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Message-ID:
 <PAXPR04MB8459728C46300E5507CBA6F188B22@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Thu, 1 Aug 2024 02:10:28 +0000
From: Peng Fan <peng.fan@....com>
To: Frieder Schrempf <frieder@...s.de>, Conor Dooley <conor+dt@...nel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>, Krzysztof Kozlowski
	<krzk+dt@...nel.org>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, Rob Herring <robh@...nel.org>, Sascha Hauer
	<s.hauer@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>
CC: Frieder Schrempf <frieder.schrempf@...tron.de>, Alexander Stein
	<alexander.stein@...tq-group.com>, Fabio Estevam <festevam@...il.com>,
	Francesco Dolcini <francesco.dolcini@...adex.com>, Gregor Herburger
	<gregor.herburger@...tq-group.com>, Joao Paulo Goncalves
	<joao.goncalves@...adex.com>, Parthiban Nallathambi <parthiban@...umiz.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>, "tharvey@...eworks.com"
	<tharvey@...eworks.com>
Subject: RE: [PATCH v3 2/2] arm64: dts: Add support for Kontron i.MX93 OSM-S
 SoM and BL carrier board

> Subject: [PATCH v3 2/2] arm64: dts: Add support for Kontron i.MX93
> OSM-S SoM and BL carrier board
> 
> From: Frieder Schrempf <frieder.schrempf@...tron.de>
> 
> This adds support for the Kontron Electronics OSM-S i.MX93 SoM and
> the matching baseboard BL i.MX93.
> 
> The SoM hardware complies to the Open Standard Module (OSM) 1.1
> specification, size S
> 
> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../dts/freescale/imx93-kontron-bl-osm-s.dts  | 165 ++++++
>  .../dts/freescale/imx93-kontron-osm-s.dtsi    | 547
> ++++++++++++++++++
>  3 files changed, 713 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx93-kontron-
> bl-osm-s.dts
>  create mode 100644 arch/arm64/boot/dts/freescale/imx93-kontron-
> osm-s.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile
> b/arch/arm64/boot/dts/freescale/Makefile
> index f04c22b7de72e..c6e82dfe37576 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -238,6 +238,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-
> tqma8xqp-mba8xx.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb
>  dtb-$(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-kontron-bl-osm-s.dts
> b/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts
> new file mode 100644
> index 0000000000000..2dfa2381f4691
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts
> @@ -0,0 +1,165 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Kontron Electronics GmbH  */
> +
> +/dts-v1/;
> +
> +#include "imx93-kontron-osm-s.dtsi"
> +
> +/ {
> +	model = "Kontron BL i.MX93 OSM-S";
> +	compatible = "kontron,imx93-bl-osm-s", "kontron,imx93-osm-
> s",
> +"fsl,imx93";
> +
> +	aliases {
> +		ethernet0 = &fec;
> +		ethernet1 = &eqos;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led1 {
> +			label = "led1";
> +			gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +		};
> +	};
> +
> +	pwm-beeper {
> +		compatible = "pwm-beeper";
> +		pwms = <&tpm6 1 5000 0>;
> +	};
> +
> +	reg_vcc_panel: regulator-vcc-panel {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>;

"enable-active-high" should be put under gpio property.

