[PATCH 5/5] Input: mtk-pmic-keys - Add support for MT6331 PMIC keys

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Add support for PMIC Keys of the MT6331 PMIC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 drivers/input/keyboard/mtk-pmic-keys.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c
index acd5aefac5f9..4a03fdfe8282 100644
--- a/drivers/input/keyboard/mtk-pmic-keys.c
+++ b/drivers/input/keyboard/mtk-pmic-keys.c
@@ -9,6 +9,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/mfd/mt6323/registers.h>
+#include <linux/mfd/mt6331/registers.h>
 #include <linux/mfd/mt6358/registers.h>
 #include <linux/mfd/mt6397/core.h>
 #include <linux/mfd/mt6397/registers.h>
@@ -22,6 +23,10 @@
 #define MTK_PMIC_MT6397_PWRKEY_RST_EN	BIT(6)
 #define MTK_PMIC_MT6397_RST_DU_MASK	GENMASK(9, 8)
 
+#define MTK_PMIC_MT6331_HOMEKEY_RST_EN	BIT(8)
+#define MTK_PMIC_MT6331_PWRKEY_RST_EN	BIT(9)
+#define MTK_PMIC_MT6331_RST_DU_MASK	GENMASK(13, 12)
+
 #define MTK_PMIC_PWRKEY_INDEX	0
 #define MTK_PMIC_HOMEKEY_INDEX	1
 #define MTK_PMIC_MAX_KEY_COUNT	2
@@ -86,6 +91,19 @@ static const struct mtk_pmic_regs mt6323_regs = {
 	.rst_lprst_mask = MTK_PMIC_MT6397_RST_DU_MASK,
 };
 
+static const struct mtk_pmic_regs mt6331_regs = {
+	.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
+		MTK_PMIC_KEYS_REGS(MT6331_TOPSTATUS, 0x2,
+				   MT6331_INT_MISC_CON, 0x4,
+				   MTK_PMIC_MT6331_PWRKEY_RST_EN),
+	.keys_regs[MTK_PMIC_HOMEKEY_INDEX] =
+		MTK_PMIC_KEYS_REGS(MT6331_TOPSTATUS, 0x4,
+				   MT6331_INT_MISC_CON, 0x2,
+				   MTK_PMIC_MT6331_HOMEKEY_RST_EN),
+	.pmic_rst_reg = MT6331_TOP_RST_MISC,
+	.rst_lprst_mask = MTK_PMIC_MT6331_RST_DU_MASK,
+};
+
 static const struct mtk_pmic_regs mt6358_regs = {
 	.keys_regs[MTK_PMIC_PWRKEY_INDEX] =
 		MTK_PMIC_KEYS_REGS(MT6358_TOPSTATUS,
@@ -284,6 +302,9 @@ static const struct of_device_id of_mtk_pmic_keys_match_tbl[] = {
 	}, {
 		.compatible = "mediatek,mt6323-keys",
 		.data = &mt6323_regs,
+	}, {
+		.compatible = "mediatek,mt6331-keys",
+		.data = &mt6331_regs,
 	}, {
 		.compatible = "mediatek,mt6358-keys",
 		.data = &mt6358_regs,
-- 
2.35.1




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