linux-kernel - [PATCH 1/4] mfd: Add support for the MediaTek MT6366 PMIC

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Date:   Thu, 6 Jan 2022 14:54:04 +0800
From:   Johnson Wang <johnson.wang@...iatek.com>
To:     <lee.jones@...aro.org>, <robh+dt@...nel.org>, <broonie@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Johnson Wang <johnson.wang@...iatek.com>
Subject: [PATCH 1/4] mfd: Add support for the MediaTek MT6366 PMIC

This adds support for the MediaTek MT6366 PMIC. This is a
multifunction device with the following sub modules:

- Regulator
- RTC
- Codec
- Interrupt

It is interfaced to the host controller using SPI interface
by a proprietary hardware called PMIC wrapper or pwrap.
MT6366 MFD is a child device of the pwrap.

Signed-off-by: Johnson Wang <johnson.wang@...iatek.com>
---
 drivers/mfd/mt6358-irq.c             | 1 +
 include/linux/mfd/mt6358/registers.h | 7 +++++++
 include/linux/mfd/mt6397/core.h      | 1 +
 3 files changed, 9 insertions(+)

diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c
index 83f3ffbdbb4c..ea5e452510eb 100644
--- a/drivers/mfd/mt6358-irq.c
+++ b/drivers/mfd/mt6358-irq.c
@@ -212,6 +212,7 @@ int mt6358_irq_init(struct mt6397_chip *chip)
 
 	switch (chip->chip_id) {
 	case MT6358_CHIP_ID:
+	case MT6366_CHIP_ID:
 		chip->irq_data = &mt6358_irqd;
 		break;
 
diff --git a/include/linux/mfd/mt6358/registers.h b/include/linux/mfd/mt6358/registers.h
index 201139b12140..3d33517f178c 100644
--- a/include/linux/mfd/mt6358/registers.h
+++ b/include/linux/mfd/mt6358/registers.h
@@ -94,6 +94,10 @@
 #define MT6358_BUCK_VCORE_CON0                0x1488
 #define MT6358_BUCK_VCORE_DBG0                0x149e
 #define MT6358_BUCK_VCORE_DBG1                0x14a0
+#define MT6358_BUCK_VCORE_SSHUB_CON0          0x14a4
+#define MT6358_BUCK_VCORE_SSHUB_CON1          0x14a6
+#define MT6358_BUCK_VCORE_SSHUB_ELR0          MT6358_BUCK_VCORE_SSHUB_CON1
+#define MT6358_BUCK_VCORE_SSHUB_DBG1          MT6358_BUCK_VCORE_DBG1
 #define MT6358_BUCK_VCORE_ELR0                0x14aa
 #define MT6358_BUCK_VGPU_CON0                 0x1508
 #define MT6358_BUCK_VGPU_DBG0                 0x151e
@@ -169,6 +173,9 @@
 #define MT6358_LDO_VSRAM_OTHERS_CON0          0x1ba6
 #define MT6358_LDO_VSRAM_OTHERS_DBG0          0x1bc0
 #define MT6358_LDO_VSRAM_OTHERS_DBG1          0x1bc2
+#define MT6358_LDO_VSRAM_OTHERS_SSHUB_CON0    0x1bc4
+#define MT6358_LDO_VSRAM_OTHERS_SSHUB_CON1    0x1bc6
+#define MT6358_LDO_VSRAM_OTHERS_SSHUB_DBG1    MT6358_LDO_VSRAM_OTHERS_DBG1
 #define MT6358_LDO_VSRAM_GPU_CON0             0x1bc8
 #define MT6358_LDO_VSRAM_GPU_DBG0             0x1be2
 #define MT6358_LDO_VSRAM_GPU_DBG1             0x1be4
diff --git a/include/linux/mfd/mt6397/core.h b/include/linux/mfd/mt6397/core.h
index 56f210eebc54..1cf78726503b 100644
--- a/include/linux/mfd/mt6397/core.h
+++ b/include/linux/mfd/mt6397/core.h
@@ -14,6 +14,7 @@ enum chip_id {
 	MT6323_CHIP_ID = 0x23,
 	MT6358_CHIP_ID = 0x58,
 	MT6359_CHIP_ID = 0x59,
+	MT6366_CHIP_ID = 0x66,
 	MT6391_CHIP_ID = 0x91,
 	MT6397_CHIP_ID = 0x97,
 };
-- 
2.18.0