linux-kernel - [PATCH] mfd: intel_soc_pmic_bxtwc: Add device for the I2C master

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Date:   Thu, 21 Mar 2019 17:41:22 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: intel_soc_pmic_bxtwc: Add device for the I2C master

Intel WhiskeyCove PMIC has also I2C master interface that is
designed to be used for controlling a discrete battery
charger IC.

Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 drivers/mfd/intel_soc_pmic_bxtwc.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c
index 03fe33882441..52885e2c0d85 100644
--- a/drivers/mfd/intel_soc_pmic_bxtwc.c
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -84,6 +84,7 @@ enum bxtwc_irqs_adc {
 
 enum bxtwc_irqs_chgr {
 	BXTWC_USBC_IRQ = 0,
+	BXTWC_I2C_IRQ,
 	BXTWC_CHGR0_IRQ,
 	BXTWC_CHGR1_IRQ,
 };
@@ -121,7 +122,8 @@ static const struct regmap_irq bxtwc_regmap_irqs_adc[] = {
 
 static const struct regmap_irq bxtwc_regmap_irqs_chgr[] = {
 	REGMAP_IRQ_REG(BXTWC_USBC_IRQ, 0, 0x20),
-	REGMAP_IRQ_REG(BXTWC_CHGR0_IRQ, 0, 0x1f),
+	REGMAP_IRQ_REG(BXTWC_I2C_IRQ, 0, 0x0f),
+	REGMAP_IRQ_REG(BXTWC_CHGR0_IRQ, 0, 0x10),
 	REGMAP_IRQ_REG(BXTWC_CHGR1_IRQ, 1, 0x1f),
 };
 
@@ -208,6 +210,10 @@ static struct resource usbc_resources[] = {
 	DEFINE_RES_IRQ(BXTWC_USBC_IRQ),
 };
 
+static struct resource i2c_resources[] = {
+	DEFINE_RES_IRQ(BXTWC_I2C_IRQ),
+};
+
 static struct resource charger_resources[] = {
 	DEFINE_RES_IRQ_NAMED(BXTWC_CHGR0_IRQ, "CHARGER"),
 	DEFINE_RES_IRQ_NAMED(BXTWC_CHGR1_IRQ, "CHARGER1"),
@@ -241,6 +247,11 @@ static struct mfd_cell bxt_wc_dev[] = {
 		.num_resources = ARRAY_SIZE(usbc_resources),
 		.resources = usbc_resources,
 	},
+	{
+		.name = "bxt_wcove_i2c",
+		.num_resources = ARRAY_SIZE(i2c_resources),
+		.resources = i2c_resources,
+	},
 	{
 		.name = "bxt_wcove_ext_charger",
 		.num_resources = ARRAY_SIZE(charger_resources),
-- 
2.20.1