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pinctrl: qcom: handle input-enable pinconf property 

This enables support of 'input-enable' pinconf generic property in
the pinctrl driver.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stanimir Varbanov 2015-03-04 12:41:57 +02:00 committed by Linus Walleij
parent 38d756af72
commit 407f5e392f
1 changed files with 11 additions and 0 deletions
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11
drivers/pinctrl/qcom/pinctrl-msm.c
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@ -193,6 +193,7 @@ static int msm_config_reg(struct msm_pinctrl *pctrl,
*mask = 7;
break;
case PIN_CONFIG_OUTPUT:
case PIN_CONFIG_INPUT_ENABLE:
*bit = g->oe_bit;
*mask = 1;
break;
@ -260,6 +261,12 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev,
val = readl(pctrl->regs + g->io_reg);
arg = !!(val & BIT(g->in_bit));
break;
case PIN_CONFIG_INPUT_ENABLE:
/* Pin is output */
if (arg)
return -EINVAL;
arg = 1;
break;
default:
return -ENOTSUPP;
}
@ -330,6 +337,10 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev,
/* enable output */
arg = 1;
break;
case PIN_CONFIG_INPUT_ENABLE:
/* disable output */
arg = 0;
break;
default:
dev_err(pctrl->dev, "Unsupported config parameter: %x\n",
param);