From de58cee8c6b803dda3304eace346919fe880a40a Mon Sep 17 00:00:00 2001
From: Fabien Parent <fparent@baylibre.com>
Date: Tue, 31 May 2022 14:49:56 +0200
Subject: mfd: mt6397-core: Add MT6357 PMIC support

Adds support for PMIC keys, Regulator, and RTC for the MT6357 PMIC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220531124959.202787-5-fparent@baylibre.com
---
 drivers/mfd/mt6397-core.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'drivers/mfd/mt6397-core.c')

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 1a368ad08f58..3cb8836bd08d 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -12,10 +12,12 @@
 #include <linux/regmap.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/mt6323/core.h>
+#include <linux/mfd/mt6357/core.h>
 #include <linux/mfd/mt6358/core.h>
 #include <linux/mfd/mt6359/core.h>
 #include <linux/mfd/mt6397/core.h>
 #include <linux/mfd/mt6323/registers.h>
+#include <linux/mfd/mt6357/registers.h>
 #include <linux/mfd/mt6358/registers.h>
 #include <linux/mfd/mt6359/registers.h>
 #include <linux/mfd/mt6397/registers.h>
@@ -23,6 +25,9 @@
 #define MT6323_RTC_BASE		0x8000
 #define MT6323_RTC_SIZE		0x40
 
+#define MT6357_RTC_BASE		0x0588
+#define MT6357_RTC_SIZE		0x3c
+
 #define MT6358_RTC_BASE		0x0588
 #define MT6358_RTC_SIZE		0x3c
 
@@ -37,6 +42,11 @@ static const struct resource mt6323_rtc_resources[] = {
 	DEFINE_RES_IRQ(MT6323_IRQ_STATUS_RTC),
 };
 
+static const struct resource mt6357_rtc_resources[] = {
+	DEFINE_RES_MEM(MT6357_RTC_BASE, MT6357_RTC_SIZE),
+	DEFINE_RES_IRQ(MT6357_IRQ_RTC),
+};
+
 static const struct resource mt6358_rtc_resources[] = {
 	DEFINE_RES_MEM(MT6358_RTC_BASE, MT6358_RTC_SIZE),
 	DEFINE_RES_IRQ(MT6358_IRQ_RTC),
@@ -66,6 +76,13 @@ static const struct resource mt6323_keys_resources[] = {
 	DEFINE_RES_IRQ_NAMED(MT6323_IRQ_STATUS_FCHRKEY, "homekey"),
 };
 
+static const struct resource mt6357_keys_resources[] = {
+	DEFINE_RES_IRQ_NAMED(MT6357_IRQ_PWRKEY, "powerkey"),
+	DEFINE_RES_IRQ_NAMED(MT6357_IRQ_HOMEKEY, "homekey"),
+	DEFINE_RES_IRQ_NAMED(MT6357_IRQ_PWRKEY_R, "powerkey_r"),
+	DEFINE_RES_IRQ_NAMED(MT6357_IRQ_HOMEKEY_R, "homekey_r"),
+};
+
 static const struct resource mt6397_keys_resources[] = {
 	DEFINE_RES_IRQ_NAMED(MT6397_IRQ_PWRKEY, "powerkey"),
 	DEFINE_RES_IRQ_NAMED(MT6397_IRQ_HOMEKEY, "homekey"),
@@ -100,6 +117,22 @@ static const struct mfd_cell mt6323_devs[] = {
 	},
 };
 
+static const struct mfd_cell mt6357_devs[] = {
+	{
+		.name = "mt6357-regulator",
+	}, {
+		.name = "mt6357-rtc",
+		.num_resources = ARRAY_SIZE(mt6357_rtc_resources),
+		.resources = mt6357_rtc_resources,
+		.of_compatible = "mediatek,mt6357-rtc",
+	}, {
+		.name = "mtk-pmic-keys",
+		.num_resources = ARRAY_SIZE(mt6357_keys_resources),
+		.resources = mt6357_keys_resources,
+		.of_compatible = "mediatek,mt6357-keys"
+	},
+};
+
 static const struct mfd_cell mt6358_devs[] = {
 	{
 		.name = "mt6358-regulator",
@@ -179,6 +212,14 @@ static const struct chip_data mt6323_core = {
 	.irq_init = mt6397_irq_init,
 };
 
+static const struct chip_data mt6357_core = {
+	.cid_addr = MT6357_SWCID,
+	.cid_shift = 8,
+	.cells = mt6357_devs,
+	.cell_size = ARRAY_SIZE(mt6357_devs),
+	.irq_init = mt6358_irq_init,
+};
+
 static const struct chip_data mt6358_core = {
 	.cid_addr = MT6358_SWCID,
 	.cid_shift = 8,
@@ -261,6 +302,9 @@ static const struct of_device_id mt6397_of_match[] = {
 	{
 		.compatible = "mediatek,mt6323",
 		.data = &mt6323_core,
+	}, {
+		.compatible = "mediatek,mt6357",
+		.data = &mt6357_core,
 	}, {
 		.compatible = "mediatek,mt6358",
 		.data = &mt6358_core,
-- 
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