diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-mxs.c')
-rw-r--r-- | drivers/pinctrl/pinctrl-mxs.c | 91 |
1 files changed, 50 insertions, 41 deletions
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c index f5d56436ba7f..40c76f26998c 100644 --- a/drivers/pinctrl/pinctrl-mxs.c +++ b/drivers/pinctrl/pinctrl-mxs.c @@ -233,7 +233,8 @@ static int mxs_pinconf_get(struct pinctrl_dev *pctldev, } static int mxs_pinconf_set(struct pinctrl_dev *pctldev, - unsigned pin, unsigned long config) + unsigned pin, unsigned long *configs, + unsigned num_configs) { return -ENOTSUPP; } @@ -249,7 +250,8 @@ static int mxs_pinconf_group_get(struct pinctrl_dev *pctldev, } static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev, - unsigned group, unsigned long config) + unsigned group, unsigned long *configs, + unsigned num_configs) { struct mxs_pinctrl_data *d = pinctrl_dev_get_drvdata(pctldev); struct mxs_group *g = &d->soc->groups[group]; @@ -257,49 +259,56 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev, u8 ma, vol, pull, bank, shift; u16 pin; u32 i; + int n; + unsigned long config; - ma = CONFIG_TO_MA(config); - vol = CONFIG_TO_VOL(config); - pull = CONFIG_TO_PULL(config); - - for (i = 0; i < g->npins; i++) { - bank = PINID_TO_BANK(g->pins[i]); - pin = PINID_TO_PIN(g->pins[i]); - - /* drive */ - reg = d->base + d->soc->regs->drive; - reg += bank * 0x40 + pin / 8 * 0x10; - - /* mA */ - if (config & MA_PRESENT) { - shift = pin % 8 * 4; - writel(0x3 << shift, reg + CLR); - writel(ma << shift, reg + SET); - } - - /* vol */ - if (config & VOL_PRESENT) { - shift = pin % 8 * 4 + 2; - if (vol) - writel(1 << shift, reg + SET); - else - writel(1 << shift, reg + CLR); + for (n = 0; n < num_configs; n++) { + config = configs[n]; + + ma = CONFIG_TO_MA(config); + vol = CONFIG_TO_VOL(config); + pull = CONFIG_TO_PULL(config); + + for (i = 0; i < g->npins; i++) { + bank = PINID_TO_BANK(g->pins[i]); + pin = PINID_TO_PIN(g->pins[i]); + + /* drive */ + reg = d->base + d->soc->regs->drive; + reg += bank * 0x40 + pin / 8 * 0x10; + + /* mA */ + if (config & MA_PRESENT) { + shift = pin % 8 * 4; + writel(0x3 << shift, reg + CLR); + writel(ma << shift, reg + SET); + } + + /* vol */ + if (config & VOL_PRESENT) { + shift = pin % 8 * 4 + 2; + if (vol) + writel(1 << shift, reg + SET); + else + writel(1 << shift, reg + CLR); + } + + /* pull */ + if (config & PULL_PRESENT) { + reg = d->base + d->soc->regs->pull; + reg += bank * 0x10; + shift = pin; + if (pull) + writel(1 << shift, reg + SET); + else + writel(1 << shift, reg + CLR); + } } - /* pull */ - if (config & PULL_PRESENT) { - reg = d->base + d->soc->regs->pull; - reg += bank * 0x10; - shift = pin; - if (pull) - writel(1 << shift, reg + SET); - else - writel(1 << shift, reg + CLR); - } - } + /* cache the config value for mxs_pinconf_group_get() */ + g->config = config; - /* cache the config value for mxs_pinconf_group_get() */ - g->config = config; + } /* for each config */ return 0; } |