From: Stefano Babic <sbabic@denx.de>
Date: Mon, 17 Oct 2016 13:51:34 +0000 (+0200)
Subject: mx35: add GPIO setup on flea3 board
X-Git-Tag: v2017.01-rc1~156^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=322ac5f1d5e564bca95cce7d8410c215f93a0255;p=platform%2Fkernel%2Fu-boot.git

mx35: add GPIO setup on flea3 board

Hardware revision "e" of the board introduces
a GPIO to reduce power consumption in stand-by mode.
This must be enable (active low) at the startup
for normal behaviour.

Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Heiko Schocher <hs@denx.de>
---

diff --git a/board/CarMediaLab/flea3/flea3.c b/board/CarMediaLab/flea3/flea3.c
index ca3e44b..3cd4dc9 100644
--- a/board/CarMediaLab/flea3/flea3.c
+++ b/board/CarMediaLab/flea3/flea3.c
@@ -122,6 +122,8 @@ static void setup_iomux_fec(void)
 		MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 		MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 		MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
+		/* GPIO used to power off ethernet */
+		MX35_PAD_STXFS4__GPIO2_31,
 	};
 
 	/* setup pins for FEC */
@@ -183,6 +185,11 @@ int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
+	/* Enable power for ethernet */
+	gpio_direction_output(63, 0);
+
+	udelay(2000);
+
 	return 0;
 }