Hi, Shawn Best Regards! Anson Huang > -----Original Message----- > From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx] > Sent: 2018年11月19日 21:46 > To: Anson Huang <anson.huang@xxxxxxx> > Cc: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; s.hauer@xxxxxxxxxxxxxx; > kernel@xxxxxxxxxxxxxx; Fabio Estevam <fabio.estevam@xxxxxxx>; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; dl-linux-imx <linux-imx@xxxxxxx> > Subject: Re: [PATCH V2] ARM: dts: imx7d-sdb: add rev-a board support > > On Fri, Nov 09, 2018 at 01:27:10AM +0000, Anson Huang wrote: > > Current imx7d-sdb.dts has some incorrect settings about Rev-A and > > Rev-B boards, some of the settings are based on Rev-A board but some > > are based on Rev-B board, clean up it by adding i.MX7D SDB Rev-A board > > support, make default imx7d-sdb.dts for Rev-B board as usual, and > > introduce imx7d-sdb-reva.dts for Rev-A board. Below are the affected > > differences of Rev-A and Rev-B board: > > > > Rev-A Rev-B > > USB_OTG2_PWR: UART3_CTS_B GPIO1_IO07 > > ENET_EN_B: None GPIO1_IO04 > > TP_INT_B: EPDC_DATA13 EPDC_BDR1 > > > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > > --- > > change since V1: > > remove "pinctrl-assert-gpios" which is unused in upstream, and use > > phy-supply to control fec2's enable pin, model the enable pin as GPIO > regulator. > > arch/arm/boot/dts/Makefile | 1 + > > arch/arm/boot/dts/imx7d-sdb-reva.dts | 39 > ++++++++++++++++++++++++++++++++++++ > > arch/arm/boot/dts/imx7d-sdb.dts | 29 > +++++++++++++++++++++++++-- > > 3 files changed, 67 insertions(+), 2 deletions(-) create mode 100644 > > arch/arm/boot/dts/imx7d-sdb-reva.dts > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > index ef9ffa4..6d133b9 100644 > > --- a/arch/arm/boot/dts/Makefile > > +++ b/arch/arm/boot/dts/Makefile > > @@ -572,6 +572,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \ > > imx7d-pico-pi.dtb \ > > imx7d-sbc-imx7.dtb \ > > imx7d-sdb.dtb \ > > + imx7d-sdb-reva.dtb \ > > imx7d-sdb-sht11.dtb \ > > imx7s-colibri-eval-v3.dtb \ > > imx7s-warp.dtb > > diff --git a/arch/arm/boot/dts/imx7d-sdb-reva.dts > > b/arch/arm/boot/dts/imx7d-sdb-reva.dts > > new file mode 100644 > > index 0000000..7741eaa > > --- /dev/null > > +++ b/arch/arm/boot/dts/imx7d-sdb-reva.dts > > @@ -0,0 +1,39 @@ > > +// SPDX-License-Identifier: GPL-2.0+ OR MIT // // Copyright (C) 2015 > > +Freescale Semiconductor, Inc. > > + > > +/dts-v1/; > > + > > +#include "imx7d-sdb.dts" > > + > > +/ { > > + reg_usb_otg2_vbus: regulator-usb-otg2-vbus { > > + gpio = <&gpio4 7 GPIO_ACTIVE_HIGH>; > > + }; > > +}; > > + > > +&fec2 { > > + /delete-property/phy-supply; > > +}; > > + > > +&iomuxc { > > + imx7d-sdb { > > + pinctrl_tsc2046_pendown: tsc2046_pendown { > > + fsl,pins = < > > + MX7D_PAD_EPDC_DATA13__GPIO2_IO13 0x59 > > + >; > > + }; > > + > > + pinctrl_hog: hoggrp { > > + fsl,pins = < > > + MX7D_PAD_UART3_CTS_B__GPIO4_IO7 0x14 > > + MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x34 /* bt > reg on */ > > + >; > > + }; > > + }; > > +}; > > + > > +&iomuxc_lpsr { > > + /delete-property/pinctrl-names; > > + /delete-property/pinctrl-0; > > +}; > > diff --git a/arch/arm/boot/dts/imx7d-sdb.dts > > b/arch/arm/boot/dts/imx7d-sdb.dts index f1bafda..8385b9b 100644 > > --- a/arch/arm/boot/dts/imx7d-sdb.dts > > +++ b/arch/arm/boot/dts/imx7d-sdb.dts > > @@ -73,7 +73,7 @@ > > regulator-name = "usb_otg2_vbus"; > > regulator-min-microvolt = <5000000>; > > regulator-max-microvolt = <5000000>; > > - gpio = <&gpio4 7 GPIO_ACTIVE_HIGH>; > > + gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>; > > enable-active-high; > > }; > > > > @@ -114,6 +114,16 @@ > > gpio = <&gpio2 14 GPIO_ACTIVE_LOW>; > > }; > > > > + reg_fec2_3v3: regulator-fec2-3v3 { > > + compatible = "regulator-fixed"; > > + regulator-name = "fec2-3v3"; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_enet2_reg>; > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + gpio = <&gpio1 4 GPIO_ACTIVE_LOW>; > > + }; > > + > > backlight: backlight { > > compatible = "pwm-backlight"; > > pwms = <&pwm1 0 5000000 0>; > > @@ -210,6 +220,7 @@ > > assigned-clock-rates = <0>, <100000000>; > > phy-mode = "rgmii"; > > phy-handle = <ðphy1>; > > + phy-supply = <®_fec2_3v3>; > > fsl,magic-packet; > > status = "okay"; > > }; > > @@ -491,6 +502,12 @@ > > >; > > }; > > > > + pinctrl_enet2_reg: enet2reggrp { > > + fsl,pins = < > > + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x14 > > + >; > > + }; > > + > > pinctrl_flexcan2: flexcan2grp { > > fsl,pins = < > > MX7D_PAD_GPIO1_IO14__FLEXCAN2_RX 0x59 > > @@ -513,7 +530,6 @@ > > > > pinctrl_hog: hoggrp { > > fsl,pins = < > > - MX7D_PAD_UART3_CTS_B__GPIO4_IO7 0x14 > > MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x34 /* bt > reg on */ > > >; > > }; > > @@ -724,6 +740,9 @@ > > }; > > > > &iomuxc_lpsr { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_hog_2>; > > + > > pinctrl_wdog: wdoggrp { > > fsl,pins = < > > MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B 0x74 > > @@ -735,4 +754,10 @@ > > MX7D_PAD_LPSR_GPIO1_IO01__PWM1_OUT 0x30 > > >; > > }; > > + > > + pinctrl_hog_2: hoggrp-2 { > > + fsl,pins = < > > + MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x14 > > Instead of using hog group, this should be defined by pinctrl entry to be > referred by the fixed regulator that uses this GPIO? Agreed, I remove the hog_2 and add usb_otg2_vbus_reg pinctrl entry for regulator to reference, please help review V3 patch, thanks. Anson. > > Shawn > > > + >; > > + }; > > }; > > -- > > 2.7.4 > >
