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pinctrl: exynos: add support for multiple pin banks

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Iterate all pin banks to find a pin

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Dzmitry Sankouski 2021-10-17 13:45:40 +03:00 • committed by Tom Rini
parent 85fcf94160
commit d8428f73c3
1 changed files with 22 additions and 6 deletions
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28
drivers/pinctrl/exynos/pinctrl-exynos.c
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@ -5,6 +5,7 @@
* Thomas Abraham <thomas.ab@samsung.com>
*/
#include <log.h>
#include <common.h>
#include <dm.h>
#include <errno.h>
@ -38,9 +39,9 @@ static unsigned long pin_to_bank_base(struct udevice *dev, const char *pin_name,
u32 *pin)
{
struct exynos_pinctrl_priv *priv = dev_get_priv(dev);
const struct samsung_pin_ctrl *pin_ctrl = priv->pin_ctrl;
const struct samsung_pin_bank_data *bank_data = pin_ctrl->pin_banks;
u32 nr_banks = pin_ctrl->nr_banks, idx = 0;
const struct samsung_pin_ctrl *pin_ctrl_array = priv->pin_ctrl;
const struct samsung_pin_bank_data *bank_data;
u32 nr_banks, pin_ctrl_idx = 0, idx = 0, bank_base;
char bank[10];
/*
@ -55,11 +56,26 @@ static unsigned long pin_to_bank_base(struct udevice *dev, const char *pin_name,
*pin = pin_name[++idx] - '0';
/* lookup the pin bank data using the pin bank name */
for (idx = 0; idx < nr_banks; idx++)
if (!strcmp(bank, bank_data[idx].name))
while (true) {
const struct samsung_pin_ctrl *pin_ctrl = &pin_ctrl_array[pin_ctrl_idx];
nr_banks = pin_ctrl->nr_banks;
if (!nr_banks)
break;
return priv->base + bank_data[idx].offset;
bank_data = pin_ctrl->pin_banks;
for (idx = 0; idx < nr_banks; idx++) {
debug("pinctrl[%d] bank_data[%d] name is: %s\n",
pin_ctrl_idx, idx, bank_data[idx].name);
if (!strcmp(bank, bank_data[idx].name)) {
bank_base = priv->base + bank_data[idx].offset;
break;
}
}
pin_ctrl_idx++;
}
return bank_base;
}
/**