linux-kernel - [PATCH v2 4/7] mfd: mt6323: some improvements of mt6397-core

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Message-Id: <20190703164822.17924-5-frank-w@public-files.de>
Date:   Wed,  3 Jul 2019 18:48:19 +0200
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Sebastian Reichel <sre@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-rtc@...r.kernel.org,
        Eddie Huang <eddie.huang@...iatek.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Richard Fontana <rfontana@...hat.com>,
        Allison Randal <allison@...utok.net>,
        "David S . Miller" <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>
Cc:     Josef Friedl <josef.friedl@...ed.at>,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: [PATCH v2 4/7] mfd: mt6323: some improvements of mt6397-core

From: Josef Friedl <josef.friedl@...ed.at>

- simplyfications (resource definitions my DEFINE_RES_* macros)
- add mt6323 rtc+pwrc

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 drivers/mfd/mt6397-core.c | 40 ++++++++++++++++++++++++++++-----------
 1 file changed, 29 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 337bcccdb914..a4abce00f156 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -1,10 +1,11 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2014 MediaTek Inc.
+ * Copyright (c) 2014-2018 MediaTek Inc.
  * Author: Flora Fu, MediaTek
  */

 #include <linux/interrupt.h>
+#include <linux/ioport.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
@@ -15,24 +16,27 @@
 #include <linux/mfd/mt6397/registers.h>
 #include <linux/mfd/mt6323/registers.h>

+#define MT6323_RTC_BASE		0x8000
+#define MT6323_RTC_SIZE		0x40
+
 #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

+static const struct resource mt6323_rtc_resources[] = {
+	DEFINE_RES_MEM(MT6323_RTC_BASE, MT6323_RTC_SIZE),
+	DEFINE_RES_IRQ(MT6323_IRQ_STATUS_RTC),
+};
+
 static const struct resource mt6397_rtc_resources[] = {
-	{
-		.start = MT6397_RTC_BASE,
-		.end   = MT6397_RTC_BASE + MT6397_RTC_SIZE,
-		.flags = IORESOURCE_MEM,
-	},
-	{
-		.start = MT6397_IRQ_RTC,
-		.end   = MT6397_IRQ_RTC,
-		.flags = IORESOURCE_IRQ,
-	},
+	DEFINE_RES_MEM(MT6397_RTC_BASE, MT6397_RTC_SIZE),
+	DEFINE_RES_IRQ(MT6397_IRQ_RTC),
 };

 static const struct resource mt6323_keys_resources[] = {
@@ -45,8 +49,17 @@ 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",
+		.num_resources = ARRAY_SIZE(mt6323_rtc_resources),
+		.resources = mt6323_rtc_resources,
+		.of_compatible = "mediatek,mt6323-rtc",
+	}, {
 		.name = "mt6323-regulator",
 		.of_compatible = "mediatek,mt6323-regulator"
 	}, {
@@ -57,6 +70,11 @@ 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"
 	},
 };

--
2.17.1