto <fabio.aiuto@engicam.com>,
	Matteo Lisi <matteo.lisi@engicam.com>,
	Mirko Ardinghi <mirko.ardinghi@engicam.com>,
	Peng Fan <peng.fan@nxp.com>,
	Michael Trimarchi <michael@amarulasolutions.com>
Subject: [PATCH v6 3/3] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM 2.0 Starter Kit
Date: Fri, 26 Apr 2024 17:27:30 +0200
Message-Id: <20240426152730.9806-4-fabio.aiuto@engicam.com>
In-Reply-To: <20240426152730.9806-1-fabio.aiuto@engicam.com>
References: <20240426152730.9806-1-fabio.aiuto@engicam.com>
Precedence: bulk
MIME-Version: 1.0
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i.Core MX93 is a NXP i.MX93 based SoM by Enigcam which needs to be
mounted on top of Engicam baseboards.

Add support for EDIMM 2.0 Starter Kit hosting i.Core MX93.

Starter Kit main features:

2x LVDS interfaces
HDMI output
Audio out
Mic in
Micro SD card slot
USB 3.0 A port
3x USB 2.0 A port
Gb Ethernet
2x CAN bus, 3x UART interfaces
SIM card slot
M.2 KEY_B slot

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Mirko Ardinghi <mirko.ardinghi@engicam.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Fabio Aiuto <fabio.aiuto@engicam.com>
---
v5 ---> v6:
	- added property in lpuart5 node
	- removed unused sai1 node
	- move Cc tag to Reviewed-by tag
v4 ---> v5:
	- done some property reorder, indentation fixes, node rename,
	  drop/add new lines
	- added Reviewed-by tag
v3 ---> v4:
	- drop wl_reg_on regulator in favor of mmc-pwrseq-simple
	- add Cc tag
v2 ---> v3:
	- fixed dtschema warnings
	- removed regulator-always-on on bt_reg_on
	- fixed clock rate assignment on sgtl5000 node
	- fixed indentation issue
v1 ---> v2:
	- fixed indentation issue
	- fixed missing space issue
	- improved naming of regulator nodes
	- removed unneeded include

