linux-kernel - [PATCH 3/3] mfd: tqmx86: add support for TQMxE40M

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Message-Id: <3c19d714645f788913956223097adc360ceb6203.1617189926.git.matthias.schiffer@ew.tq-group.com>
Date:   Wed, 31 Mar 2021 13:35:45 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Lee Jones <lee.jones@...aro.org>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 3/3] mfd: tqmx86: add support for TQMxE40M

All future TQMx86 SoMs will use a 24MHz LPC clock, so we can use that as
a default instead of listing each new module individually.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 drivers/mfd/tqmx86.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index 732013f40e4e..1d5cebc4e72b 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -36,6 +36,7 @@
 #define TQMX86_REG_BOARD_ID_70EB	8
 #define TQMX86_REG_BOARD_ID_80UC	9
 #define TQMX86_REG_BOARD_ID_90UC	10
+#define TQMX86_REG_BOARD_ID_E40M	12
 #define TQMX86_REG_BOARD_REV	0x21
 #define TQMX86_REG_IO_EXT_INT	0x26
 #define TQMX86_REG_IO_EXT_INT_NONE		0
@@ -130,6 +131,8 @@ static const char *tqmx86_board_id_to_name(u8 board_id)
 		return "TQMx80UC";
 	case TQMX86_REG_BOARD_ID_90UC:
 		return "TQMx90UC";
+	case TQMX86_REG_BOARD_ID_E40M:
+		return "TQMxE40M";
 	default:
 		return "Unknown";
 	}
@@ -138,12 +141,6 @@ static const char *tqmx86_board_id_to_name(u8 board_id)
 static int tqmx86_board_id_to_clk_rate(u8 board_id)
 {
 	switch (board_id) {
-	case TQMX86_REG_BOARD_ID_50UC:
-	case TQMX86_REG_BOARD_ID_60EB:
-	case TQMX86_REG_BOARD_ID_70EB:
-	case TQMX86_REG_BOARD_ID_80UC:
-	case TQMX86_REG_BOARD_ID_90UC:
-		return 24000;
 	case TQMX86_REG_BOARD_ID_E39M:
 	case TQMX86_REG_BOARD_ID_E39C:
 	case TQMX86_REG_BOARD_ID_E39x:
@@ -152,7 +149,7 @@ static int tqmx86_board_id_to_clk_rate(u8 board_id)
 	case TQMX86_REG_BOARD_ID_E38C:
 		return 33000;
 	default:
-		return 0;
+		return 24000;
 	}
 }
 
-- 
2.17.1