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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1ac1d4845c
The reset signal of the SSD1306 OLED display is actually active-low. Adapt the DT to reflect the real world. Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com>, Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
147 lines
3.2 KiB
Plaintext
147 lines
3.2 KiB
Plaintext
/*
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* Copyright 2012 Free Electrons
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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#include "imx28.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "Crystalfontz CFA-10036 Board";
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compatible = "crystalfontz,cfa10036", "fsl,imx28";
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memory@40000000 {
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device_type = "memory";
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reg = <0x40000000 0x08000000>;
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};
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apb@80000000 {
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apbh@80000000 {
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pinctrl@80018000 {
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ssd1306_cfa10036: ssd1306-10036@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_SSP0_DATA7__GPIO_2_7
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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led_pins_cfa10036: leds-10036@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_AUART1_RX__GPIO_3_4
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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usb0_otg_cfa10036: otg-10036@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_GPMI_RDY0__USB0_ID
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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mmc_pwr_cfa10036: mmc_pwr_cfa10036@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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0x31c3 /*
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MX28_PAD_PWM3__GPIO_3_28 */
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>;
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fsl,drive-strength = <0>;
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fsl,voltage = <1>;
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fsl,pull-up = <0>;
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};
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};
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ssp0: spi@80010000 {
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compatible = "fsl,imx28-mmc";
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_4bit_pins_a
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&mmc0_cd_cfg &mmc0_sck_cfg>;
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vmmc-supply = <®_vddio_sd0>;
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bus-width = <4>;
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status = "okay";
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};
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};
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apbx@80040000 {
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duart: serial@80074000 {
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pinctrl-names = "default";
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pinctrl-0 = <&duart_pins_b>;
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status = "okay";
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};
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i2c0: i2c@80058000 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins_b>;
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clock-frequency = <400000>;
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status = "okay";
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ssd1306: oled@3c {
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compatible = "solomon,ssd1306fb-i2c";
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pinctrl-names = "default";
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pinctrl-0 = <&ssd1306_cfa10036>;
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reg = <0x3c>;
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reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
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solomon,height = <32>;
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solomon,width = <128>;
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solomon,page-offset = <0>;
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solomon,com-lrremap;
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solomon,com-invdir;
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solomon,com-offset = <32>;
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};
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};
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usbphy0: usbphy@8007c000 {
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status = "okay";
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};
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};
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};
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ahb@80080000 {
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usb0: usb@80080000 {
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pinctrl-names = "default";
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pinctrl-0 = <&usb0_otg_cfa10036>;
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dr_mode = "peripheral";
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phy_type = "utmi";
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status = "okay";
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&led_pins_cfa10036>;
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power {
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gpios = <&gpio3 4 1>;
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default-state = "on";
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};
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};
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reg_vddio_sd0: vddio-sd0 {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&mmc_pwr_cfa10036>;
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regulator-name = "vddio-sd0";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio3 28 0>;
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};
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};
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