patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 7 Packages Projects Releases Wiki Activity

boards: swan_r5: fix discharge gpio configuration

Browse source 
The 3V3 bus seems to have a resistor connected to an MCU pin to
discharge the bus by pulling the discharge line low while in open-drain
mode.

The board code was using non-existing GPIO flags (see previous commit
for more details). This patch makes it clear that this GPIO is for
discharging and uses GPIO attributes appropriately. Since the regulator
is enabled by default, discharging is disabled.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-10-06 13:13:45 +02:00 committed by Carles Cufí
parent 01b833e2ed
commit e049cc7621
2 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
boards/arm/swan_r5/board.c
View file

@ -9,16 +9,16 @@
static int board_swan_init(const struct device *dev)
{
const struct gpio_dt_spec gpio6 =
GPIO_DT_SPEC_GET(DT_PATH(zephyr_user), no_pull_gpios);
const struct gpio_dt_spec dischrg =
GPIO_DT_SPEC_GET(DT_PATH(zephyr_user), dischrg_gpios);
ARG_UNUSED(dev);
if (!device_is_ready(gpio6.port)) {
if (!device_is_ready(dischrg.port)) {
return -ENODEV;
}
(void)gpio_pin_configure_dt(&gpio6, (GPIO_NOPULL | GPIO_MODE_ANALOG));
(void)gpio_pin_configure_dt(&dischrg, GPIO_OUTPUT_INACTIVE);
return 0;
}

2
boards/arm/swan_r5/swan_r5.dts
View file

@ -38,7 +38,7 @@
zephyr,user {
no-pull-gpios = <&gpioe 6 GPIO_PUSH_PULL>;
dischrg-gpios = <&gpioe 6 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
};
supply-3v3 {