diff options
| author | Dzmitry Sankouski <dsankouski@gmail.com> | 2021-10-17 13:45:40 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-10-31 18:25:39 +0300 |
| commit | d8428f73c34b6edb322d7736741d069a81919ef6 (patch) | |
| tree | 777a715e9434256879ab48ed7bf8b62c17c65b23 /drivers/pinctrl | |
| parent | 85fcf9416032dea49c3a82816f03e528019dea9e (diff) | |
| download | u-boot-d8428f73c34b6edb322d7736741d069a81919ef6.tar.xz | |
pinctrl: exynos: add support for multiple pin banks
Iterate all pin banks to find a pin
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/exynos/pinctrl-exynos.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/pinctrl/exynos/pinctrl-exynos.c b/drivers/pinctrl/exynos/pinctrl-exynos.c index 2640c8fcef..898185479b 100644 --- a/drivers/pinctrl/exynos/pinctrl-exynos.c +++ b/drivers/pinctrl/exynos/pinctrl-exynos.c @@ -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; } /** |