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cr50: add INA 3V3 load switch GPIO

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Add a GPIO to control the INA 3.3V power rail load switch on Reef.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=none
TEST=none

Change-Id: I2be33ebff376b50f9cc2962db5fc3fa11f4bb107
Reviewed-on: https://chromium-review.googlesource.com/361692
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Tested-by: Mary Ruthven <mruthven@chromium.org>
This commit is contained in:
Vincent Palatin
2016-07-20 12:55:48 +02:00
committed by Mary Ruthven
parent 17f02ee5a7
commit dbc2e3e909
1 changed files with 4 additions and 0 deletions
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4
board/cr50/gpio.inc
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@@ -55,6 +55,9 @@ GPIO(SPI_MOSI, PIN(0, 7), GPIO_INPUT)
GPIO(SPI_CLK, PIN(0, 8), GPIO_INPUT)
GPIO(SPI_CS_L, PIN(0, 9), GPIO_INPUT)
/* Control the load switch powering the INA 3.3V rail */
GPIO(EN_PP3300_INA_L, PIN(1, 9), GPIO_ODR_HIGH)
/* Unimplemented signals which we need to emulate for now */
/* TODO(wfrichar): Half the boards don't use this signal. Take it out. */
UNIMPLEMENTED(ENTERING_RW)
@@ -73,6 +76,7 @@ PINMUX(GPIO(INT_AP_L), A5, DIO_INPUT) /* DIOB7 is p_digitial_od */
/* We can't pull it up */
PINMUX(GPIO(EC_FLASH_SELECT), B2, DIO_INPUT)
PINMUX(GPIO(AP_FLASH_SELECT), B3, DIO_INPUT)
PINMUX(GPIO(EN_PP3300_INA_L), B7, DIO_INPUT)
PINMUX(GPIO(AP_WP_L), M3, 0)
PINMUX(GPIO(SYS_RST_L_IN), M0, 0)
PINMUX(GPIO(SYS_RST_L_OUT), M0, DIO_INPUT)