 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../dts/freescale/imx93-icore-mx93-edimm2.dts | 324 ++++++++++++++++++
 2 files changed, 325 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 045250d0a040..d26c0a458a44 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -226,6 +226,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx93-icore-mx93-edimm2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
new file mode 100644
index 000000000000..149707d84165
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-icore-mx93-edimm2.dts
@@ -0,0 +1,324 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 NXP
+ * Copyright 2024 Engicam s.r.l.
+ */
+
+/dts-v1/;
+
+#include "imx93-icore-mx93.dtsi"
+
+/ {
+	model = "Engicam i.Core MX93 - EDIMM 2 Starterkit";
+	compatible = "engicam,icore-mx93-edimm2", "engicam,icore-mx93",
+		     "fsl,imx93";
+
+	aliases {
+		rtc1 = &bbnsm_rtc;
+	};
+
+	chosen {
+		stdout-path = &lpuart1;
+	};
+
+	bt_reg_on: regulator-btregon {
+		compatible = "regulator-gpio";
+		regulator-name = "BT_REG_ON";
+		regulator-min-microvolt = <100000>;
+		regulator-max-microvolt = <3300000>;
+		states = <3300000 0x1>, <100000 0x0>;
+		gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+	};
+
+	reg_1v8_sgtl: regulator-1v8-sgtl {
+		compatible = "regulator-fixed";
+		regulator-name = "1v8_sgtl";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	reg_3v3_avdd_sgtl: regulator-3v3-avdd-sgtl {
+		compatible = "regulator-fixed";
+		regulator-name = "3v3_avdd_sgtl";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	reg_3v3_sgtl: regulator-3v3-sgtl {
+		compatible = "regulator-fixed";
+		regulator-name = "3v3_sgtl";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			alloc-ranges = <0 0x80000000 0 0x40000000>;
+			size = <0 0x10000000>;
+			linux,cma-default;
+		};
+
+		rsc_table: rsc-table@2021f000 {
+			reg = <0 0x2021f000 0 0x1000>;
+			no-map;
+		};
+
+		vdevbuffer: vdevbuffer@a4020000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0xa4020000 0 0x100000>;
+			no-map;
+		};
+
+		vdev0vring0: vdev0vring0@a4000000 {
+			reg = <0 0xa4000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@a4008000 {
+			reg = <0 0xa4008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: vdev1vring0@a4000000 {
+			reg = <0 0xa4010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: vdev1vring1@a4018000 {
+			reg = <0 0xa4018000 0 0x8000>;
+			no-map;
+		};
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "imx93-sgtl5000";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,bitclock-master = <&dailink_master>;
+		simple-audio-card,frame-master = <&dailink_master>;
+		/*simple-audio-card,mclk-fs = <1>;*/
+
+		simple-audio-card,cpu {
+			sound-dai = <&sai3>;
+		};
+
+		dailink_master: simple-audio-card,codec {
+			sound-dai = <&sgtl5000>;
+			clocks = <&clk IMX93_CLK_SAI3_IPG>;
+		};
+	};
+
+	usdhc3_pwrseq: usdhc3-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usdhc3_pwrseq>;
+		reset-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&cm33 {
+	mbox-names = "tx", "rx", "rxdb";
+	mboxes = <&mu1 0 1>,
+		 <&mu1 1 1>,
+		 <&mu1 3 1>;
+	memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+			<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+	status = "okay";
+};
+
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	fsl,stop-mode = <&aonmix_ns_gpr 0x10 4>;
+	status = "okay";
+};
+
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	fsl,stop-mode = <&aonmix_ns_gpr 0x10 4>;
+	status = "okay";
+};
+
+&lpi2c1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_lpi2c1>;
+	pinctrl-1 = <&pinctrl_lpi2c1>;
+	status = "okay";
+
+	sgtl5000: audio-codec@a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		#sound-dai-cells = <0>;
+		clocks = <&clk IMX93_CLK_SAI3_GATE>;
+		VDDA-supply = <&reg_3v3_avdd_sgtl>;
+		VDDIO-supply = <&reg_3v3_sgtl>;
+		VDDD-supply = <&reg_1v8_sgtl>;
+		status = "okay";
+	};
+
+	pcf8523: rtc@68 {
+		compatible = "nxp,pcf8523";
+		reg = <0x68>;
+	};
+};
+
+&lpuart1 { /* console */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&lpuart5 { /* RS485 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&lpuart8 { /* RS232 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart8>;
+	status = "okay";
+};
+
+&micfil {
+	#sound-dai-cells = <0>;
+	assigned-clocks = <&clk IMX93_CLK_PDM>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+	assigned-clock-rates = <196608000>;
+	status = "okay";
+};
+
+&mu1 {
+	status = "okay";
+};
+
+&mu2 {
+	status = "okay";
+};
+
+&sai3 {
+	#sound-dai-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai3>;
+	assigned-clocks = <&clk IMX93_CLK_SAI3>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+	assigned-clock-rates = <24576000>;
+	fsl,sai-mclk-direction-output;
+	status = "okay";
+};
+
+&usdhc3 { /* WiFi */
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	pinctrl-1 = <&pinctrl_usdhc3>;
+	pinctrl-2 = <&pinctrl_usdhc3>;
+	mmc-pwrseq = <&usdhc3_pwrseq>;
+	bus-width = <4>;
+	no-1-8-v;
+	non-removable;
+	max-frequency = <25000000>;
+	status = "okay";
+
+	brcmf: bcrmf@1 {
+		compatible = "brcm,bcm4329-fmac";
+		reg = <1>;
+	};
+};
+
+&wdog3 {
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_bluetooth: bluetoothgrp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO19__GPIO2_IO19		0x31e /* BT_REG_ON */
+		>;
+	};
+
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX93_PAD_PDM_CLK__CAN1_TX		0x139e
+			MX93_PAD_PDM_BIT_STREAM0__CAN1_RX	0x139e
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO25__CAN2_TX		0x139e
+			MX93_PAD_GPIO_IO27__CAN2_RX		0x139e
+		>;
+	};
+
+	pinctrl_lpi2c1: lpi2c1grp {
+		fsl,pins = <
+			MX93_PAD_I2C1_SCL__LPI2C1_SCL		0x40000b9e
+			MX93_PAD_I2C1_SDA__LPI2C1_SDA		0x40000b9e
+		>;
+	};
+
+	pinctrl_sai3: sai3grp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO26__SAI3_TX_SYNC	0x31e
+			MX93_PAD_GPIO_IO16__SAI3_TX_BCLK	0x31e
+			MX93_PAD_GPIO_IO17__SAI3_MCLK		0x31e
+			MX93_PAD_GPIO_IO21__SAI3_TX_DATA00	0x31e
+			MX93_PAD_GPIO_IO20__SAI3_RX_DATA00	0x31e
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX93_PAD_UART1_RXD__LPUART1_RX		0x31e
+			MX93_PAD_UART1_TXD__LPUART1_TX		0x31e
+		>;
+	};
+
+	pinctrl_uart5: uart5grp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO01__LPUART5_RX		0x31e
+			MX93_PAD_GPIO_IO00__LPUART5_TX		0x31e
+			MX93_PAD_GPIO_IO02__LPUART5_CTS_B	0x31e
+		>;
+	};
+
+	pinctrl_uart8: uart8grp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO13__LPUART8_RX		0x31e
+			MX93_PAD_GPIO_IO12__LPUART8_TX		0x31e
+		>;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX93_PAD_SD3_CLK__USDHC3_CLK		0x17fe
+			MX93_PAD_SD3_CMD__USDHC3_CMD		0x13fe
+			MX93_PAD_SD3_DATA0__USDHC3_DATA0	0x13fe
+			MX93_PAD_SD3_DATA1__USDHC3_DATA1        0x13fe
+			MX93_PAD_SD3_DATA2__USDHC3_DATA2        0x13fe
+			MX93_PAD_SD3_DATA3__USDHC3_DATA3        0x13fe
+		>;
+	};
+
+	pinctrl_usdhc3_pwrseq: usdhc3pwrseqgrp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO22__GPIO2_IO22		0x31e /* WL_REG_ON */
+		>;
+	};
+};
-- 
2.34.1