linux-kernel - [PATCH] mfd: tqmx86: add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM

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Message-ID: <20251007095424.138878-1-matthias.schiffer@ew.tq-group.com>
Date: Tue,  7 Oct 2025 11:54:24 +0200
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Lee Jones <lee@...nel.org>
Cc: linux@...tq-group.com,
	linux-kernel@...r.kernel.org,
	Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH] mfd: tqmx86: add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM

This adds support for 2 new TQMx86 COMs:

- TQMxCU1-HPCM (COM-HPC Mini Module with Intel Core Ultra Processors [1])
- TQMxCU2-HPCM (in development)

[1] https://www.tq-group.com/en/products/tq-embedded/x86-architecture/tqmxcu1-hpcm/

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 drivers/mfd/tqmx86.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index 1cba3b67b0fb9..1c2fe3f912389 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -43,6 +43,8 @@
 #define TQMX86_REG_BOARD_ID_E40C2	15
 #define TQMX86_REG_BOARD_ID_130UC	16
 #define TQMX86_REG_BOARD_ID_E41S	19
+#define TQMX86_REG_BOARD_ID_CU1_HPCM	24
+#define TQMX86_REG_BOARD_ID_CU2_HPCM	25
 #define TQMX86_REG_BOARD_REV	0x01
 #define TQMX86_REG_IO_EXT_INT	0x06
 #define TQMX86_REG_IO_EXT_INT_NONE		0
@@ -165,6 +167,10 @@ static const char *tqmx86_board_id_to_name(u8 board_id, u8 sauc)
 		return "TQMx130UC";
 	case TQMX86_REG_BOARD_ID_E41S:
 		return "TQMxE41S";
+	case TQMX86_REG_BOARD_ID_CU1_HPCM:
+		return "TQMxCU1-HPCM";
+	case TQMX86_REG_BOARD_ID_CU2_HPCM:
+		return "TQMxCU2-HPCM";
 	default:
 		return "Unknown";
 	}
@@ -185,6 +191,8 @@ static int tqmx86_board_id_to_clk_rate(struct device *dev, u8 board_id)
 	case TQMX86_REG_BOARD_ID_E40C2:
 	case TQMX86_REG_BOARD_ID_130UC:
 	case TQMX86_REG_BOARD_ID_E41S:
+	case TQMX86_REG_BOARD_ID_CU1_HPCM:
+	case TQMX86_REG_BOARD_ID_CU2_HPCM:
 		return 24000;
 	case TQMX86_REG_BOARD_ID_E39MS:
 	case TQMX86_REG_BOARD_ID_E39C1:
-- 
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