[coreboot-gerrit] New patch to review for coreboot: bee91e2 samus: Enable GPIO9 as touchpad wake

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9271

-gerrit

commit bee91e2251779f721187d2a398ff872814cece87
Author: Duncan Laurie 
Date:   Mon Nov 3 12:48:11 2014 -0800

samus: Enable GPIO9 as touchpad wake

With EVT2 systems GPIO9 is now used for touchpad wake.

BUG=chrome-os-partner:32232
    BRANCH=samus
    TEST=suspend/resume by touchpad on samus, with kernel workaround
    to disable setting of T19 in atmel driver mxt_suspend()

51 | 2014-11-03 12:41:34 | ACPI Enter | S3
    52 | 2014-11-03 12:41:37 | ACPI Wake | S3
    53 | 2014-11-03 12:41:37 | Wake Source | GPIO | 9

Change-Id: I67c1a6591dc287fc780889950e78c731a5a65d44
    Signed-off-by: Stefan Reinauer 
    Original-Commit-Id: 8512a6e5266edaf77d300f47bd26c501f00361d7
    Original-Change-Id: I8120747986e694b64d464826f87c9afa68af157a
    Original-Signed-off-by: Duncan Laurie 
    Original-Reviewed-on: https://chromium-review.googlesource.com/227157
    Original-Reviewed-by: Aaron Durbin 
---
 src/mainboard/google/samus/acpi/mainboard.asl | 6 ++----
 src/mainboard/google/samus/gpio.h             | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl
index c6ad278..feecac3 100644
--- a/src/mainboard/google/samus/acpi/mainboard.asl
+++ b/src/mainboard/google/samus/acpi/mainboard.asl
@@ -122,7 +122,7 @@ Scope (_SB.PCI0.I2C0)
    	Name (_UID, 2)
    	Name (_S0W, 4)
    	Name (ISTP, 1) /* Touchpad */
-		Name (GPIO, 13) /* TRACKPAD_INT_L */
+		Name (GPIO, 9) /* TRACKPAD_INT_L (WAKE) */

Name (_CRS, ResourceTemplate()
    	{
@@ -140,7 +140,6 @@ Scope (_SB.PCI0.I2C0)

Name (_PRW, Package() { GPIO, 3 })

-#ifdef ENABLE_TOUCH_WAKE
    	Method (_DSW, 3, NotSerialized)
    	{
    		If (LEqual (Arg0, 1)) {
@@ -148,7 +147,6 @@ Scope (_SB.PCI0.I2C0)
    			_SB.PCI0.LPCB.GPIO.GWAK (^GPIO)
    		}
    	}
-#endif

Method (_STA)
    	{
@@ -304,9 +302,9 @@ Scope (_SB.PCI0.I2C1)
    		Interrupt (ResourceConsumer, Edge, ActiveLow) { 28 }
    	})

+#ifdef ENABLE_TOUCH_WAKE
    	Name (_PRW, Package() { GPIO, 3 })

-#ifdef ENABLE_TOUCH_WAKE
    	Method (_DSW, 3, NotSerialized)
    	{
    		If (LEqual (Arg0, 1)) {
diff --git a/src/mainboard/google/samus/gpio.h b/src/mainboard/google/samus/gpio.h
index 393a14f..9f4031f 100644
--- a/src/mainboard/google/samus/gpio.h
+++ b/src/mainboard/google/samus/gpio.h
@@ -37,7 +37,7 @@ static const struct gpio_config mainboard_gpio_config[] = {
    PCH_GPIO_NATIVE,        /* 6: NATIVE: I2C1_SDA_GPIO6 */
    PCH_GPIO_NATIVE,        /* 7: NATIVE: I2C1_SCL_GPIO7 */
    PCH_GPIO_ACPI_SCI,      /* 8: PCH_LTE_WAKE_L */
-	PCH_GPIO_UNUSED,        /* 9: UNUSED */
+	PCH_GPIO_INPUT_INVERT,  /* 9: TRACKPAD_INT_L (WAKE) */
    PCH_GPIO_ACPI_SCI,      /* 10: PCH_WLAN_WAKE_L */
    PCH_GPIO_UNUSED,        /* 11: UNUSED */
    PCH_GPIO_UNUSED,        /* 12: UNUSED */