linux-kernel - [PATCH 1/2] mfd/axp20x: add support for extcon cell

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Message-Id: <1427913834-15840-2-git-send-email-ramakrishna.pallala@intel.com>
Date:	Thu,  2 Apr 2015 00:13:53 +0530
From:	Ramakrishna Pallala <ramakrishna.pallala@...el.com>
To:	linux-kernel@...r.kernel.org,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Carlo Caione <carlo@...one.org>
Cc:	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Pallala Ramakrishna <ramakrishna.pallala@...el.com>
Subject: [PATCH 1/2] mfd/axp20x: add support for extcon cell

This patch adds the mfd cell info for axp288 extcon device.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@...el.com>
---
 drivers/mfd/axp20x.c       |   28 ++++++++++++++++++++++++++++
 include/linux/mfd/axp20x.h |    5 +++++
 2 files changed, 33 insertions(+)

diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 0acbe52..30af1a3 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -290,6 +290,29 @@ static struct resource axp288_adc_resources[] = {
 	},
 };
 
+static struct resource axp288_extcon_resources[] = {
+	{
+		.start = AXP288_IRQ_VBUS_FALL,
+		.end   = AXP288_IRQ_VBUS_FALL,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = AXP288_IRQ_VBUS_RISE,
+		.end   = AXP288_IRQ_VBUS_RISE,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = AXP288_IRQ_MV_CHNG,
+		.end   = AXP288_IRQ_MV_CHNG,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = AXP288_IRQ_BC_USB_CHNG,
+		.end   = AXP288_IRQ_BC_USB_CHNG,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
 static struct resource axp288_charger_resources[] = {
 	{
 		.start = AXP288_IRQ_OV,
@@ -345,6 +368,11 @@ static struct mfd_cell axp288_cells[] = {
 		.resources = axp288_adc_resources,
 	},
 	{
+		.name = "extcon-axp288",
+		.num_resources = ARRAY_SIZE(axp288_extcon_resources),
+		.resources = axp288_extcon_resources,
+	},
+	{
 		.name = "axp288_charger",
 		.num_resources = ARRAY_SIZE(axp288_charger_resources),
 		.resources = axp288_charger_resources,
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index dfabd6d..4ed8071 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -275,4 +275,9 @@ struct axp20x_fg_pdata {
 	int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
 };
 
+struct axp288_extcon_pdata {
+	/* GPIO pin control to switch D+/D- lines b/w PMIC and SOC */
+	struct gpio_desc *gpio_mux_cntl;
+};
+
 #endif /* __LINUX_MFD_AXP20X_H */
-- 
1.7.9.5

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