[PATCH] ARM: ccmx51: Set PMIC SW1 voltage for i.MX51 less than TO3 only

[PATCH] ARM: ccmx51: Set PMIC SW1 voltage for i.MX51 less than TO3 only

[Alexander Shiyan]

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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Re: [PATCH] ARM: ccmx51: Set PMIC SW1 voltage for i.MX51 less than TO3 only

[Sascha Hauer]

On Thu, Jun 13, 2013 at 11:19:56AM +0400, Alexander Shiyan wrote:
> This settings taken from original DIGI U-boot source code.
> 
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>

Applied, thanks

Sascha

> ---
>  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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> http://lists.infradead.org/mailman/listinfo/barebox
> 

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