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mirror_ubuntu-kernels/arch/arm/boot/dts/stm32mp157c-ed1.dts
Fabrice Gasnier 4951d99551 ARM: dts: stm32: Add DAC support to stm32mp157c-ed1 
stm32mp157c-ed1 board has digital-to-analog converter signals routed
to JP11 and JP10 jumpers (e.g. PA4/PA5).
It's easier then to configure them both. But keep them disabled by default,
so the pins are kept in their initial state to lower power consumption.
This way they can also be used as GPIO.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
2019-10-25 14:28:42 +02:00

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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright (C) STMicroelectronics 2017 - All Rights Reserved
* Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
*/
/dts-v1/;
#include "stm32mp157c.dtsi"
#include "stm32mp157xaa-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/mfd/st,stpmic1.h>
/ {
model = "STMicroelectronics STM32MP157C eval daughter";
compatible = "st,stm32mp157c-ed1", "st,stm32mp157";
chosen {
stdout-path = "serial0:115200n8";
};
memory@c0000000 {
device_type = "memory";
reg = <0xC0000000 0x40000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
mcuram2: mcuram2@10000000 {
compatible = "shared-dma-pool";
reg = <0x10000000 0x40000>;
no-map;
};
vdev0vring0: vdev0vring0@10040000 {
compatible = "shared-dma-pool";
reg = <0x10040000 0x1000>;
no-map;
};
vdev0vring1: vdev0vring1@10041000 {
compatible = "shared-dma-pool";
reg = <0x10041000 0x1000>;
no-map;
};
vdev0buffer: vdev0buffer@10042000 {
compatible = "shared-dma-pool";
reg = <0x10042000 0x4000>;
no-map;
};
mcuram: mcuram@30000000 {
compatible = "shared-dma-pool";
reg = <0x30000000 0x40000>;
no-map;
};
retram: retram@38000000 {
compatible = "shared-dma-pool";
reg = <0x38000000 0x10000>;
no-map;
};
gpu_reserved: gpu@e8000000 {
reg = <0xe8000000 0x8000000>;
no-map;
};
};
aliases {
serial0 = &uart4;
};
reg11: reg11 {
compatible = "regulator-fixed";
regulator-name = "reg11";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
};
reg18: reg18 {
compatible = "regulator-fixed";
regulator-name = "reg18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
sd_switch: regulator-sd_switch {
compatible = "regulator-gpio";
regulator-name = "sd_switch";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2900000>;
regulator-type = "voltage";
regulator-always-on;
gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <1800000 0x1>,
<2900000 0x0>;
};
};
&dac {
pinctrl-names = "default";
pinctrl-0 = <&dac_ch1_pins_a &dac_ch2_pins_a>;
vref-supply = <&vdda>;
status = "disabled";
dac1: dac@1 {
status = "okay";
};
dac2: dac@2 {
status = "okay";
};
};
&dts {
status = "okay";
};
&gpu {
contiguous-area = <&gpu_reserved>;
status = "okay";
};
&i2c4 {
pinctrl-names = "default";
pinctrl-0 = <&i2c4_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;
pmic: stpmic@33 {
compatible = "st,stpmic1";
reg = <0x33>;
interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
interrupt-controller;
#interrupt-cells = <2>;
status = "okay";
regulators {
compatible = "st,stpmic1-regulators";
ldo1-supply = <&v3v3>;
ldo2-supply = <&v3v3>;
ldo3-supply = <&vdd_ddr>;
ldo5-supply = <&v3v3>;
ldo6-supply = <&v3v3>;
pwr_sw1-supply = <&bst_out>;
pwr_sw2-supply = <&bst_out>;
vddcore: buck1 {
regulator-name = "vddcore";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-initial-mode = <0>;
regulator-over-current-protection;
};
vdd_ddr: buck2 {
regulator-name = "vdd_ddr";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-initial-mode = <0>;
regulator-over-current-protection;
};
vdd: buck3 {
regulator-name = "vdd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
st,mask-reset;
regulator-initial-mode = <0>;
regulator-over-current-protection;
};
v3v3: buck4 {
regulator-name = "v3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-over-current-protection;
regulator-initial-mode = <0>;
};
vdda: ldo1 {
regulator-name = "vdda";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
interrupts = <IT_CURLIM_LDO1 0>;
};
v2v8: ldo2 {
regulator-name = "v2v8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
interrupts = <IT_CURLIM_LDO2 0>;
};
vtt_ddr: ldo3 {
regulator-name = "vtt_ddr";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <750000>;
regulator-always-on;
regulator-over-current-protection;
};
vdd_usb: ldo4 {
regulator-name = "vdd_usb";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
interrupts = <IT_CURLIM_LDO4 0>;
};
vdd_sd: ldo5 {
regulator-name = "vdd_sd";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
interrupts = <IT_CURLIM_LDO5 0>;
regulator-boot-on;
};
v1v8: ldo6 {
regulator-name = "v1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
interrupts = <IT_CURLIM_LDO6 0>;
};
vref_ddr: vref_ddr {
regulator-name = "vref_ddr";
regulator-always-on;
regulator-over-current-protection;
};
bst_out: boost {
regulator-name = "bst_out";
interrupts = <IT_OCP_BOOST 0>;
};
vbus_otg: pwr_sw1 {
regulator-name = "vbus_otg";
interrupts = <IT_OCP_OTG 0>;
};
vbus_sw: pwr_sw2 {
regulator-name = "vbus_sw";
interrupts = <IT_OCP_SWOUT 0>;
regulator-active-discharge;
};
};
onkey {
compatible = "st,stpmic1-onkey";
interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 0>;
interrupt-names = "onkey-falling", "onkey-rising";
power-off-time-sec = <10>;
status = "okay";
};
watchdog {
compatible = "st,stpmic1-wdt";
status = "disabled";
};
};
};
&ipcc {
status = "okay";
};
&iwdg2 {
timeout-sec = <32>;
status = "okay";
};
&m4_rproc {
memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
<&vdev0vring1>, <&vdev0buffer>;
mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
mbox-names = "vq0", "vq1", "shutdown";
interrupt-parent = <&exti>;
interrupts = <68 1>;
status = "okay";
};
&rng1 {
status = "okay";
};
&rtc {
status = "okay";
};
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
broken-cd;
st,sig-dir;
st,neg-edge;
st,use-ckin;
bus-width = <4>;
vmmc-supply = <&vdd_sd>;
vqmmc-supply = <&sd_switch>;
status = "okay";
};
&timers6 {
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
/delete-property/dma-names;
timer@5 {
status = "okay";
};
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pins_a>;
status = "okay";
};
&usbphyc_port0 {
phy-supply = <&vdd_usb>;
vdda1v1-supply = <&reg11>;
vdda1v8-supply = <&reg18>;
};
&usbphyc_port1 {
phy-supply = <&vdd_usb>;
vdda1v1-supply = <&reg11>;
vdda1v8-supply = <&reg18>;
};
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