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From: Alexander Shiyan <shc_work@mail.ru>
To: barebox@lists.infradead.org
Subject: [PATCH] ARM: ccmx51: Set PMIC SW1 voltage for i.MX51 less than TO3 only
Date: Thu, 13 Jun 2013 11:19:56 +0400	[thread overview]
Message-ID: <1371107996-11771-1-git-send-email-shc_work@mail.ru> (raw)

This settings taken from original DIGI U-boot source code.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
 arch/arm/boards/ccxmx51/ccxmx51.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boards/ccxmx51/ccxmx51.c b/arch/arm/boards/ccxmx51/ccxmx51.c
index 9610e41..b760ca8 100644
--- a/arch/arm/boards/ccxmx51/ccxmx51.c
+++ b/arch/arm/boards/ccxmx51/ccxmx51.c
@@ -256,13 +256,13 @@ static int ccxmx51_power_init(void)
 	val = 0x238033;
 	mc13xxx_reg_write(mc13xxx_dev, MC13892_REG_CHARGE, val);
 
-	/* Set core voltage (SW1) to 1.1V */
-	mc13xxx_reg_read(mc13xxx_dev, MC13892_REG_SW_0, &val);
-	val &= ~0x00001f;
-	val |=  0x000014;
-	mc13xxx_reg_write(mc13xxx_dev, MC13892_REG_SW_0, val);
-
 	if (imx_silicon_revision() < IMX_CHIP_REV_3_0) {
+		/* Set core voltage (SW1) to 1.1V */
+		mc13xxx_reg_read(mc13xxx_dev, MC13892_REG_SW_0, &val);
+		val &= ~0x00001f;
+		val |=  0x000014;
+		mc13xxx_reg_write(mc13xxx_dev, MC13892_REG_SW_0, val);
+
 		/* Setup VCC (SW2) to 1.25 */
 		mc13xxx_reg_read(mc13xxx_dev, MC13892_REG_SW_1, &val);
 		val &= ~0x00001f;
-- 
1.8.1.5


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             reply	other threads:[~2013-06-13  7:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-13  7:19 Alexander Shiyan [this message]
2013-06-17  7:16 ` Sascha Hauer

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