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subsys/disk: stm32 sdmmc: Add support for device tree pinctrl

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Add required code to support pinctrl setup base don device tree.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2020-10-22 17:47:56 +02:00 • committed by Carles Cufí
commit b9a4e9b3b7
1 changed files with 21 additions and 0 deletions
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21
subsys/disk/disk_access_stm32_sdmmc.c
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@ -10,6 +10,7 @@
#include <disk/disk_access.h>
#include <drivers/clock_control.h>
#include <drivers/clock_control/stm32_clock_control.h>
#include <pinmux/stm32/pinmux_stm32.h>
#include <drivers/gpio.h>
#include <logging/log.h>
#include <soc.h>
@ -34,6 +35,10 @@ struct stm32_sdmmc_priv {
int flags;
} pe;
struct stm32_pclken pclken;
struct {
const struct soc_gpio_pinctrl *list;
size_t len;
} pinctrl;
};
static int stm32_sdmmc_clock_enable(struct stm32_sdmmc_priv *priv)
@ -357,6 +362,14 @@ static int disk_stm32_sdmmc_init(const struct device *dev)
k_work_init(&priv->work, stm32_sdmmc_cd_handler);
/* Configure dt provided device signals when available */
err = stm32_dt_pinctrl_configure(priv->pinctrl.list,
priv->pinctrl.len,
(uint32_t)priv->hsd.Instance);
if (err < 0) {
return err;
}
err = stm32_sdmmc_card_detect_init(priv);
if (err) {
return err;
@ -388,6 +401,10 @@ err_card_detect:
}
#if DT_NODE_HAS_STATUS(DT_DRV_INST(0), okay)
static const struct soc_gpio_pinctrl sdmmc_pins_1[] =
ST_STM32_DT_INST_PINCTRL(0, 0);
static struct stm32_sdmmc_priv stm32_sdmmc_priv_1 = {
.hsd = {
.Instance = (SDMMC_TypeDef *)DT_INST_REG_ADDR(0),
@ -410,6 +427,10 @@ static struct stm32_sdmmc_priv stm32_sdmmc_priv_1 = {
.bus = DT_INST_CLOCKS_CELL(0, bus),
.enr = DT_INST_CLOCKS_CELL(0, bits),
},
.pinctrl = {
.list = sdmmc_pins_1,
.len = ARRAY_SIZE(sdmmc_pins_1)
}
};
DEVICE_AND_API_INIT(stm32_sdmmc_dev1,