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Message-ID: <CAByghJbCu7jkUxVZw4QOzxar+Lk7Qo3rT2tffi3ucEXr=OJxrQ@mail.gmail.com>
Date: Fri, 19 Apr 2019 06:39:12 +0000
From: Igor Opaniuk <igor.opaniuk@...adex.com>
To: Stefan Agner <stefan.agner@...adex.com>,
Marcel Ziswiler <marcel.ziswiler@...adex.com>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
"linux-imx@....com" <linux-imx@....com>,
"stefan@...er.ch" <stefan@...er.ch>,
Marcel Ziswiler <marcel@...wiler.com>
Subject: Re: [PATCH v1 1/1] ARM: dts: colibri: introduce dts with UHS-I
support enabled
Hi Marcel, Stefan,
Could you please look into this and ack if there are no any objections
from your end?
Thanks!
On Thu, Apr 4, 2019 at 12:19 PM Igor Opaniuk <igor.opaniuk@...adex.com> wrote:
>
> Introduce DTS for Colibri iMX6DL with proper configuration for VGEN3,
> which allows that rail to be automatically switched to 1.8 volts for
> proper UHS-I operation mode.
>
> Signed-off-by: Igor Opaniuk <igor.opaniuk@...adex.com>
> ---
> arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts | 245 +-----------------
> arch/arm/boot/dts/imx6dl-colibri-eval-v3.dtsi | 213 +++++++++++++++
> .../boot/dts/imx6dl-colibri-uhs-eval-v3.dts | 29 +++
> arch/arm/boot/dts/imx6qdl-colibri.dtsi | 36 ++-
> 4 files changed, 278 insertions(+), 245 deletions(-)
> create mode 100644 arch/arm/boot/dts/imx6dl-colibri-eval-v3.dtsi
> create mode 100644 arch/arm/boot/dts/imx6dl-colibri-uhs-eval-v3.dts
>
> diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> index 9a5d6c94cca4..14d7f359d8d6 100644
> --- a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts
> @@ -1,258 +1,19 @@
> +// SPDX-License-Identifier: GPL-2.0 OR X11
> /*
> - * Copyright 2014-2016 Toradex AG
> - * Copyright 2012 Freescale Semiconductor, Inc.
> - * Copyright 2011 Linaro Ltd.
> - *
> - * This file is dual-licensed: you can use it either under the terms
> - * of the GPL or the X11 license, at your option. Note that this dual
> - * licensing only applies to this file, and not this project as a
> - * whole.
> - *
> - * a) This file is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License
> - * version 2 as published by the Free Software Foundation.
> - *
> - * This file is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - * Or, alternatively,
> - *
> - * b) Permission is hereby granted, free of charge, to any person
> - * obtaining a copy of this software and associated documentation
> - * files (the "Software"), to deal in the Software without
> - * restriction, including without limitation the rights to use,
> - * copy, modify, merge, publish, distribute, sublicense, and/or
> - * sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following
> - * conditions:
> - *
> - * The above copyright notice and this permission notice shall be
> - * included in all copies or substantial portions of the Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> - * OTHER DEALINGS IN THE SOFTWARE.
