lkml.org 
[lkml]   [2018]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [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@nxp.com>
> ---
> 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 = <&ethphy1>;
> + phy-supply = <&reg_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?

Shawn

> + >;
> + };
> };
> --
> 2.7.4
>
\
 
 \ /
  Last update: 2018-11-19 14:47    [W:0.069 / U:14.532 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site