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pinctrl: samsung: Handle banks with two configuration registers 

This patch adds support for banks that have more than one function
configuration registers, e.g. some of the banks of S3C64xx SoCs.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Tomasz Figa 2013-03-18 22:31:54 +01:00 committed by Linus Walleij
parent 43fc9e7fab
commit c16150d846
1 changed files with 10 additions and 0 deletions
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10
drivers/pinctrl/pinctrl-samsung.c
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@ -303,6 +303,11 @@ static void samsung_pinmux_setup(struct pinctrl_dev *pctldev, unsigned selector,
type = bank->type;
mask = (1 << type->fld_width[PINCFG_TYPE_FUNC]) - 1;
shift = pin_offset * type->fld_width[PINCFG_TYPE_FUNC];
if (shift >= 32) {
/* Some banks have two config registers */
shift -= 32;
reg += 4;
}
spin_lock_irqsave(&bank->slock, flags);
@ -356,6 +361,11 @@ static int samsung_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev,
mask = (1 << type->fld_width[PINCFG_TYPE_FUNC]) - 1;
shift = pin_offset * type->fld_width[PINCFG_TYPE_FUNC];
if (shift >= 32) {
/* Some banks have two config registers */
shift -= 32;
reg += 4;
}
spin_lock_irqsave(&bank->slock, flags);