[PATCH v1 2/2] board: toradex: aquila-am69: Remove ETH_1 MCU_CLKOUT0

Ernest Van Hoecke ernestvanhoecke at gmail.com
Tue Jan 27 11:14:12 CET 2026


From: Ernest Van Hoecke <ernest.vanhoecke at toradex.com>

On the Toradex Aquila AM69 V1.1, the on-module ETH_1 relies on an
external 25 MHz crystal oscillator. On the V1.0, we needed to enable
MCU_CLKOUT0, but support for this was already dropped from the device
tree before being sent to U-Boot.

Remove this obsolete enabling of MCU_CLKOUT0.

Fixes: 3f0528882c0d ("board: toradex: add aquila am69 support")
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke at toradex.com>
---
 board/toradex/aquila-am69/aquila-am69.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/board/toradex/aquila-am69/aquila-am69.c b/board/toradex/aquila-am69/aquila-am69.c
index 98b9bfc5aa4b..e0975d5bc6fe 100644
--- a/board/toradex/aquila-am69/aquila-am69.c
+++ b/board/toradex/aquila-am69/aquila-am69.c
@@ -22,8 +22,6 @@
 #include "ddrs_patch.h"
 
 #define CTRL_MMR_CFG0_MCU_ADC1_CTRL	0x40F040B4
-#define CTRL_MMR_CFG0_MCU_CLKOUT0_CTRL	0x40F08010
-#define MCU_CLKOUT0_CTRL_CLK_EN		BIT(4)
 
 #define HW_CFG_MEM_SZ_32GB		0x00
 #define HW_CFG_MEM_SZ_16GB		0x01
@@ -200,9 +198,4 @@ void spl_board_init(void)
 		if (ret)
 			printf("ESM PMIC init failed: %d\n", ret);
 	}
-
-	if (IS_ENABLED(CONFIG_TARGET_AQUILA_AM69_R5))
-		writel(readl(CTRL_MMR_CFG0_MCU_CLKOUT0_CTRL) |
-		       MCU_CLKOUT0_CTRL_CLK_EN,
-		       CTRL_MMR_CFG0_MCU_CLKOUT0_CTRL);
 }
-- 
2.43.0



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