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Message-ID: <16807e13e034f85adc91d131f6c5046ce7d98d9c.1746518265.git.efectn@protonmail.com>
Date: Thu, 26 Jun 2025 17:04:30 +0300
From: muhammed.efecetin.67@...il.com
To: linux-rockchip@...ts.infradead.org
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	heiko@...ech.de,
	neil.armstrong@...aro.org,
	lee@...nel.org,
	rafael@...nel.org,
	efectn@...tonmail.com,
	daniel.lezcano@...aro.org
Subject: [PATCH 3/5] mfd: khadas-mcu: add Khadas Edge 2 registers

From: Muhammed Efe Cetin <efectn@...tonmail.com>

Add Khadas Edge 2 MCU registers to khadas-mcu.h and adjust some properties.
Also, i've added some registers with V2 suffix,
as same addresses were already exist for previous boards.

Signed-off-by: Muhammed Efe Cetin <efectn@...tonmail.com>
---
 drivers/mfd/khadas-mcu.c       |  8 ++++++--
 include/linux/mfd/khadas-mcu.h | 25 +++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/khadas-mcu.c b/drivers/mfd/khadas-mcu.c
index ca4bd6cf5..199ed4925 100644
--- a/drivers/mfd/khadas-mcu.c
+++ b/drivers/mfd/khadas-mcu.c
@@ -26,6 +26,10 @@ static bool khadas_mcu_reg_volatile(struct device *dev, unsigned int reg)
 	case KHADAS_MCU_CHECK_USER_PASSWD_REG:
 	case KHADAS_MCU_WOL_INIT_START_REG:
 	case KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG:
+	case KHADAS_MCU_LED_ON_RAM_REG:
+	case KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG_V2:
+	case KHADAS_MCU_WDT_EN_REG:
+	case KHADAS_MCU_SYS_RST_REG:
 		return true;
 	default:
 		return false;
@@ -69,14 +73,14 @@ static const struct regmap_config khadas_mcu_regmap_config = {
 	.reg_bits	= 8,
 	.reg_stride	= 1,
 	.val_bits	= 8,
-	.max_register	= KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG,
+	.max_register	= KHADAS_MCU_SYS_RST_REG,
 	.volatile_reg	= khadas_mcu_reg_volatile,
 	.writeable_reg	= khadas_mcu_reg_writeable,
 	.cache_type	= REGCACHE_MAPLE,
 };
 
 static struct mfd_cell khadas_mcu_fan_cells[] = {
-	/* VIM1/2 Rev13+ and VIM3 only */
+	/* VIM1/2 Rev13+, VIM3 and Edge2 only */
 	{ .name = "khadas-mcu-fan-ctrl", },
 };
 
