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drivers/dac: stm32: use new pinctrl API

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Use the new pinctrl API to configure pins.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2021-11-05 15:59:32 +01:00 • committed by Carles Cufí
commit 956afc3a08
2 changed files with 6 additions and 21 deletions
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16
drivers/dac/dac_stm32.c
View file

@ -9,6 +9,7 @@
#include <errno.h>
#include <drivers/dac.h>
#include <drivers/pinctrl.h>
#include <device.h>
#include <kernel.h>
#include <init.h>
@ -20,7 +21,6 @@
LOG_MODULE_REGISTER(dac_stm32);
#include <drivers/clock_control/stm32_clock_control.h>
#include <pinmux/pinmux_stm32.h>
/* some low-end MCUs have DAC with only one channel */
#ifdef LL_DAC_CHANNEL_2
@ -47,9 +47,7 @@ struct dac_stm32_cfg {
/* Clock configuration. */
struct stm32_pclken pclken;
/* pinctrl configurations. */
const struct soc_gpio_pinctrl *pinctrl;
/* Number of pinctrl configurations. */
size_t pinctrl_len;
const struct pinctrl_dev_config *pcfg;
};
/* Runtime driver data */
@ -129,9 +127,7 @@ static int dac_stm32_init(const struct device *dev)
}
/* Configure dt provided device signals when available */
err = stm32_dt_pinctrl_configure(cfg->pinctrl,
cfg->pinctrl_len,
(uint32_t)cfg->base);
err = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0) {
LOG_ERR("DAC pinctrl setup failed (%d)", err);
return err;
@ -148,8 +144,7 @@ static const struct dac_driver_api api_stm32_driver_api = {
#define STM32_DAC_INIT(index) \
\
static const struct soc_gpio_pinctrl dac_pins_##index[] = \
ST_STM32_DT_INST_PINCTRL(index, 0); \
PINCTRL_DT_INST_DEFINE(index) \
\
static const struct dac_stm32_cfg dac_stm32_cfg_##index = { \
.base = (DAC_TypeDef *)DT_INST_REG_ADDR(index), \
@ -157,8 +152,7 @@ static const struct dac_stm32_cfg dac_stm32_cfg_##index = { \
.enr = DT_INST_CLOCKS_CELL(index, bits), \
.bus = DT_INST_CLOCKS_CELL(index, bus), \
}, \
.pinctrl = dac_pins_##index, \
.pinctrl_len = ARRAY_SIZE(dac_pins_##index), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(index), \
}; \
\
static struct dac_stm32_data dac_stm32_data_##index = { \

11
dts/bindings/dac/st,stm32-dac.yaml
View file

@ -5,7 +5,7 @@ description: ST STM32 family DAC
compatible: "st,stm32-dac"
include: dac-controller.yaml
include: [dac-controller.yaml, pinctrl-device.yaml]
properties:
reg:
@ -14,15 +14,6 @@ properties:
clocks:
required: true
pinctrl-0:
type: phandles
required: false
description: |
GPIO pin configuration for DAC output. The phandles are
expected to reference pinctrl nodes, e.g.
pinctrl-0 = <&dac_out1_pa4 &dac_out2_pa5>;
"#io-channel-cells":
const: 1