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>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index d36e51172567..f3d800f796c2 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -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);