> +		regulator-max-microvolt = <3300000>;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-name = "VCC_PANEL";
> +	};
> +};
> +
> +&lpspi8 {
> +	status = "okay";
> +	assigned-clocks = <&clk IMX93_CLK_LPSPI8>;
> +	assigned-clock-parents = <&clk
> IMX93_CLK_SYS_PLL_PFD0_DIV2>;
> +	assigned-clock-rates = <100000000>;
> +
> +	eeram@0 {
> +		compatible = "microchip,48l640";
> +		reg = <0>;
> +		spi-max-frequency = <20000000>;
> +	};
> +};
> +
> +&eqos {	/* Second ethernet (OSM-S ETH_B) */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_eqos_rgmii>;
> +	phy-mode = "rgmii-id";
> +	phy-handle = <&ethphy1>;
> +	status = "okay";
> +
> +	mdio {
> +		compatible = "snps,dwmac-mdio";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ethphy1: ethernet-phy@1 {
> +			compatible = "ethernet-phy-id4f51.e91b";
> +			reg = <1>;
> +			reset-assert-us = <10000>;
> +			reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +};
> +
> +&fec { /* First ethernet (OSM-S ETH_A) */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet_rgmii>;
> +	phy-connection-type = "rgmii-id";
> +	phy-handle = <&ethphy0>;
> +	status = "okay";
> +
> +	mdio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ethphy0: ethernet-phy@1 {
> +			compatible = "ethernet-phy-id4f51.e91b";
> +			reg = <1>;
> +			reset-assert-us = <10000>;
> +			reset-gpios = <&gpio2 18 GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +};
> +
> +&flexcan1 {
> +	status = "okay";
> +};
> +
> +&lpi2c2 {
> +	status = "okay";
> +
> +	gpio_expander_dio: gpio@20 {
> +		compatible = "ti,tca6408";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		gpio-line-names = "DIO1_OUT","DIO1_IN",
> "DIO2_OUT","DIO2_IN",
> +				  "DIO3_OUT","DIO3_IN",
> "DIO4_OUT","DIO4_IN";
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <28 IRQ_TYPE_EDGE_FALLING>;
> +		reset-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
> +	};
> +};
> +
> +&lpuart1 {
> +	status = "okay";
> +};
> +
> +&lpuart7 {
> +	uart-has-rtscts;
> +	status = "okay";
> +};
> +
> +&lpuart6 {
> +	linux,rs485-enabled-at-boot-time;
> +	uart-has-rtscts;
> +	status = "okay";
> +};
> +
> +&tpm6 {
> +	status = "okay";
> +};
> +
> +&usbotg1 {
> +	disable-over-current;
> +	dr_mode = "host";
> +	status = "okay";
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	usb1@1 {
> +		compatible = "usb424,2514";
> +		reg = <1>;
> +	};
> +};
> +
> +&usbotg2 {
> +	adp-disable;
> +	hnp-disable;
> +	srp-disable;
> +
> +	disable-over-current;
> +	dr_mode = "otg";
> +	usb-role-switch;
> +	status = "okay";
> +};
> +
> +&usdhc2 {
> +	vmmc-supply = <&reg_vdd_3v3>;
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
> b/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
> new file mode 100644
> index 0000000000000..926c622d380ee
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi
> @@ -0,0 +1,547 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Kontron Electronics GmbH  */
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "imx93.dtsi"
> +
> +/ {
> +	model = "Kontron OSM-S i.MX93";
> +	compatible = "kontron,imx93-osm-s", "fsl,imx93";
> +
> +	aliases {
> +		rtc0 = &rv3028;
> +		rtc1 = &bbnsm_rtc;
> +	};
> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000 0 0x80000000>;
> +	};
> +
> +	chosen {
> +		stdout-path = &lpuart1;
> +	};
> +
> +	reg_usdhc2_vcc: regulator-usdhc2-vcc {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_reg_usdhc2_vcc>;
> +		enable-active-high;
> +		gpio = <&gpio3 7 GPIO_ACTIVE_HIGH>;

"enable-active-high" put under "gpio".

> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-name = "VCC_SDIO_A";
> +	};
> +
> +	reg_vdd_carrier: regulator-vdd-carrier {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_reg_vdd_carrier>;
> +		enable-active-high;
> +		gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;

Ditto.

> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-name = "VDD_CARRIER";
> +
> +		regulator-state-standby {
> +			regulator-on-in-suspend;
> +		};
> +
> +		regulator-state-mem {
> +			regulator-off-in-suspend;
> +		};
> +
> +		regulator-state-disk {
> +			regulator-off-in-suspend;
> +		};
> +	};
> +};
> +
> +&lpspi1 { /* OSM-S SPI_A */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpspi1>;
> +	cs-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; };
> +
> +&lpspi8 { /* OSM-S SPI_B */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpspi8>;
> +	cs-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; };
> +
> +&flexcan1 { /* OSM-S CAN_A */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan1>;
> +};
> +
> +&flexcan2 { /* OSM-S CAN_B */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan2>;
> +};
> +
> +&gpio1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_gpio1>;
> +	gpio-line-names = "", "", "I2C_A_SCL", "I2C_A_SDA",
> +			  "UART_CON_RX", "UART_CON_TX",
> "UART_C_RX", "UART_C_TX",
> +			  "CAN_A_TX", "CAN_A_RX", "GPIO_A_0",
> "SPI_A_CS0",
> +			  "SPI_A_SDI", "SPI_A_SCK","SPI_A_SDO"; };
> +
> +&gpio2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_gpio2>;
> +	gpio-line-names = "I2C_B_SDA", "I2C_B_SCL", "GPIO_B_1",
> "GPIO_A_2",
> +			  "UART_B_TX", "UART_B_RX", "UART_B_RTS",
> "UART_B_CTS",
> +			  "UART_A_TX", "UART_A_RX", "UART_A_RTS",
> "UART_A_CTS",
> +			  "SPI_B_CS0", "SPI_B_SDI", "SPI_B_SDO",
> "SPI_B_SCK",
> +			  "I2S_BITCLK", "I2S_MCLK", "GPIO_A_1",
> "I2S_A_DATA_OUT",
> +			  "I2S_A_DATA_IN", "PWM_2", "GPIO_A_3",
> "PWM_1",
> +			  "PWM_0", "CAN_B_TX", "I2S_LRCLK",
> "CAN_B_RX", "GPIO_A_4",
> +			  "GPIO_A_5";
> +};
> +
> +&gpio3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_gpio3>;
> +	gpio-line-names = "SDIO_A_CD", "SDIO_A_CLK",
> "SDIO_A_CMD", "SDIO_A_D0",
> +			  "SDIO_A_D1", "SDIO_A_D2", "SDIO_A_D3",
> "SDIO_A_PWR_EN",
> +			  "", "", "", "",
> +			  "", "", "", "",
> +			  "", "", "", "",
> +			  "SDIO_B_CLK", "SDIO_B_CMD",
> "SDIO_B_D0", "SDIO_B_D1",
> +			  "SDIO_B_D2", "SDIO_B_D3", "GPIO_A_6",
> "GPIO_A_7"; };
> +
> +&gpio4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_gpio4>;
> +	gpio-line-names = "ETH_B_MDC", "ETH_B_MDIO",
> "ETH_B_TXD4", "ETH_B_TXD3",
> +			  "ETH_B_TXD2", "ETH_B_TXD1",
> "ETH_B_TX_EN", "ETH_B_TX_CLK",
> +			  "ETH_B_RX_CTL", "ETH_B_RX_CLK",
> "ETH_B_RXD0", "ETH_B_RXD1",
> +			  "ETH_B_RXD2", "ETH_B_RXD3", "ETH_MDC",
> "ETH_MDIO",
> +			  "ETH_A_TXD3", "ETH_A_TXD2",
> "ETH_A_TXD1", "ETH_A_TXD0",
> +			  "ETH_A_TX_EN", "ETH_A_TX_CLK",
> "ETH_A_RX_CTL", "ETH_A_RX_CLK",
> +			  "ETH_A_RXD0", "ETH_A_RXD1",
> "ETH_A_RXD2", "ETH_A_RXD3",
> +			  "GPIO_B_0", "CARRIER_PWR_EN";
> +};
> +
> +&lpi2c1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c1>;
> +	status = "okay";
> +
> +	pca9451: pmic@25 {
> +		compatible = "nxp,pca9451a";
> +		reg = <0x25>;
> +		nxp,i2c-lt-enable;
> +
> +		regulators {
> +			reg_vdd_soc: BUCK1 { /* dual phase with
> BUCK3 */
> +				regulator-name = "+0V8_VDD_SOC
> (BUCK1)";
> +				regulator-min-microvolt = <650000>;
> +				regulator-max-microvolt = <950000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <3125>;
> +			};
> +
> +			reg_vddq_ddr: BUCK2 {
> +				regulator-name = "+0V6_VDDQ_DDR
> (BUCK2)";
> +				regulator-min-microvolt = <600000>;
