Re: [PATCH v2 5/5] arm: dts: imx8ulz-bsh-smm-m2: Add BSH SMM-M2 IMX6ULZ SystemMaster

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Hi Shawn,

On 12/5/21 10:35 PM, Shawn Guo wrote:
> On Tue, Nov 23, 2021 at 12:12:52PM -0300, Ariel D'Alessandro wrote:
>> From: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
>>
>> Add DTS of BSH SMM-M2 SystemMaster.
>>
>> This version comes with:
>> - 128 MiB DDR3 RAM
>> - 256 MiB Nand
>> - wifi
>> - bluetooth
>>
>> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx>
>> Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
>> ---
>>  arch/arm/boot/dts/Makefile               |   3 +-
>>  arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts | 153 +++++++++++++++++++++++
>>  2 files changed, 155 insertions(+), 1 deletion(-)
>>  create mode 100644 arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index 0de64f237cd8..e6d4ad497985 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -693,7 +693,8 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
>>  	imx6ull-phytec-segin-ff-rdk-nand.dtb \
>>  	imx6ull-phytec-segin-ff-rdk-emmc.dtb \
>>  	imx6ull-phytec-segin-lc-rdk-nand.dtb \
>> -	imx6ulz-14x14-evk.dtb
>> +	imx6ulz-14x14-evk.dtb \
>> +	imx6ulz-bsh-smm-m2.dts
>>  dtb-$(CONFIG_SOC_IMX7D) += \
>>  	imx7d-cl-som-imx7.dtb \
>>  	imx7d-colibri-aster.dtb \
>> diff --git a/arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts b/arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts
>> new file mode 100644
>> index 000000000000..9e82860469e3
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts
>> @@ -0,0 +1,153 @@
>> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
>> +/*
>> + * Copyright (C) 2021 BSH Hausgeraete GmbH
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/input/input.h>
>> +#include "imx6ulz.dtsi"
>> +
>> +/ {
>> +	model = "BSH SMM M2";
>> +	compatible = "bsh,imx6ulz-bsh-smm-m2", "fsl,imx6ull";
>> +
>> +	chosen {
>> +		stdout-path = &uart4;
>> +	};
>> +
>> +	usdhc2_pwrseq: usdhc2_pwrseq {
>> +		compatible = "mmc-pwrseq-simple";
>> +		reset-gpios = <&gpio2 21 GPIO_ACTIVE_LOW>;
>> +		status = "okay";
> 
> "okay" status is generally used to flip "disabled" devices.

Fixed in v3.

> 
>> +	};
>> +
>> +};
>> +
>> +&uart3 {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_bluetooth_uart>;
>> +	uart-has-rtscts;
>> +
> 
> Unneeded newline.

Fixed in v3.

> 
>> +	status = "okay";
>> +
>> +	bluetooth {
>> +		compatible = "brcm,bcm4330-bt";
>> +		max-speed = <3000000>;
>> +		shutdown-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
>> +		device-wakeup-gpios = <&gpio2 17 GPIO_ACTIVE_HIGH>;
>> +		host-wakeup-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
>> +	};
>> +};
>> +
>> +&uart4 {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_debug_uart>;
>> +	status = "okay";
>> +};
>> +
>> +&usbotg1 {
>> +	dr_mode = "peripheral";
>> +	srp-disable;
>> +	hnp-disable;
>> +	adp-disable;
>> +	status = "okay";
>> +};
>> +
>> +&usbphy1 {
>> +	fsl,tx-d-cal = <106>;
>> +};
>> +
>> +&usdhc2 {
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_wlan>;
>> +	bus-width = <4>;
>> +	no-1-8-v;
>> +	non-removable;
>> +	cap-power-off-card;
>> +	pm-ignore-notify;
> 
> What is this?

Wrong vendor property, removed in v3.

Interesting there're other cases as well:

$ git grep -w pm-ignore-notify
arch/arm/boot/dts/imx6ulz-bsh-smm-m2.dts:       pm-ignore-notify;
arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi:   pm-ignore-notify;
arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm-ctouch2.dts:
pm-ignore-notify;
arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm-edimm2.2.dts:
pm-ignore-notify;
arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi:   pm-ignore-notify;
arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi:    pm-ignore-notify;

> 
>> +	keep-power-in-suspend;
>> +	wifi-host;
> 
> and this?

