diff options
| author | David Huang <david.huang@quanta.corp-partner.google.com> | 2023-02-23 14:25:50 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-03-22 05:04:34 +0000 |
| commit | 704068237c02438c1db3c63800630f57f093ec11 (patch) | |
| tree | dc7c6e710067052329dc62e5b82b6366836889e9 | |
| parent | 749d46afe328a8a00d86b3cde72267f748c53c37 (diff) | |
| download | chrome-ec-704068237c02438c1db3c63800630f57f093ec11.tar.gz | |
constitution: add pse function
Add pse function
BUG=b:267539938
BRANCH=None
TEST=make BOARD=constitution
Change-Id: Iec7434ed25c860823461a19ce24f140f3757342d
Signed-off-by: David Huang <david.huang@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4286389
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Boris Mittelberg <bmbm@google.com>
| -rw-r--r-- | board/constitution/board.c | 15 | ||||
| -rw-r--r-- | board/constitution/board.h | 5 | ||||
| -rw-r--r-- | board/constitution/gpio.inc | 7 | ||||
| -rw-r--r-- | board/constitution/i2c.c | 8 |
4 files changed, 35 insertions, 0 deletions
diff --git a/board/constitution/board.c b/board/constitution/board.c index 277d7ead4f..f955ca783d 100644 --- a/board/constitution/board.c +++ b/board/constitution/board.c @@ -19,6 +19,7 @@ #include "peripheral_charger.h" #include "power.h" #include "power_button.h" +#include "pse_ltc4291.h" #include "switch.h" #include "throttle_ap.h" #include "usbc_config.h" @@ -33,6 +34,20 @@ static void power_monitor(void); DECLARE_DEFERRED(power_monitor); +/* + * The LTC4291 is a power over ethernet (PoE) power sourcing equipment (PSE) + * controller. + * + * Port 1: 100W + * Port 2-4: 15W + */ +const int pse_port_hpmd[4] = { + LTC4291_HPMD_MAX, + LTC4291_HPMD_MIN, + LTC4291_HPMD_MIN, + LTC4291_HPMD_MIN, +}; + /******************************************************************************/ /* USB-A charging control */ diff --git a/board/constitution/board.h b/board/constitution/board.h index ce31073f06..2cf9f24c61 100644 --- a/board/constitution/board.h +++ b/board/constitution/board.h @@ -107,6 +107,8 @@ #define I2C_PORT_USB_C0_C2_MUX NPCX_I2C_PORT3_0 #define I2C_PORT_USB_C1_MUX NPCX_I2C_PORT6_1 +#define I2C_PORT_PSE NPCX_I2C_PORT5_0 + #define I2C_PORT_EEPROM NPCX_I2C_PORT7_0 #define I2C_PORT_MP2964 NPCX_I2C_PORT7_0 @@ -136,6 +138,9 @@ /* ADC */ #define CONFIG_ADC +/* PSE */ +#define CONFIG_PSE_LTC4291 + /* * TODO(b/197478860): Enable the fan control. We need * to check the sensor value and adjust the fan speed. diff --git a/board/constitution/gpio.inc b/board/constitution/gpio.inc index 3c8c69e04e..7e58ed9c2d 100644 --- a/board/constitution/gpio.inc +++ b/board/constitution/gpio.inc @@ -35,6 +35,10 @@ GPIO_INT(USB_A1_OC_ODL, PIN(3, 0), GPIO_INPUT | GPIO_PULL_UP | GPIO GPIO_INT(USB_A2_OC_ODL, PIN(2, 7), GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH, port_ocp_interrupt) GPIO_INT(USB_A3_OC_ODL, PIN(2, 6), GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH, port_ocp_interrupt) +/* PSE controller */ +GPIO(EC_PSE_PWM_INT, PIN(9, 6), GPIO_INPUT) +GPIO(EC_RST_LTC4291, PIN(9, 7), GPIO_OUT_HIGH) + /* CCD */ GPIO(CCD_MODE_ODL, PIN(E, 5), GPIO_INPUT) @@ -88,6 +92,8 @@ GPIO(HDMI_CEC_OUT, PIN(D, 3), GPIO_OUT_HIGH | GPIO_OPEN_DRAIN) GPIO(HDMI_CEC_PULL_UP, PIN(C, 2), GPIO_OUT_HIGH) /* I2C SCL/SDA */ +GPIO(EC_I2C_LTC_SCL, PIN(3, 3), GPIO_INPUT) +GPIO(EC_I2C_LTC_SDA, PIN(3, 6), GPIO_INPUT) GPIO(EC_I2C_MISC_SCL_R, PIN(B, 3), GPIO_INPUT) GPIO(EC_I2C_MISC_SDA_R, PIN(B, 2), GPIO_INPUT) GPIO(EC_I2C_DP_SCL, PIN(B, 5), GPIO_INPUT) @@ -142,6 +148,7 @@ IOEX(USB_C2_FRS_EN, EXPIN(IOEX_C2_NCT38XX, 0, 6), GPIO_LOW) ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* GPIO64/CR_SIN1, GPO65/CR_SOUT1/FLPRG1_L */ /* I2C alternate functions */ +ALTERNATE(PIN_MASK(3, 0x48), 0, MODULE_I2C, 0) /* GPIO33/I2C5_SCL0/CTS_L, GPIO36/RTS_L/I2C5_SDA0 */ ALTERNATE(PIN_MASK(8, 0x80), 0, MODULE_I2C, 0) /* GPIO87/I2C1_SDA0 */ ALTERNATE(PIN_MASK(9, 0x07), 0, MODULE_I2C, 0) /* GPIO92/I2C2_SCL0, GPIO91/I2C2_SDA0, GPIO90/I2C1_SCL0 */ ALTERNATE(PIN_MASK(B, 0x0c), 0, MODULE_I2C, 0) /* GPIOB3/I2C7_SCL0/DCD_L, GPIOB2/I2C7_SDA0/DSR_L */ diff --git a/board/constitution/i2c.c b/board/constitution/i2c.c index 7147dbf290..436f84a44a 100644 --- a/board/constitution/i2c.c +++ b/board/constitution/i2c.c @@ -50,6 +50,14 @@ const struct i2c_port_t i2c_ports[] = { .sda = GPIO_EC_I2C_USB_C1_TCPC_SDA, }, { + /* I2C5 */ + .name = "pse", + .port = I2C_PORT_PSE, + .kbps = 400, + .scl = GPIO_EC_I2C_LTC_SCL, + .sda = GPIO_EC_I2C_LTC_SDA, + }, + { /* I2C6 */ .name = "ppc1", .port = I2C_PORT_USB_C1_PPC, |