> +				regulator-max-microvolt = <600000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				regulator-ramp-delay = <3125>;
> +			};
> +
> +			reg_vdd_3v3: BUCK4 {
> +				regulator-name = "+3V3 (BUCK4)";
> +				regulator-min-microvolt =
> <3300000>;
> +				regulator-max-microvolt =
> <3300000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			reg_vdd_1v8: BUCK5 {
> +				regulator-name = "+1V8 (BUCK5)";
> +				regulator-min-microvolt =
> <1800000>;
> +				regulator-max-microvolt =
> <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			reg_nvcc_dram: BUCK6 {
> +				regulator-name =
> "+1V1_NVCC_DRAM (BUCK6)";
> +				regulator-min-microvolt =
> <1100000>;
> +				regulator-max-microvolt =
> <1100000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			reg_nvcc_snvs: LDO1 {
> +				regulator-name = "+1V8_NVCC_SNVS
> (LDO1)";
> +				regulator-min-microvolt =
> <1800000>;
> +				regulator-max-microvolt =
> <1800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			reg_vdd_ana: LDO4 {
> +				regulator-name = "+0V8_VDD_ANA
> (LDO4)";
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <800000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +			};
> +
> +			reg_nvcc_sd: LDO5 {
> +				regulator-name = "NVCC_SD (LDO5)";
> +				regulator-min-microvolt =
> <1800000>;
> +				regulator-max-microvolt =
> <3300000>;
> +			};
> +		};
> +	};
> +
> +	eeprom@50 {
> +		compatible = "onnn,n24s64b", "atmel,24c64";
> +		reg = <0x50>;
> +		pagesize = <32>;
> +		size = <8192>;
> +		num-addresses = <1>;
> +	};
> +
> +	rv3028: rtc@52 {
> +		compatible = "microcrystal,rv3028";
> +		reg = <0x52>;
> +	};
> +};
> +
> +&lpi2c2 { /* OSM-S I2C_A */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c2>;
> +};
> +
> +&lpi2c3 { /* OSM-S I2C_B */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c3>;
> +};
> +
> +&tpm3 { /* OSM-S PWM_0 */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_tpm3>;
> +};
> +
> +&tpm4 { /* OSM-S PWM_2 */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_tpm4>;
> +};
> +
> +&tpm6 { /* OSM-S PWM_1 */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_tpm6>;
> +};
> +
> +&lpuart1 { /* OSM-S UART_CON */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpuart1>;
> +};
> +
> +&lpuart2 { /* OSM-S UART_C */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpuart2>;
> +};
> +
> +&lpuart6 { /* OSM-S UART_B */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpuart6>;
> +};
> +
> +&lpuart7 { /* OSM-S UART_A */
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpuart7>;
> +};
> +
> +&usdhc1 { /* eMMC */
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc1>;
> +	pinctrl-1 = <&pinctrl_usdhc1>;
> +	pinctrl-2 = <&pinctrl_usdhc1>;

Same pad settings?

> +	vmmc-supply = <&reg_vdd_3v3>;
> +	vqmmc-supply = <&reg_vdd_1v8>;
> +	bus-width = <8>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&usdhc2 { /* OSM-S SDIO_A */
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-1 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-2 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;

Ditto.

> +	vmmc-supply = <&reg_usdhc2_vcc>;
> +	cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>; };
> +
> +&usdhc3 { /* OSM-S SDIO_B */
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc3>;
> +	pinctrl-1 = <&pinctrl_usdhc3>;
> +	pinctrl-2 = <&pinctrl_usdhc3>;

Ditto.

Regards,
Peng.

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