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samples: drivers: espi: add option to control board_power

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Add a new option to control usage of DT nodelabel board_power. This
option also allows to select GPIO when needed.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2024-12-17 10:48:56 +01:00 committed by Benjamin Cabé
parent 17ce2a19e4
commit 87c6693f43
2 changed files with 11 additions and 5 deletions
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6
samples/drivers/espi/Kconfig
View file

@ -11,4 +11,10 @@ config ESPI_VIRTUAL_WIRE_TIMEOUT
help
Timeout for virtual wires
config ESPI_USE_BOARD_POWER
bool "Use board power"
depends on $(dt_nodelabel_enabled,board_power)
select GPIO
default y
source "Kconfig.zephyr"

10
samples/drivers/espi/src/main.c
View file

@ -45,7 +45,7 @@ LOG_MODULE_DECLARE(espi, CONFIG_ESPI_LOG_LEVEL);
/* The devicetree node identifier for the board power rails pins. */
#define BRD_PWR_NODE DT_NODELABEL(board_power)
#if DT_NODE_HAS_STATUS_OKAY(BRD_PWR_NODE)
#ifdef CONFIG_ESPI_USE_BOARD_POWER
static const struct gpio_dt_spec pwrgd_gpio = GPIO_DT_SPEC_GET(BRD_PWR_NODE, pwrg_gpios);
static const struct gpio_dt_spec rsm_gpio = GPIO_DT_SPEC_GET(BRD_PWR_NODE, rsm_gpios);
#endif
@ -911,7 +911,7 @@ int espi_init(void)
return ret;
}
#if DT_NODE_HAS_STATUS_OKAY(BRD_PWR_NODE)
#ifdef CONFIG_ESPI_USE_BOARD_POWER
static int wait_for_pin(const struct gpio_dt_spec *gpio, uint16_t timeout, int exp_level)
{
uint16_t loop_cnt = timeout;
@ -1172,7 +1172,7 @@ int espi_test(void)
*/
k_sleep(K_SECONDS(1));
#if DT_NODE_HAS_STATUS_OKAY(BRD_PWR_NODE)
#ifdef CONFIG_ESPI_USE_BOARD_POWER
if (!gpio_is_ready_dt(&pwrgd_gpio)) {
LOG_ERR("%s: device not ready.", pwrgd_gpio.port->name);
return -ENODEV;
@ -1201,7 +1201,7 @@ int espi_test(void)
LOG_INF("Hello eSPI test %s", CONFIG_BOARD);
#if DT_NODE_HAS_STATUS_OKAY(BRD_PWR_NODE)
#ifdef CONFIG_ESPI_USE_BOARD_POWER
ret = gpio_pin_configure_dt(&pwrgd_gpio, GPIO_INPUT);
if (ret) {
LOG_ERR("Unable to configure %d:%d", pwrgd_gpio.pin, ret);
@ -1252,7 +1252,7 @@ int espi_test(void)
}
#endif
#if DT_NODE_HAS_STATUS_OKAY(BRD_PWR_NODE)
#ifdef CONFIG_ESPI_USE_BOARD_POWER
ret = wait_for_pin(&pwrgd_gpio, PWR_SEQ_TIMEOUT, 1);
if (ret) {
LOG_ERR("RSMRST_PWRGD timeout");