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drivers: i2c: Add sam0 support to pinctrl

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This add support to pinctrl at Atmel sam0 i2c driver. It updates all
boards with new pinctrl groups format and drop pinmux entries.

Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
This commit is contained in:
Gerson Fernando Budke 2022-03-13 12:06:04 -03:00 • committed by Marti Bolivar
commit 63b2a38f16
25 changed files with 91 additions and 163 deletions
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12
drivers/i2c/i2c_sam0.c
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@ -12,6 +12,7 @@
#include <soc.h>
#include <drivers/i2c.h>
#include <drivers/dma.h>
#include <drivers/pinctrl.h>
#include <logging/log.h>
LOG_MODULE_REGISTER(i2c_sam0, CONFIG_I2C_LOG_LEVEL);
@ -24,6 +25,7 @@ LOG_MODULE_REGISTER(i2c_sam0, CONFIG_I2C_LOG_LEVEL);
struct i2c_sam0_dev_config {
SercomI2cm *regs;
const struct pinctrl_dev_config *pcfg;
uint32_t bitrate;
#ifdef MCLK
volatile uint32_t *mclk;
@ -711,6 +713,11 @@ static int i2c_sam0_initialize(const struct device *dev)
/* Disable all I2C interrupts */
i2c->INTENCLR.reg = SERCOM_I2CM_INTENCLR_MASK;
retval = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);
if (retval < 0) {
return retval;
}
/* I2C mode, enable timeouts */
i2c->CTRLA.reg = SERCOM_I2CM_CTRLA_MODE_I2C_MASTER |
#ifdef SERCOM_I2CM_CTRLA_LOWTOUTEN
@ -796,17 +803,19 @@ static void i2c_sam0_irq_config_##n(const struct device *dev) \
#define I2C_SAM0_CONFIG(n) \
static const struct i2c_sam0_dev_config i2c_sam0_dev_config_##n = { \
.regs = (SercomI2cm *)DT_INST_REG_ADDR(n), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.bitrate = DT_INST_PROP(n, clock_frequency), \
.mclk = (volatile uint32_t *)MCLK_MASK_DT_INT_REG_ADDR(n), \
.mclk_mask = BIT(DT_INST_CLOCKS_CELL_BY_NAME(n, mclk, bit)), \
.gclk_core_id = DT_INST_CLOCKS_CELL_BY_NAME(n, gclk, periph_ch),\
.irq_config_func = &i2c_sam0_irq_config_##n \
.irq_config_func = &i2c_sam0_irq_config_##n, \
I2C_SAM0_DMA_CHANNELS(n) \
}
#else /* !MCLK */
#define I2C_SAM0_CONFIG(n) \
static const struct i2c_sam0_dev_config i2c_sam0_dev_config_##n = { \
.regs = (SercomI2cm *)DT_INST_REG_ADDR(n), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.bitrate = DT_INST_PROP(n, clock_frequency), \
.pm_apbcmask = BIT(DT_INST_CLOCKS_CELL_BY_NAME(n, pm, bit)), \
.gclk_clkctrl_id = DT_INST_CLOCKS_CELL_BY_NAME(n, gclk, clkctrl_id),\
@ -816,6 +825,7 @@ static const struct i2c_sam0_dev_config i2c_sam0_dev_config_##n = { \
#endif
#define I2C_SAM0_DEVICE(n) \
PINCTRL_DT_INST_DEFINE(n); \
static void i2c_sam0_irq_config_##n(const struct device *dev); \
I2C_SAM0_CONFIG(n); \
static struct i2c_sam0_dev_data i2c_sam0_dev_data_##n; \