[coreboot-gerrit] New patch to review for coreboot: google/oak: setup usb and configure I2C level shift pin

[Patrick Georgi (pgeorgi@google.com)]

Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13096

-gerrit

commit 9ec938b82d61d011ee90531e42db8d40b1468bea
Author: Ben Lok <ben.lok at mediatek.com>
Date:   Fri Jul 31 17:11:11 2015 +0800

    google/oak: setup usb and configure I2C level shift pin
    
    BRANCH=none
    BUG=none
    TEST=build pass and verified on rev3
    
    Change-Id: I3849342e59c2b022db723ef0281cdd5153ae27cb
    Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Commit-Id: 495e978cd7381bd393099315ac6d60fe4446dd9f
    Original-Change-Id: I9626d06746e5d0bf6698a9b8e7594c58e7ff213a
    Original-Signed-off-by: Ben Lok <ben.lok at mediatek.com>
    Original-Reviewed-on: https://chromium-review.googlesource.com/292689
    Original-Commit-Ready: Yidi Lin <yidi.lin at mediatek.com>
    Original-Tested-by: Yidi Lin <yidi.lin at mediatek.com>
    Original-Reviewed-by: Julius Werner <jwerner at chromium.org>
---
 src/mainboard/google/oak/mainboard.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/mainboard/google/oak/mainboard.c b/src/mainboard/google/oak/mainboard.c
index 614c965..fbdddb6 100644
--- a/src/mainboard/google/oak/mainboard.c
+++ b/src/mainboard/google/oak/mainboard.c
@@ -25,6 +25,7 @@
 #include <soc/mtcmos.h>
 #include <soc/pinmux.h>
 #include <soc/pll.h>
+#include <soc/usb.h>
 
 static void configure_audio(void)
 {
@@ -67,6 +68,14 @@ static void configure_audio(void)
 	mt_pll_set_aud_div(48 * KHz);
 }
 
+static void configure_usb(void)
+{
+	setup_usb_host();
+
+	if (board_id() > 3)
+		gpio_output(PAD_CM2MCLK, 1);
+}
+
 /* Setup backlight control pins as output pin and power-off by default */
 static void configure_backlight(void)
 {
@@ -96,8 +105,14 @@ static void configure_backlight(void)
 
 static void mainboard_init(device_t dev)
 {
+	/* TP_SHIFT_EN: Enables the level shifter for I2C bus 4 (TPAD), which
+	 * also contains the PS8640 eDP brige and the USB hub.
+	 */
+	mt6391_gpio_output(MT6391_KP_ROW2, 1);
+
 	configure_audio();
 	configure_backlight();
+	configure_usb();
 }
 
 static void mainboard_enable(device_t dev)