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[U-Boot,v2,2/2] mx25pdk: Turn on the LCD supply

Message ID 1424546570-14083-2-git-send-email-festevam@gmail.com
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Commit Message

Fabio Estevam Feb. 21, 2015, 7:22 p.m. UTC 
From: Fabio Estevam <fabio.estevam@freescale.com>

Currently there is no support for MC34704 PMIC in the mainline kernel.

Turn on the LCD supply via bootloader for the time being, so that we could 
use the LCD in the kernel.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
Changes since v1:
- None

 board/freescale/mx25pdk/mx25pdk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Stefano Babic March 2, 2015, 9:41 a.m. UTC | #1 
On 21/02/2015 20:22, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@freescale.com>
> 
> Currently there is no support for MC34704 PMIC in the mainline kernel.
> 
> Turn on the LCD supply via bootloader for the time being, so that we could 
> use the LCD in the kernel.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---

Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic
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Patch

diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c
index 71a395c..01dac72 100644
--- a/board/freescale/mx25pdk/mx25pdk.c
+++ b/board/freescale/mx25pdk/mx25pdk.c
@@ -146,8 +146,8 @@  int board_late_init(void)
 	if (!p)
 		return -ENODEV;
 
-	/* Turn on Ethernet PHY supply */
-	pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE);
+	/* Turn on Ethernet PHY and LCD supplies */
+	pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE | ONOFFA);
 
 	return 0;
 }