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Message-ID: <20211206013531.GO4216@dragon>
Date: Mon, 6 Dec 2021 09:35:31 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, aisheng.dong@....com,
festevam@...il.com, ioana.ciornei@....com,
jagan@...rulasolutions.com, kernel@...gutronix.de, krzk@...nel.org,
linux-imx@....com, matt@...verse.com.au, matteo.lisi@...icam.com,
meenakshi.aggarwal@....com, michael@...rulasolutions.com,
nathan@...nel.org, robh+dt@...nel.org, s.hauer@...gutronix.de,
tharvey@...eworks.com
Subject: Re: [PATCH v2 5/5] arm: dts: imx8ulz-bsh-smm-m2: Add BSH SMM-M2
IMX6ULZ SystemMaster
On Tue, Nov 23, 2021 at 12:12:52PM -0300, Ariel D'Alessandro wrote:
> From: Michael Trimarchi <michael@...rulasolutions.com>
>
> 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@...labora.com>
> Signed-off-by: Michael Trimarchi <michael@...rulasolutions.com>
> ---
> 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.
> + };
> +
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_bluetooth_uart>;
> + uart-has-rtscts;
> +
Unneeded newline.
> + 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?
> + keep-power-in-suspend;
> + wifi-host;
and this?
> + 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.
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpmi_nand>;
> + status = "okay";
End property list with status.
> + nand-on-flash-bbt;
> +};
> +
> +&iomuxc {
> + pinctrl_bluetooth_uart: uart3grp {
Name label and node consistently.
> + 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.
> + 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.
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
>
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