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

Frank Wunderlich
2019-07-03T16:48:19Z

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

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

Signed-off-by: Frank Wunderlich <frank-w@public-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