> + * Copyright 2019 Toradex AG
> */
>
> /dts-v1/;
>
> -#include <dt-bindings/input/input.h>
> -#include <dt-bindings/interrupt-controller/irq.h>
> -#include "imx6dl.dtsi"
> -#include "imx6qdl-colibri.dtsi"
> +#include "imx6dl-colibri-eval-v3.dtsi"
>
> / {
> model = "Toradex Colibri iMX6DL/S on Colibri Evaluation Board V3";
> compatible = "toradex,colibri_imx6dl-eval-v3", "toradex,colibri_imx6dl",
> "fsl,imx6dl";
> -
> - /* Will be filled by the bootloader */
> - memory@...00000 {
> - device_type = "memory";
> - reg = <0x10000000 0>;
> - };
> -
> - aliases {
> - i2c0 = &i2c2;
> - i2c1 = &i2c3;
> - };
> -
> - aliases {
> - rtc0 = &rtc_i2c;
> - rtc1 = &snvs_rtc;
> - };
> -
> - chosen {
> - stdout-path = "serial0:115200n8";
> - };
> -
> - /* Fixed crystal dedicated to mcp251x */
> - clk16m: clock-16m {
> - compatible = "fixed-clock";
> - #clock-cells = <0>;
> - clock-frequency = <16000000>;
> - clock-output-names = "clk16m";
> - };
> -
> - gpio-keys {
> - compatible = "gpio-keys";
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_gpio_keys>;
> -
> - wakeup {
> - label = "Wake-Up";
> - gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */
> - linux,code = <KEY_WAKEUP>;
> - debounce-interval = <10>;
> - wakeup-source;
> - };
> - };
> -
> - lcd_display: disp0 {
> - compatible = "fsl,imx-parallel-display";
> - #address-cells = <1>;
> - #size-cells = <0>;
> - interface-pix-fmt = "bgr666";
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_ipu1_lcdif>;
> - status = "okay";
> -
> - port@0 {
> - reg = <0>;
> -
> - lcd_display_in: endpoint {
> - remote-endpoint = <&ipu1_di0_disp0>;
> - };
> - };
> -
> - port@1 {
> - reg = <1>;
> -
> - lcd_display_out: endpoint {
> - remote-endpoint = <&lcd_panel_in>;
> - };
> - };
> - };
> -
> - panel: panel {
> - /*
> - * edt,et057090dhu: EDT 5.7" LCD TFT
> - * edt,et070080dh6: EDT 7.0" LCD TFT
> - */
> - compatible = "edt,et057090dhu";
> - backlight = <&backlight>;
> -
> - port {
> - lcd_panel_in: endpoint {
> - remote-endpoint = <&lcd_display_out>;
> - };
> - };
> - };
> -};
> -
> -&backlight {
> - brightness-levels = <0 127 191 223 239 247 251 255>;
> - default-brightness-level = <1>;
> - status = "okay";
> -};
> -
> -/* Colibri SSP */
> -&ecspi4 {
> - status = "okay";
> -
> - mcp251x0: mcp251x@0 {
> - compatible = "microchip,mcp2515";
> - reg = <0>;
> - clocks = <&clk16m>;
> - interrupt-parent = <&gpio3>;
> - interrupts = <27 0x2>;
> - spi-max-frequency = <10000000>;
> - status = "okay";
> - };
> -};
> -
> -&hdmi {
> - status = "okay";
> -};
> -
> -/*
> - * Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier board)
> - */
> -&i2c3 {
> - status = "okay";
> -
> - /* M41T0M6 real time clock on carrier board */
> - rtc_i2c: rtc@68 {
> - compatible = "st,m41t0";
> - reg = <0x68>;
> - };
> -};
> -
> -&ipu1_di0_disp0 {
> - remote-endpoint = <&lcd_display_in>;
> -};
> -
> -&pwm1 {
> - status = "okay";
> -};
> -
> -&pwm2 {
> - status = "okay";
> -};
> -
> -&pwm3 {
> - status = "okay";
> -};
> -
> -&pwm4 {
> - status = "okay";
> -};
> -
> -®_usb_host_vbus {
> - status = "okay";
> -};
> -
> -&uart1 {
> - status = "okay";
> -};
> -
> -&uart2 {
> - status = "okay";
> -};
> -
> -&uart3 {
> - status = "okay";
> -};
> -
> -&usbh1 {
> - vbus-supply = <®_usb_host_vbus>;
> - status = "okay";
> -};
> -
> -&usbotg {
> - status = "okay";
> };
>
> /* Colibri MMC */
> &usdhc1 {
> status = "okay";
> };
> -
> -&weim {
> - status = "okay";
> -
> - /* weim memory map: 32MB on CS0, CS1, CS2 and CS3 */
> - ranges = <0 0 0x08000000 0x02000000
> - 1 0 0x0a000000 0x02000000
> - 2 0 0x0c000000 0x02000000
> - 3 0 0x0e000000 0x02000000>;
> -
> - /* SRAM on Colibri nEXT_CS0 */
> - sram@0,0 {
> - compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
> - reg = <0 0 0x00010000>;
> - #address-cells = <1>;
> - #size-cells = <1>;
> - bank-width = <2>;
> - fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
> - 0x00000000 0x04000040 0x00000000>;
> - };
> -
> - /* SRAM on Colibri nEXT_CS1 */
> - sram@1,0 {
> - compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
> - reg = <1 0 0x00010000>;
> - #address-cells = <1>;
> - #size-cells = <1>;
> - bank-width = <2>;
> - fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
> - 0x00000000 0x04000040 0x00000000>;
> - };
> -};
> diff --git a/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dtsi
> new file mode 100644
> index 000000000000..3e73fcaca057
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dtsi
> @@ -0,0 +1,213 @@
> +// SPDX-License-Identifier: GPL-2.0 OR X11
> +/*
> + * Copyright 2014-2016 Toradex AG
> + * Copyright 2012 Freescale Semiconductor, Inc.