diff --git a/include/linux/mfd/khadas-mcu.h b/include/linux/mfd/khadas-mcu.h
index a99ba2ed0..de570e159 100644
--- a/include/linux/mfd/khadas-mcu.h
+++ b/include/linux/mfd/khadas-mcu.h
@@ -35,26 +35,45 @@
 #define KHADAS_MCU_FACTORY_TEST_REG		0x16 /* R */
 #define KHADAS_MCU_BOOT_MODE_REG		0x20 /* RW */
 #define KHADAS_MCU_BOOT_EN_WOL_REG		0x21 /* RW */
+#define KHADAS_MCU_BOOT_EN_DCIN_REG_V2		0x21 /* RW */
 #define KHADAS_MCU_BOOT_EN_RTC_REG		0x22 /* RW */
 #define KHADAS_MCU_BOOT_EN_EXP_REG		0x23 /* RW */
+#define KHADAS_MCU_LED_MODE_ON_REG_V2		0x23 /* RW */
+#define KHADAS_MCU_LED_MODE_OFF_REG_V2		0x24 /* RW */
 #define KHADAS_MCU_BOOT_EN_IR_REG		0x24 /* RW */
 #define KHADAS_MCU_BOOT_EN_DCIN_REG		0x25 /* RW */
+#define KHADAS_MCU_RGB_ON_R_REG			0x25 /* RW */
+#define KHADAS_MCU_RGB_ON_G_REG			0x26 /* RW */
 #define KHADAS_MCU_BOOT_EN_KEY_REG		0x26 /* RW */
+#define KHADAS_MCU_RGB_ON_B_REG			0x27 /* RW */
 #define KHADAS_MCU_KEY_MODE_REG			0x27 /* RW */
+#define KHADAS_MCU_RGB_OFF_R_REG		0x28 /* RW */
 #define KHADAS_MCU_LED_MODE_ON_REG		0x28 /* RW */
+#define KHADAS_MCU_RGB_OFF_G_REG		0x29 /* RW */
 #define KHADAS_MCU_LED_MODE_OFF_REG		0x29 /* RW */
+#define KHADAS_MCU_RGB_OFF_B_REG		0x2a /* RW */
+#define KHADAS_MCU_REST_CONF_REG		0x2c /* WO */
 #define KHADAS_MCU_SHUTDOWN_NORMAL_REG		0x2c /* RW */
 #define KHADAS_MCU_MAC_SWITCH_REG		0x2d /* RW */
 #define KHADAS_MCU_MCU_SLEEP_MODE_REG		0x2e /* RW */
+#define KHADAS_MCU_BOOT_EN_IR_REG_V2		0x2f /* RW */
 #define KHADAS_MCU_IR_CODE1_0_REG		0x2f /* RW */
 #define KHADAS_MCU_IR_CODE1_1_REG		0x30 /* RW */
+#define KHADAS_MCU_IR1_CUST1_REG		0x30 /* RW */
 #define KHADAS_MCU_IR_CODE1_2_REG		0x31 /* RW */
+#define KHADAS_MCU_IR1_CUST2_REG		0x31 /* RW */
 #define KHADAS_MCU_IR_CODE1_3_REG		0x32 /* RW */
+#define KHADAS_MCU_IR1_ORDER1_REG		0x32 /* RW */
 #define KHADAS_MCU_USB_PCIE_SWITCH_REG		0x33 /* RW */
+#define KHADAS_MCU_IR1_ORDER2_REG		0x33 /* RW */
+#define KHADAS_MCU_IR2_CUST1_REG		0x34 /* RW */
 #define KHADAS_MCU_IR_CODE2_0_REG		0x34 /* RW */
 #define KHADAS_MCU_IR_CODE2_1_REG		0x35 /* RW */
+#define KHADAS_MCU_IR2_CUST2_REG		0x35 /* RW */
 #define KHADAS_MCU_IR_CODE2_2_REG		0x36 /* RW */
+#define KHADAS_MCU_IR2_ORDER1_REG		0x36 /* RW */
 #define KHADAS_MCU_IR_CODE2_3_REG		0x37 /* RW */
+#define KHADAS_MCU_IR2_ORDER2_REG		0x36 /* RW */
 #define KHADAS_MCU_PASSWD_USER_0_REG		0x40 /* RW */
 #define KHADAS_MCU_PASSWD_USER_1_REG		0x41 /* RW */
 #define KHADAS_MCU_PASSWD_USER_2_REG		0x42 /* RW */
@@ -69,6 +88,11 @@
 #define KHADAS_MCU_SHUTDOWN_NORMAL_STATUS_REG	0x86 /* RO */
 #define KHADAS_MCU_WOL_INIT_START_REG		0x87 /* WO */
 #define KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG	0x88 /* WO */
+#define KHADAS_MCU_LED_ON_RAM_REG		0x89 /* WO */
+#define KHADAS_MCU_CMD_FAN_STATUS_CTRL_REG_V2	0x8A /* WO */
+#define KHADAS_MCU_WDT_EN_REG			0x8B /* WO */
+#define KHADAS_MCU_SYS_RST_REG			0x91 /* WO */
+
 
 enum {
 	KHADAS_BOARD_VIM1 = 0x1,
@@ -76,6 +100,7 @@ enum {
 	KHADAS_BOARD_VIM3,
 	KHADAS_BOARD_EDGE = 0x11,
 	KHADAS_BOARD_EDGE_V,
+	KHADAS_BOARD_EDGE2,
 };
 
 /**
-- 
2.49.0


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