diff options
| author | Randall Spangler <rspangler@chromium.org> | 2012-01-11 16:30:56 -0800 |
|---|---|---|
| committer | Randall Spangler <rspangler@chromium.org> | 2012-01-11 16:30:56 -0800 |
| commit | c9352ce6ca86fb2e5e717610ed08d5483c5bed3b (patch) | |
| tree | 94e2e63b73691c4c1f9b7499ef37b3261c582916 /include/gpio.h | |
| parent | 1f2f8627c3ad74beb4be6ab8709aa7c260692be1 (diff) | |
| download | chrome-ec-c9352ce6ca86fb2e5e717610ed08d5483c5bed3b.tar.gz | |
Add constants for all GPIOs.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7528
TEST=none
Change-Id: I3b77cbbb7f0cc12a4daae7ababd603b5d7af32d1
Diffstat (limited to 'include/gpio.h')
| -rw-r--r-- | include/gpio.h | 70 |
1 files changed, 62 insertions, 8 deletions
diff --git a/include/gpio.h b/include/gpio.h index 0d307b8b95..92b250fb92 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -11,16 +11,70 @@ #include "common.h" /* GPIO signal definitions. */ +/* TODO: the exact list is board-depdendent */ enum gpio_signal { - /* Signals with interrupt handlers are first for efficiency */ - EC_GPIO_POWER_BUTTON = 0, /* Power button */ - EC_GPIO_LID_SWITCH, /* Lid switch */ - /* Other signals */ - EC_GPIO_DEBUG_LED, /* Debug LED */ - EC_GPIO_POWER_BUTTON_OUT, /* Power button output to PCH */ - EC_GPIO_LID_SWITCH_OUT, /* Lid switch output to PCH */ + /* Inputs with interrupt handlers are first for efficiency */ + GPIO_POWER_BUTTONn = 0, /* Power button */ + GPIO_LID_SWITCHn, /* Lid switch */ + GPIO_POWER_ONEWIRE, /* 1-wire interface to power adapter LEDs */ + GPIO_THERMAL_DATA_READYn, /* Data ready from I2C thermal sensor */ + /* Other inputs */ + GPIO_AC_PRESENT, /* AC power present */ + GPIO_PCH_BKLTEN, /* Backlight enable signal from PCH */ + GPIO_PCH_SLP_An, /* SLP_A# signal from PCH */ + GPIO_PCH_SLP_ME_CSW_DEVn, /* SLP_ME_CSW_DEV# signal from PCH */ + GPIO_PCH_SLP_S3n, /* SLP_S3# signal from PCH */ + GPIO_PCH_SLP_S4n, /* SLP_S4# signal from PCH */ + GPIO_PCH_SLP_S5n, /* SLP_S5# signal from PCH */ + GPIO_PCH_SLP_SUSn, /* SLP_SUS# signal from PCH */ + GPIO_PCH_SUSWARNn, /* SUSWARN# signal from PCH */ + GPIO_PGOOD_1_5V_DDR, /* Power good on +1.5V_DDR */ + GPIO_PGOOD_1_5V_PCH, /* Power good on +1.5V_PCH */ + GPIO_PGOOD_1_8VS, /* Power good on +1.8VS */ + GPIO_PGOOD_5VALW, /* Power good on +5VALW */ + GPIO_PGOOD_CPU_CORE, /* Power good on +CPU_CORE */ + GPIO_PGOOD_VCCP, /* Power good on +VCCP */ + GPIO_PGOOD_VCCSA, /* Power good on +VCCSA */ + GPIO_PGOOD_VGFX_CORE, /* Power good on +VGFX_CORE */ + GPIO_RECOVERYn, /* Recovery signal from servo */ + GPIO_USB1_STATUSn, /* USB charger port 1 status output */ + GPIO_USB2_STATUSn, /* USB charger port 2 status output */ + GPIO_WRITE_PROTECTn, /* Write protect input */ + /* Outputs */ + GPIO_CPU_PROCHOTn, /* Force CPU to think it's overheated */ + GPIO_DEBUG_LED, /* Debug LED */ + GPIO_ENABLE_1_5V_DDR, /* Enable +1.5V_DDR supply */ + GPIO_ENABLE_BACKLIGHT, /* Enable backlight power */ + GPIO_ENABLE_VCORE, /* Enable +CPU_CORE and +VGFX_CORE */ + GPIO_ENABLE_VS, /* Enable VS power supplies */ + GPIO_ENTERING_RW, /* Indicate when EC is entering RW code */ + GPIO_PCH_A20GATE, /* A20GATE signal to PCH */ + GPIO_PCH_DPWROK, /* DPWROK signal to PCH */ + GPIO_PCH_HDA_SDO, /* HDA_SDO signal to PCH; when high, ME + * ignores security descriptor */ + GPIO_PCH_LID_SWITCHn, /* Lid switch output to PCH */ + GPIO_PCH_NMIn, /* Non-maskable interrupt pin to PCH */ + GPIO_PCH_PWRBTNn, /* Power button output to PCH */ + GPIO_PCH_PWROK, /* PWROK / APWROK signals to PCH */ + GPIO_PCH_RCINn, /* RCIN# signal to PCH */ + GPIO_PCH_RSMRSTn, /* Reset PCH resume power plane logic */ + GPIO_PCH_SMIn, /* System management interrupt to PCH */ + GPIO_PCH_SUSACKn, /* Acknowledge PCH SUSWARN# signal */ + GPIO_SHUNT_1_5V_DDR, /* Shunt +1.5V_DDR; may also enable +3V_TP + * depending on stuffing. */ + GPIO_USB1_CTL1, /* USB charger port 1 CTL1 output */ + GPIO_USB1_CTL2, /* USB charger port 1 CTL2 output */ + GPIO_USB1_CTL3, /* USB charger port 1 CTL3 output */ + GPIO_USB1_ENABLE, /* USB charger port 1 enable */ + GPIO_USB1_ILIM_SEL, /* USB charger port 1 ILIM_SEL output */ + GPIO_USB2_CTL1, /* USB charger port 2 CTL1 output */ + GPIO_USB2_CTL2, /* USB charger port 2 CTL2 output */ + GPIO_USB2_CTL3, /* USB charger port 2 CTL3 output */ + GPIO_USB2_ENABLE, /* USB charger port 2 enable */ + GPIO_USB2_ILIM_SEL, /* USB charger port 2 ILIM_SEL output */ + /* Number of GPIOs; not an actual GPIO */ - EC_GPIO_COUNT + GPIO_COUNT }; |