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linux/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
Marek Vasut 7d96c4a5ec ARM: dts: stm32: Update GPIO line names on PicoITX
Use more specific custom GPIO line names which denote exactly where
the GPIO came from, i.e. the base board. Also, update the new blank
GPIO line names set up by stm32mp15xx-dhcom-som.dtsi back to their
original values.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-04-01 10:03:55 +02:00

147 lines
2.5 KiB
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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2020 Marek Vasut <marex@denx.de>
*/
#include <dt-bindings/input/input.h>
#include <dt-bindings/pwm/pwm.h>
/ {
aliases {
serial0 = &uart4;
serial1 = &usart3;
serial2 = &uart8;
};
chosen {
stdout-path = "serial0:115200n8";
};
led {
compatible = "gpio-leds";
led-0 {
label = "yellow:led";
gpios = <&gpioi 3 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
};
};
&adc {
status = "disabled";
};
&dac {
status = "disabled";
};
&fmc {
status = "disabled";
};
&gpioa {
/*
* NOTE: The USB Port on the PicoITX needs a PWR_EN signal to enable
* port power. This signal should be handled by USB power sequencing
* in order to turn on port power when USB bus is powered up, but so
* far there is no such functionality.
*/
usb-port-power-hog {
gpio-hog;
gpios = <13 0>;
output-low;
line-name = "usb-port-power";
};
};
&gpioc {
gpio-line-names = "", "", "", "",
"", "", "PicoITX-In1", "",
"", "", "", "",
"", "", "", "";
};
&gpiod {
gpio-line-names = "", "", "", "",
"", "", "DHCOM-B", "",
"", "", "", "PicoITX-Out1",
"PicoITX-Out2", "", "", "";
};
&gpiog {
gpio-line-names = "PicoITX-In2", "", "", "",
"", "", "", "",
"DHCOM-L", "", "", "",
"", "", "", "";
};
&i2c2 { /* On board-to-board connector (optional) */
pinctrl-names = "default";
pinctrl-0 = <&i2c2_pins_a>;
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
/delete-property/dma-names;
};
&i2c5 { /* On board-to-board connector */
pinctrl-names = "default";
pinctrl-0 = <&i2c5_pins_a>;
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
/delete-property/dma-names;
};
&ksz8851 {
status = "disabled";
};
&usart3 {
pinctrl-names = "default";
pinctrl-0 = <&usart3_pins_a>;
status = "okay";
};
&uart8 {
pinctrl-names = "default";
pinctrl-0 = <&uart8_pins_a &uart8_rtscts_pins_a>;
status = "okay";
};
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";
};
&usbh_ohci {
phys = <&usbphyc_port0>;
status = "okay";
};
&usbotg_hs {
dr_mode = "otg";
pinctrl-0 = <&usbotg_hs_pins_a>;
pinctrl-names = "default";
phy-names = "usb2-phy";
phys = <&usbphyc_port1 0>;
vbus-supply = <&vbus_otg>;
status = "okay";
};
&usbphyc {
status = "okay";
};
&usbphyc_port0 {
phy-supply = <&vdd_usb>;
};
&usbphyc_port1 {
phy-supply = <&vdd_usb>;
};