> + * Copyright 2011 Linaro Ltd.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "imx6dl.dtsi"
> +#include "imx6qdl-colibri.dtsi"
> +
> +/ {
> + /* Will be filled by the bootloader */
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x10000000 0>;
> + };
> +
> + aliases {
> + i2c0 = &i2c2;
> + i2c1 = &i2c3;
> + };
> +
> + aliases {
> + rtc0 = &rtc_i2c;
> + rtc1 = &snvs_rtc;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + /* Fixed crystal dedicated to mcp251x */
> + clk16m: clock-16m {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <16000000>;
> + clock-output-names = "clk16m";
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_keys>;
> +
> + wakeup {
> + label = "Wake-Up";
> + gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */
> + linux,code = <KEY_WAKEUP>;
> + debounce-interval = <10>;
> + wakeup-source;
> + };
> + };
> +
> + lcd_display: disp0 {
> + compatible = "fsl,imx-parallel-display";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interface-pix-fmt = "bgr666";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ipu1_lcdif>;
> + status = "okay";
> +
> + port@0 {
> + reg = <0>;
> +
> + lcd_display_in: endpoint {
> + remote-endpoint = <&ipu1_di0_disp0>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + lcd_display_out: endpoint {
> + remote-endpoint = <&lcd_panel_in>;
> + };
> + };
> + };
> +
> + panel: panel {
> + /*
> + * edt,et057090dhu: EDT 5.7" LCD TFT
> + * edt,et070080dh6: EDT 7.0" LCD TFT
> + */
> + compatible = "edt,et057090dhu";
> + backlight = <&backlight>;
> +
> + port {
> + lcd_panel_in: endpoint {
> + remote-endpoint = <&lcd_display_out>;
> + };
> + };
> + };
> +};
> +
> +&backlight {
> + brightness-levels = <0 127 191 223 239 247 251 255>;
> + default-brightness-level = <1>;
> + status = "okay";
> +};
> +
> +/* Colibri SSP */
> +&ecspi4 {
> + status = "okay";
> +
> + mcp251x0: mcp251x@0 {
> + compatible = "microchip,mcp2515";
> + reg = <0>;
> + clocks = <&clk16m>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <27 0x2>;
> + spi-max-frequency = <10000000>;
> + status = "okay";
> + };
> +};
> +
> +&hdmi {
> + status = "okay";
> +};
> +
> +/*
> + * Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier board)
> + */
> +&i2c3 {
> + status = "okay";
> +
> + /* M41T0M6 real time clock on carrier board */
> + rtc_i2c: rtc@68 {
> + compatible = "st,m41t0";
> + reg = <0x68>;
> + };
> +};
> +
> +&ipu1_di0_disp0 {
> + remote-endpoint = <&lcd_display_in>;
> +};
> +
> +&pwm1 {
> + status = "okay";
> +};
> +
> +&pwm2 {
> + status = "okay";
> +};
> +
> +&pwm3 {
> + status = "okay";
> +};
> +
> +&pwm4 {
> + status = "okay";
> +};
> +
> +®_usb_host_vbus {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&usbh1 {
> + vbus-supply = <®_usb_host_vbus>;
> + status = "okay";
> +};
> +
> +&usbotg {
> + status = "okay";
> +};
> +
> +&weim {
> + status = "okay";
> +
> + /* weim memory map: 32MB on CS0, CS1, CS2 and CS3 */
> + ranges = <0 0 0x08000000 0x02000000
> + 1 0 0x0a000000 0x02000000
> + 2 0 0x0c000000 0x02000000
> + 3 0 0x0e000000 0x02000000>;
> +
> + /* SRAM on Colibri nEXT_CS0 */
> + sram@0,0 {
> + compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
> + reg = <0 0 0x00010000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + bank-width = <2>;
> + fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
