linux-kernel - [PATCH] pinctrl: qcom: enable generic support and input-enable pinctrl conf

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Date:	Mon, 26 Jan 2015 18:24:54 +0200
From:	Stanimir Varbanov <svarbanov@...sol.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Stanimir Varbanov <svarbanov@...sol.com>
Subject: [PATCH] pinctrl: qcom: enable generic support and input-enable pinctrl conf

Enables generic pinconf support and add handling for 'input-enable'
pinconf property.

Signed-off-by: Stanimir Varbanov <svarbanov@...sol.com>
---
 drivers/pinctrl/qcom/pinctrl-msm.c |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index e730935..4a47eb1 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -193,11 +193,11 @@ 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;
 	default:
-		dev_err(pctrl->dev, "Invalid config param %04x\n", param);
 		return -ENOTSUPP;
 	}
 
@@ -208,14 +208,12 @@ static int msm_config_get(struct pinctrl_dev *pctldev,
 			  unsigned int pin,
 			  unsigned long *config)
 {
-	dev_err(pctldev->dev, "pin_config_set op not supported\n");
 	return -ENOTSUPP;
 }
 
 static int msm_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
 				unsigned long *configs, unsigned num_configs)
 {
-	dev_err(pctldev->dev, "pin_config_set op not supported\n");
 	return -ENOTSUPP;
 }
 
@@ -276,9 +274,11 @@ 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:
+		val = readl(pctrl->regs + g->io_reg);
+		arg = !!(val & BIT(g->in_bit));
+		break;
 	default:
-		dev_err(pctrl->dev, "Unsupported config parameter: %x\n",
-			param);
 		return -EINVAL;
 	}
 
@@ -348,6 +348,10 @@ 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);
@@ -372,6 +376,9 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev,
 }
 
 static const struct pinconf_ops msm_pinconf_ops = {
+#ifdef CONFIG_GENERIC_PINCONF
+	.is_generic		= true,
+#endif
 	.pin_config_get		= msm_config_get,
 	.pin_config_set		= msm_config_set,
 	.pin_config_group_get	= msm_config_group_get,
-- 
1.7.0.4

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