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mainboard/google/reef: add pen connections

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A pen interface was added. Prepare for possibly testing it by
plumbing in the gpio configuration. It's very possible these
changes need to be tweaked, but no driver code has been seen
yet nor a datasheet detailing how some of these signals actually
function.

BUG=chrome-os-partner:56739

Change-Id: I208ff3e151ce55d62e5fcc33a1e39cc87e229970
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16376
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Aaron Durbin
2016-08-30 17:23:59 -05:00
parent f0cd74dd84
commit 9a251c0280
1 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/mainboard/google/reef/gpio.h
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@@ -112,9 +112,11 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_NF(GPIO_132, UP_2K, DEEP, NF1), /* LPSS_I2C4_SDA */
PAD_CFG_NF(GPIO_133, UP_2K, DEEP, NF1), /* LPSS_I2C4_SCL */
/* I2C5-7 -- unused. */
PAD_CFG_GPI(GPIO_134, UP_20K, DEEP), /* LPSS_I2C5_SDA */
PAD_CFG_GPI(GPIO_135, UP_20K, DEEP), /* LPSS_I2C5_SCL */
/* I2C5 -- pen with external pulls */
PAD_CFG_NF(GPIO_134, NONE, DEEP, NF1), /* LPSS_I2C5_SDA */
PAD_CFG_NF(GPIO_135, NONE, DEEP, NF1), /* LPSS_I2C5_SCL */
/* I2C6-7 -- unused. */
PAD_CFG_GPI(GPIO_136, UP_20K, DEEP), /* LPSS_I2C6_SDA */
PAD_CFG_GPI(GPIO_137, UP_20K, DEEP), /* LPSS_I2C6_SCL */
PAD_CFG_GPI(GPIO_138, UP_20K, DEEP), /* LPSS_I2C7_SDA */
@@ -289,7 +291,7 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_GPI(GPIO_10, UP_20K, DEEP), /* unused */
PAD_CFG_GPI_SCI_LOW(GPIO_11, NONE, DEEP, EDGE_SINGLE), /* EC SCI */
PAD_CFG_GPI(GPIO_12, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_13, UP_20K, DEEP), /* unused */
PAD_CFG_GPI_APIC_LOW(GPIO_13, UP_20K, DEEP), /* PEN_INT_ODL */
PAD_CFG_GPI_APIC_HIGH(GPIO_14, DN_20K, DEEP), /* FP_INT */
PAD_CFG_GPI(GPIO_16, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_17, UP_20K, DEEP), /* unused */
@@ -299,7 +301,7 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_GPI_APIC_LOW(GPIO_21, NONE, DEEP), /* Touch IRQ */
PAD_CFG_GPI_SCI_LOW(GPIO_22, NONE, DEEP, LEVEL), /* EC wake */
PAD_CFG_GPI(GPIO_23, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_24, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_24, UP_20K, DEEP), /* PEN_PDCT_ODL */
PAD_CFG_GPI(GPIO_25, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_26, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_27, UP_20K, DEEP), /* unused */
@@ -310,7 +312,7 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_NF(GPIO_32, NONE, DEEP, NF5), /* SUS_CLK2 */
PAD_CFG_GPI_APIC_LOW(GPIO_33, NONE, DEEP), /* PMIC IRQ */
PAD_CFG_GPI(GPIO_34, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_35, UP_20K, DEEP), /* unused */
PAD_CFG_GPO(GPIO_35, 0, DEEP), /* PEN_RESET - active high */
PAD_CFG_GPO(GPIO_36, 0, DEEP), /* touch reset */
PAD_CFG_GPI(GPIO_37, UP_20K, DEEP), /* unused */