linux-kernel - [PATCH v2 06/17] mfd: mt6397: add support for MT6323 power controller into MT6397 driver

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Message-ID: <8ee68834240600125548155b063a2a4addfc5627.1524646231.git.sean.wang@mediatek.com>
Date:   Wed, 25 Apr 2018 17:32:32 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>, <sre@...nel.org>,
        <lee.jones@...aro.org>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...e-electrons.com>, <matthias.bgg@...il.com>,
        <eddie.huang@...iatek.com>
CC:     <devicetree@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH v2 06/17] mfd: mt6397: add support for MT6323 power controller into MT6397 driver

From: Sean Wang <sean.wang@...iatek.com>

Add compatible string as "mt6323-pwrc" that will make the OF core spawn
child devices for the power-controller subnode of that MT6323 MFD device.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 drivers/mfd/mt6397-core.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index c70d5b2..c4ad5c3 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -30,6 +30,9 @@
 #define MT6397_RTC_BASE		0xe000
 #define MT6397_RTC_SIZE		0x3e
 
+#define MT6323_PWRC_BASE	0x8000
+#define MT6323_PWRC_SIZE	0x40
+
 #define MT6323_CID_CODE		0x23
 #define MT6391_CID_CODE		0x91
 #define MT6397_CID_CODE		0x97
@@ -62,6 +65,10 @@ static const struct resource mt6397_keys_resources[] = {
 	DEFINE_RES_IRQ(MT6397_IRQ_HOMEKEY),
 };
 
+static const struct resource mt6323_pwrc_resources[] = {
+	DEFINE_RES_MEM(MT6323_PWRC_BASE, MT6323_PWRC_SIZE),
+};
+
 static const struct mfd_cell mt6323_devs[] = {
 	{
 		.name = "mt6323-rtc",
@@ -79,6 +86,11 @@ static const struct mfd_cell mt6323_devs[] = {
 		.num_resources = ARRAY_SIZE(mt6323_keys_resources),
 		.resources = mt6323_keys_resources,
 		.of_compatible = "mediatek,mt6323-keys"
+	}, {
+		.name = "mt6323-pwrc",
+		.num_resources = ARRAY_SIZE(mt6323_pwrc_resources),
+		.resources = mt6323_pwrc_resources,
+		.of_compatible = "mediatek,mt6323-pwrc"
 	},
 };
 
-- 
2.7.4