From: notaz <notasas@gmail.com>
Date: Sat, 2 Jul 2016 14:25:16 +0000 (+0300)
Subject: pandora/video: enable REGEN
X-Git-Tag: sz_175~13
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-u-boot.git;a=commitdiff_plain;h=59c52d5b5cc920f10f2ed4be47c86568ba8f8ece

pandora/video: enable REGEN

newer kernels can disable it, if user does a hard reset he won't see
the boot menu on CC.
---

diff --git a/board/pandora/video.c b/board/pandora/video.c
index 633cb939dd..1c0dda3261 100644
--- a/board/pandora/video.c
+++ b/board/pandora/video.c
@@ -110,6 +110,13 @@ static void lcd_init(void)
 
 	lcd_spi_init();
 
+	/* some kernels can now disable REGEN which controls the main 5V supply,
+	 * LCD is connected to it on CC units. Also enable it on Rebirth as the
+	 * user may want to boot the 2.6 kernel that doesn't control REGEN */
+	if (get_cpu_family() != CPU_OMAP36XX)
+		twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, 0x2e,
+				     TWL4030_PM_RECEIVER_REGEN_DEV_GRP);
+
 	/* set VPLL2 to 1.8V */
 	twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, 0x05,
 			     TWL4030_PM_RECEIVER_VPLL2_DEDICATED);