diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-sunxi.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-sunxi.c | 77 |
1 files changed, 41 insertions, 36 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index d251c76c2e62..8dbd465b01d3 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -274,50 +274,55 @@ static int sunxi_pconf_group_get(struct pinctrl_dev *pctldev, static int sunxi_pconf_group_set(struct pinctrl_dev *pctldev, unsigned group, - unsigned long config) + unsigned long *configs, + unsigned num_configs) { struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct sunxi_pinctrl_group *g = &pctl->groups[group]; u32 val, mask; u16 strength; u8 dlevel; + int i; - switch (pinconf_to_config_param(config)) { - case PIN_CONFIG_DRIVE_STRENGTH: - strength = pinconf_to_config_argument(config); - if (strength > 40) - return -EINVAL; - /* - * We convert from mA to what the register expects: - * 0: 10mA - * 1: 20mA - * 2: 30mA - * 3: 40mA - */ - dlevel = strength / 10 - 1; - val = readl(pctl->membase + sunxi_dlevel_reg(g->pin)); - mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(g->pin); - writel((val & ~mask) | dlevel << sunxi_dlevel_offset(g->pin), - pctl->membase + sunxi_dlevel_reg(g->pin)); - break; - case PIN_CONFIG_BIAS_PULL_UP: - val = readl(pctl->membase + sunxi_pull_reg(g->pin)); - mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); - writel((val & ~mask) | 1 << sunxi_pull_offset(g->pin), - pctl->membase + sunxi_pull_reg(g->pin)); - break; - case PIN_CONFIG_BIAS_PULL_DOWN: - val = readl(pctl->membase + sunxi_pull_reg(g->pin)); - mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); - writel((val & ~mask) | 2 << sunxi_pull_offset(g->pin), - pctl->membase + sunxi_pull_reg(g->pin)); - break; - default: - break; - } + for (i = 0; i < num_configs; i++) { + switch (pinconf_to_config_param(configs[i])) { + case PIN_CONFIG_DRIVE_STRENGTH: + strength = pinconf_to_config_argument(configs[i]); + if (strength > 40) + return -EINVAL; + /* + * We convert from mA to what the register expects: + * 0: 10mA + * 1: 20mA + * 2: 30mA + * 3: 40mA + */ + dlevel = strength / 10 - 1; + val = readl(pctl->membase + sunxi_dlevel_reg(g->pin)); + mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(g->pin); + writel((val & ~mask) + | dlevel << sunxi_dlevel_offset(g->pin), + pctl->membase + sunxi_dlevel_reg(g->pin)); + break; + case PIN_CONFIG_BIAS_PULL_UP: + val = readl(pctl->membase + sunxi_pull_reg(g->pin)); + mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); + writel((val & ~mask) | 1 << sunxi_pull_offset(g->pin), + pctl->membase + sunxi_pull_reg(g->pin)); + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + val = readl(pctl->membase + sunxi_pull_reg(g->pin)); + mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); + writel((val & ~mask) | 2 << sunxi_pull_offset(g->pin), + pctl->membase + sunxi_pull_reg(g->pin)); + break; + default: + break; + } - /* cache the config value */ - g->config = config; + /* cache the config value */ + g->config = configs[i]; + } /* for each config */ return 0; } |