From: Jim Liu <jim.t90615@gmail.com>
Date: Tue, 20 Dec 2022 08:49:31 +0000 (+0800)
Subject: pinctrl: nuvoton: add NPCM7xx/NPCM8xx reset type detect
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=7ee1c4d1d125a1c76ff2d5d044f3844f74941cc4;p=u-boot.git

pinctrl: nuvoton: add NPCM7xx/NPCM8xx reset type detect

add reset type detect and persist setting.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
---

diff --git a/arch/arm/include/asm/arch-npcm8xx/rst.h b/arch/arm/include/asm/arch-npcm8xx/rst.h
index 379e841fca..09e1485063 100644
--- a/arch/arm/include/asm/arch-npcm8xx/rst.h
+++ b/arch/arm/include/asm/arch-npcm8xx/rst.h
@@ -16,7 +16,7 @@
 #define SW1RST		BIT(28)
 #define SW2RST		BIT(27)
 #define SW3RST		BIT(26)
-#define SW4RST		BIT(25)
+#define TIPRST		BIT(25)
 #define WD1RST		BIT(24)
 #define WD2RST		BIT(23)
 #define RST_STS_MASK	GENMASK(31, 23)
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index 31678f5537..1ad8bfbd88 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -47,6 +47,10 @@
 #define WD0RST				BIT(29)
 #define WD1RST				BIT(24)
 #define WD2RST				BIT(23)
+#define SWRST1				BIT(28)
+#define SWRST2				BIT(27)
+#define SWRST3				BIT(26)
+#define SW4RST				BIT(25)
 
 #define GPIOX_MODULE_RESET		16
 #define CA9C_RESET			BIT(0)
@@ -1374,6 +1378,14 @@ static bool is_gpio_persist(struct udevice *dev, u8 bank)
 		regmap_read(priv->rst_regmap, NPCM7XX_RST_WD1RCR, &tmp);
 	else if (value & WD2RST)
 		regmap_read(priv->rst_regmap, NPCM7XX_RST_WD2RCR, &tmp);
+	else if (value & SWRST1)
+                regmap_read(priv->rst_regmap, NPCM7XX_RST_SWRSTC1, &tmp);
+	else if (value & SWRST2)
+                regmap_read(priv->rst_regmap, NPCM7XX_RST_SWRSTC2, &tmp);
+	else if (value & SWRST3)
+                regmap_read(priv->rst_regmap, NPCM7XX_RST_SWRSTC3, &tmp);
+	else if (value & SW4RST)
+                regmap_read(priv->rst_regmap, NPCM7XX_RST_SWRSTC4, &tmp);
 	else
 		return false;
 
@@ -1392,11 +1404,19 @@ static int npcm7xx_gpio_reset_persist(struct udevice *dev, unsigned int banknum,
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD1RCR, BIT(num), 0);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD2RCR, BIT(num), 0);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_CORSTC, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC1, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC2, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC3, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC4, BIT(num), 0);
 	} else {
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD0RCR, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD1RCR, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD2RCR, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_CORSTC, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC1, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC2, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC3, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_SWRSTC4, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
 	}
 
 	return 0;
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
index c6ffa89f77..0ec47e9577 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c
@@ -20,7 +20,7 @@
 #define SWRSTC1		0x44
 #define SWRSTC2		0x48
 #define SWRSTC3		0x4c
-#define SWRSTC4		0x50
+#define TIPRSTC		0x50
 #define CORSTC		0x5c
 #define FLOCKR1		0x74
 #define INTCR4		0xc0
@@ -772,6 +772,10 @@ static int npcm8xx_gpio_reset_persist(struct udevice *dev, uint bank,
 		regmap_update_bits(priv->rst_regmap, WD1RCR, BIT(offset), 0);
 		regmap_update_bits(priv->rst_regmap, WD2RCR, BIT(offset), 0);
 		regmap_update_bits(priv->rst_regmap, CORSTC, BIT(offset), 0);
+		regmap_update_bits(priv->rst_regmap, SWRSTC1, BIT(offset), 0);
+		regmap_update_bits(priv->rst_regmap, SWRSTC2, BIT(offset), 0);
+		regmap_update_bits(priv->rst_regmap, SWRSTC3, BIT(offset), 0);
+		regmap_update_bits(priv->rst_regmap, TIPRSTC, BIT(offset), 0);
 	} else {
 		regmap_update_bits(priv->rst_regmap, WD0RCR, BIT(offset),
 				   BIT(offset));
@@ -781,6 +785,14 @@ static int npcm8xx_gpio_reset_persist(struct udevice *dev, uint bank,
 				   BIT(offset));
 		regmap_update_bits(priv->rst_regmap, CORSTC, BIT(offset),
 				   BIT(offset));
+		regmap_update_bits(priv->rst_regmap, SWRSTC1, BIT(offset),
+				   BIT(offset));
+		regmap_update_bits(priv->rst_regmap, SWRSTC2, BIT(offset),
+				   BIT(offset));
+		regmap_update_bits(priv->rst_regmap, SWRSTC3, BIT(offset),
+				   BIT(offset));
+		regmap_update_bits(priv->rst_regmap, TIPRSTC, BIT(offset),
+				   BIT(offset));
 	}
 
 	return 0;
@@ -804,6 +816,14 @@ static bool is_gpio_persist(struct udevice *dev, uint bank)
 		regmap_read(priv->rst_regmap, WD1RCR, &val);
 	else if (status & WD2RST)
 		regmap_read(priv->rst_regmap, WD2RCR, &val);
+	else if (status & SW1RST)
+		regmap_read(priv->rst_regmap, SWRSTC1, &val);
+	else if (status & SW2RST)
+		regmap_read(priv->rst_regmap, SWRSTC2, &val);
+	else if (status & SW3RST)
+		regmap_read(priv->rst_regmap, SWRSTC3, &val);
+	else if (status & TIPRST)
+		regmap_read(priv->rst_regmap, TIPRSTC, &val);
 	else
 		return false;