84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2023 TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/drivers/pinctrl.h>
|
|
#include <zephyr/kernel.h>
|
|
#include <string.h>
|
|
|
|
#define DT_DRV_COMPAT renesas_ra_pinctrl
|
|
|
|
#define PORT_NUM 15
|
|
#define PIN_NUM 16
|
|
|
|
enum {
|
|
PWPR_PFSWE_POS = 6,
|
|
PWPR_B0WI_POS = 7,
|
|
};
|
|
|
|
static inline uint32_t pinctrl_ra_read_PmnFPS(size_t port, size_t pin)
|
|
{
|
|
return sys_read32(DT_INST_REG_ADDR_BY_NAME(0, pfs) + (port * PIN_NUM + pin) * 4);
|
|
}
|
|
|
|
static inline void pinctrl_ra_write_PmnFPS(size_t port, size_t pin, uint32_t value)
|
|
{
|
|
sys_write32(value, DT_INST_REG_ADDR_BY_NAME(0, pfs) + (port * PIN_NUM + pin) * 4);
|
|
}
|
|
|
|
static inline uint32_t pinctrl_ra_read_PMISC_PWPR(size_t port, size_t pin)
|
|
{
|
|
return sys_read32(DT_INST_REG_ADDR_BY_NAME(0, pmisc_pwpr));
|
|
}
|
|
|
|
static inline void pinctrl_ra_write_PMISC_PWPR(uint32_t value)
|
|
{
|
|
sys_write32(value, DT_INST_REG_ADDR_BY_NAME(0, pmisc_pwpr));
|
|
}
|
|
|
|
static void pinctrl_ra_configure_pfs(const pinctrl_soc_pin_t *pinc)
|
|
{
|
|
pinctrl_soc_pin_t pincfg;
|
|
|
|
memcpy(&pincfg, pinc, sizeof(pinctrl_soc_pin_t));
|
|
pincfg.pin = 0;
|
|
pincfg.port = 0;
|
|
|
|
/* Clear PMR bits before configuring */
|
|
if ((pincfg.config & PmnPFS_PMR_POS)) {
|
|
uint32_t val = pinctrl_ra_read_PmnFPS(pinc->port, pinc->pin);
|
|
|
|
pinctrl_ra_write_PmnFPS(pinc->port, pinc->pin, val & ~(BIT(PmnPFS_PMR_POS)));
|
|
pinctrl_ra_write_PmnFPS(pinc->port, pinc->pin, pincfg.config & ~PmnPFS_PMR_POS);
|
|
}
|
|
|
|
pinctrl_ra_write_PmnFPS(pinc->port, pinc->pin, pincfg.config);
|
|
}
|
|
|
|
int pinctrl_ra_query_config(uint32_t port, uint32_t pin, struct pinctrl_ra_pin *const pincfg)
|
|
{
|
|
if (port >= PORT_NUM || pin >= PIN_NUM) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
pincfg->config = pinctrl_ra_read_PmnFPS(port, pin);
|
|
return 0;
|
|
}
|
|
|
|
int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt, uintptr_t reg)
|
|
{
|
|
pinctrl_ra_write_PMISC_PWPR(0);
|
|
pinctrl_ra_write_PMISC_PWPR(BIT(PWPR_PFSWE_POS));
|
|
|
|
for (int i = 0; i < pin_cnt; i++) {
|
|
pinctrl_ra_configure_pfs(&pins[i]);
|
|
}
|
|
|
|
pinctrl_ra_write_PMISC_PWPR(0);
|
|
pinctrl_ra_write_PMISC_PWPR(BIT(PWPR_B0WI_POS));
|
|
|
|
return 0;
|
|
}
|