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Message-ID: <20191030082718.oj4nq5li6mohf4tg@pengutronix.de>
Date: Wed, 30 Oct 2019 09:27:18 +0100
From: Marco Felsch <m.felsch@...gutronix.de>
To: Joris Offouga <offougajoris@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org,
Mark Rutland <mark.rutland@....com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
Otavio Salvador <otavio@...ystems.com.br>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
open list <linux-kernel@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>
Subject: Re: [PATCH V3] ARM: dts: imx7d-pico: Add LCD support
Hi Joris,
On 19-10-29 11:17, Joris Offouga wrote:
> From: Fabio Estevam <festevam@...il.com>
>
> Add support for the VXT VL050-8048NT-C01 panel connected through
> the 24 bit parallel LCDIF interface.
>
> Signed-off-by: Fabio Estevam <festevam@...il.com>
> Signed-off-by: Otavio Salvador <otavio@...ystems.com.br>
> Signed-off-by: Joris Offouga <offougajoris@...il.com>
> ---
> Changes v2 -> v3
> rename pintcrl_backlight to pinctrl_pwm4
> sort the nodes alphabetical
>
> Changes v1 -> v2
> change "From:" Joris Offouga to Fabio Estevam
> set Joris Offouga signed-off to the last one
>
> arch/arm/boot/dts/imx7d-pico.dtsi | 82 +++++++++++++++++++++++++++++++
> 1 file changed, 82 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
> index 6f50ebf31a0a..9c7c2c45e6aa 100644
> --- a/arch/arm/boot/dts/imx7d-pico.dtsi
> +++ b/arch/arm/boot/dts/imx7d-pico.dtsi
> @@ -7,12 +7,40 @@
> #include "imx7d.dtsi"
>
> / {
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm4 0 50000 0>;
^
still not needed
> + brightness-levels = <0 36 72 108 144 180 216 255>;
> + default-brightness-level = <6>;
> + };
> +
> /* Will be filled by the bootloader */
> memory@...00000 {
> device_type = "memory";
> reg = <0x80000000 0>;
> };
>
> + panel {
> + compatible = "vxt,vl050-8048nt-c01";
> + backlight = <&backlight>;
> + power-supply = <®_lcd_3v3>;
> +
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <&display_out>;
> + };
> + };
> + };
> +
> + reg_lcd_3v3: regulator-lcd-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "lcd-3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
Where happens the muxing for this gpio?
> + enable-active-high;
> + };
> +
> reg_wlreg_on: regulator-wlreg_on {
> compatible = "regulator-fixed";
> pinctrl-names = "default";
> @@ -230,6 +258,18 @@
> };
> };
>
> +&lcdif {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lcdif>;
> + status = "okay";
> +
> + port {
> + display_out: endpoint {
> + remote-endpoint = <&panel_in>;
> + };
> + };
> +};
> +
> &sai1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_sai1>;
> @@ -260,6 +300,8 @@
> };
>
> &pwm4 { /* Backlight */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm4>;
> status = "okay";
> };
>
> @@ -413,6 +455,40 @@
> >;
> };
>
> + pinctrl_lcdif: lcdifgrp {
> + fsl,pins = <
> + MX7D_PAD_LCD_DATA00__LCD_DATA0 0x79
> + MX7D_PAD_LCD_DATA01__LCD_DATA1 0x79
> + MX7D_PAD_LCD_DATA02__LCD_DATA2 0x79
> + MX7D_PAD_LCD_DATA03__LCD_DATA3 0x79
> + MX7D_PAD_LCD_DATA04__LCD_DATA4 0x79
> + MX7D_PAD_LCD_DATA05__LCD_DATA5 0x79
> + MX7D_PAD_LCD_DATA06__LCD_DATA6 0x79
> + MX7D_PAD_LCD_DATA07__LCD_DATA7 0x79
> + MX7D_PAD_LCD_DATA08__LCD_DATA8 0x79
> + MX7D_PAD_LCD_DATA09__LCD_DATA9 0x79
> + MX7D_PAD_LCD_DATA10__LCD_DATA10 0x79
> + MX7D_PAD_LCD_DATA11__LCD_DATA11 0x79
> + MX7D_PAD_LCD_DATA12__LCD_DATA12 0x79
> + MX7D_PAD_LCD_DATA13__LCD_DATA13 0x79
> + MX7D_PAD_LCD_DATA14__LCD_DATA14 0x79
> + MX7D_PAD_LCD_DATA15__LCD_DATA15 0x79
> + MX7D_PAD_LCD_DATA16__LCD_DATA16 0x79
> + MX7D_PAD_LCD_DATA17__LCD_DATA17 0x79
> + MX7D_PAD_LCD_DATA18__LCD_DATA18 0x79
> + MX7D_PAD_LCD_DATA19__LCD_DATA19 0x79
> + MX7D_PAD_LCD_DATA20__LCD_DATA20 0x79
> + MX7D_PAD_LCD_DATA21__LCD_DATA21 0x79
> + MX7D_PAD_LCD_DATA22__LCD_DATA22 0x79
> + MX7D_PAD_LCD_DATA23__LCD_DATA23 0x79
> + MX7D_PAD_LCD_CLK__LCD_CLK 0x79
> + MX7D_PAD_LCD_ENABLE__LCD_ENABLE 0x78
> + MX7D_PAD_LCD_VSYNC__LCD_VSYNC 0x78
> + MX7D_PAD_LCD_HSYNC__LCD_HSYNC 0x78
> + MX7D_PAD_LCD_RESET__GPIO3_IO4 0x14
> + >;
> + };
> +
> pinctrl_pwm1: pwm1 {
> fsl,pins = <
> MX7D_PAD_GPIO1_IO08__PWM1_OUT 0x7f
> @@ -431,6 +507,12 @@
> >;
> };
>
> + pinctrl_pwm4: pwm4grp{
> + fsl,pins = <
> + MX7D_PAD_GPIO1_IO11__PWM4_OUT 0x0
^
Is this muxing value valid?
Regards,
Marco
> + >;
> + };
> +
> pinctrl_reg_wlreg_on: regregongrp {
> fsl,pins = <
> MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16 0x59
> --
> 2.17.1
>
>
>
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