Wrong vendor property, removed in v3.

> 
>> +	cap-sdio-irq;
>> +	mmc-pwrseq = <&usdhc2_pwrseq>;
>> +	status = "okay";
>> +
>> +	brcmf: wifi@1 {
>> +		reg = <1>;
>> +		compatible = "brcm,bcm4329-fmac";
>> +		interrupt-parent = <&gpio1>;
>> +		interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
>> +		interrupt-names = "host-wake";
>> +	};
>> +};
>> +
>> +&wdog1 {
>> +	status = "okay";
>> +};
>> +
>> +&gpmi {
> 
> Out of alphabetical order.

Fixed in v3.

> 
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_gpmi_nand>;
>> +	status = "okay";
> 
> End property list with status.

Fixed in v3.

> 
>> +	nand-on-flash-bbt;
>> +};
>> +
>> +&iomuxc {
>> +	pinctrl_bluetooth_uart: uart3grp {
> 
> Name label and node consistently.

Fixed in v3.

> 
>> +		fsl,pins = <
>> +			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
>> +			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b099
>> +			MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS	0x1b0b1
>> +			MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS	0x1b099
>> +
> 
> Unnecessary newline.

Fixed in v3.

> 
>> +			MX6UL_PAD_GPIO1_IO01__GPIO1_IO01	0x79		/* BT_REG_ON */
>> +			MX6UL_PAD_SD1_CLK__GPIO2_IO17		0x100b1		/* BT_DEV_WAKE out */
>> +			MX6UL_PAD_ENET2_TX_EN__GPIO2_IO13	0x1b0b0		/* BT_HOST_WAKE in */
>> +		>;
>> +	};
>> +
>> +	pinctrl_debug_uart: uart4grp {
>> +		fsl,pins = <
>> +			MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX	0x1b0b1
>> +			MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX	0x1b0b1
>> +		>;
>> +	};
>> +
>> +	pinctrl_gpmi_nand: gpmi-nand {
> 
> Name node in the same style as others.

Fixed in v3.

> 
> Shawn
> 
>> +		fsl,pins = <
>> +			MX6UL_PAD_NAND_CLE__RAWNAND_CLE		0xb0b1
>> +			MX6UL_PAD_NAND_ALE__RAWNAND_ALE		0xb0b1
>> +			MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B	0xb0b1
>> +			MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B	0xb000
>> +			MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B	0xb0b1
>> +			MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B	0xb0b1
>> +			MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B	0xb0b1
>> +			MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00	0xb0b1
>> +			MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01	0xb0b1
>> +			MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02	0xb0b1
>> +			MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03	0xb0b1
>> +			MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04	0xb0b1
>> +			MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05	0xb0b1
>> +			MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06	0xb0b1
>> +			MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07	0xb0b1
>> +		>;
>> +	};
>> +
>> +	pinctrl_wlan: wlangrp {
>> +		fsl,pins = <
>> +			MX6UL_PAD_CSI_HSYNC__USDHC2_CMD		0x17059
>> +			MX6UL_PAD_CSI_VSYNC__USDHC2_CLK		0x10059
>> +			MX6UL_PAD_CSI_DATA00__USDHC2_DATA0	0x17059
>> +			MX6UL_PAD_CSI_DATA01__USDHC2_DATA1	0x17059
>> +			MX6UL_PAD_CSI_DATA02__USDHC2_DATA2	0x17059
>> +			MX6UL_PAD_CSI_DATA03__USDHC2_DATA3	0x17059
>> +
>> +			MX6UL_PAD_SD1_DATA3__GPIO2_IO21		0x79		/* WL_REG_ON */
>> +			MX6UL_PAD_UART2_CTS_B__GPIO1_IO22	0x100b1		/* WL_DEV_WAKE - WiFi_GPIO_4 - WiFi FW UART */
>> +			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x1b0b1		/* WL_HOST_WAKE - WIFI_GPIO_0 - OOB IRQ */
>> +			MX6UL_PAD_ENET1_RX_EN__OSC32K_32K_OUT	0x4001b031	/* OSC 32Khz wifi clk in */
>> +		>;
>> +	};
>> +};
>> -- 
>> 2.30.2
>>

Regards,
Ariel



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