[PATCH v2 3/3] arm64: dts: freescale: Add InnoComm i.MX8MM based WB15 SoM and EVK

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Thu Sep 15 08:21:49 PDT 2022


On 13/09/2022 11:33, Sascha Hauer wrote:
> Add the InnoComm i.MX8MM based WB15 SoM and its EVK. The WB15 is a
> half credit card sized board featuring:
> 
> - i.MX8MM CPU
> - LPDDR4, 1GiB
> - eMMC, 8GiB
> - 1Gb Ethernet RGMII interface
> - WiFi 802.11 a/b/g/n/ac, Bluetooth 4.2
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Thank you for your patch. There is something to discuss/improve.

> +	pinctrl_fec: fecgrp {
> +		fsl,pins = <
> +			MX8MM_IOMUXC_ENET_MDC_ENET1_MDC			0x03
> +			MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO		0x03
> +			MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3		0x1f
> +			MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2		0x1f
> +			MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1		0x1f
> +			MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0		0x1f
> +			MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
> +			MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
> +			MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
> +			MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
> +			MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
> +			MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
> +			MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
> +			MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
> +		>;
> +	};
> +
> +	pinctrl_fec_phy: fecphygrp {
> +		fsl,pins = <
> +			MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9		0x19
> +		>;
> +	};
> +
> +	pinctrl_fec_phy_reg: fecphyreggrp {
> +		fsl,pins = <
> +			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10		0x16
> +		>;
> +	};
> +
> +	pinctrl_gpio_leds: led_grp {

No underscores in node names.

> +		fsl,pins = <
> +			MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3	0xd6
> +		>;
> +	};
> +
> +	pinctrl_reg_vsd_3v3: reg-vsd-3v3-grp {
> +		fsl,pins = <
> +			MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19	0x41
> +		>;
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-innocomm-wb15.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-innocomm-wb15.dtsi
> new file mode 100644
> index 0000000000000..4a20508d560dd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-innocomm-wb15.dtsi
> @@ -0,0 +1,480 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2018 Bang & Olufsen
> + */
> +
> +#include "imx8mm.dtsi"
> +#include <dt-bindings/phy/phy-imx8-pcie.h>
> +
> +/ {
> +	reg_modem: regulator-modem {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_modem_regulator>;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-name = "epdev_on";
> +		gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
> +
> +	reg_3v3_out: regulator-3v3-out {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3V3_OUT";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +};
> +
> +&cpu_alert0 {
> +	temperature = <95000>;
> +};
> +
> +&cpu_crit0 {
> +	temperature = <105000>;
> +};
> +
> +&ddrc {
> +	operating-points-v2 = <&ddrc_opp_table>;
> +
> +	ddrc_opp_table: opp-table {
> +		compatible = "operating-points-v2";
> +
> +		opp-25000000 {
> +			opp-hz = /bits/ 64 <25000000>;
> +		};
> +
> +		opp-100000000 {
> +			opp-hz = /bits/ 64 <100000000>;
> +		};
> +
> +		opp-600000000 {
> +			opp-hz = /bits/ 64 <600000000>;
> +		};
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default", "gpio";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	pinctrl-1 = <&pinctrl_i2c1_gpio>;
> +	scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	status = "okay";
> +
> +	pmic at 4b {
> +		compatible = "rohm,bd71847";
> +		reg = <0x4b>;
> +		pinctrl-0 = <&pinctrl_pmic>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <3 GPIO_ACTIVE_LOW>;

Wrong flag. This is very old bug. Please base your work on recent DTSes.
Don't start with vendor/downstream DTS because it contains bugs. Instead
take recent mainline and customize it for the manufacturer.

> +		rohm,reset-snvs-powered;
> +


Best regards,
Krzysztof



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