> + 0x00000000 0x04000040 0x00000000>;
> + };
> +
> + /* SRAM on Colibri nEXT_CS1 */
> + sram@1,0 {
> + compatible = "cypress,cy7c1019dv33-10zsxi, mtd-ram";
> + reg = <1 0 0x00010000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + bank-width = <2>;
> + fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
> + 0x00000000 0x04000040 0x00000000>;
> + };
> +};
> diff --git a/arch/arm/boot/dts/imx6dl-colibri-uhs-eval-v3.dts b/arch/arm/boot/dts/imx6dl-colibri-uhs-eval-v3.dts
> new file mode 100644
> index 000000000000..9a18b5c70752
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6dl-colibri-uhs-eval-v3.dts
> @@ -0,0 +1,29 @@
> +// SPDX-License-Identifier: GPL-2.0 OR X11
> +/*
> + * Copyright 2019 Toradex AG
> + */
> +
> +/dts-v1/;
> +
> +#include "imx6dl-colibri-eval-v3.dtsi"
> +
> +/ {
> + model = "Toradex Colibri iMX6DL/S on Colibri Ev. Board V3 with UHS-I";
> + compatible = "toradex,colibri_imx6dl-eval-v3", "toradex,colibri_imx6dl",
> + "fsl,imx6dl";
> +};
> +
> +/* Colibri MMC with UHS-I support*/
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>;
> + pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_mmc_cd>;
> + pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_mmc_cd>;
> + vqmmc-supply = <&vgen3_reg>;
> + sd-uhs-sdr12;
> + sd-uhs-sdr25;
> + sd-uhs-sdr50;
> + sd-uhs-sdr104;
> + status = "okay";
> + /delete-property/no-1-8-v;
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> index 1beac22266ed..8eed89634a45 100644
> --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
> @@ -215,7 +215,12 @@
> regulator-always-on;
> };
>
> - /* vgen3: unused */
> + vgen3_reg: vgen3 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
>
> vgen4_reg: vgen4 {
> regulator-min-microvolt = <1800000>;
> @@ -385,12 +390,15 @@
> &usdhc1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>;
> + no-1-8-v;
> cd-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; /* MMCD */
> disable-wp;
> - vqmmc-supply = <®_module_3v3>;
> + enable-sdio-wakeup;
> + keep-power-in-suspend;
> bus-width = <4>;
> - no-1-8-v;
> status = "disabled";
> + cap-sd-highspeed;
> + vmmc-supply = <®_module_3v3>;
> };
>
> /* eMMC */
> @@ -698,6 +706,28 @@
> >;
> };
>
> + pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170b1
> + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100b1
> + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170b1
> + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170b1
> + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170b1
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170b1
> + >;
> + };
> +
> + pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170f1
> + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100f1
> + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170f1
> + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170f1
> + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170f1
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170f1
> + >;
> + };
> +
> pinctrl_weim_cs0: weimcs0grp {
> fsl,pins = <
> /* nEXT_CS0 */
> --
> 2.17.1
>
--
Best regards - Freundliche Grüsse - Meilleures salutations
Senior Development Engineer,
Igor Opaniuk
Toradex AG
Altsagenstrasse 5 | 6048 Horw/Luzern | Switzerland | T: +41 41 500 48
00 (main line)
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