volteer: Support board-specific TCPC config

Separate tcpc_config from volteer baseboard to each
project board.

To meet different configurations on each board.

BUG=b:153705222
BRANCH=none
TEST=make buildall

Change-Id: Iea59518123a542ebe38be195eaf71b4a8f796550
Signed-off-by: Samsp_Liu <Samsp_Liu@compal.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2342183
Tested-by: SamSP Liu <samsp_liu@compal.corp-partner.google.com>
Commit-Queue: Keith Short <keithshort@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>

2 files changed, 134 insertions, 1 deletions

diff --git a/board/trondo/board.c b/board/trondo/board.c
index 3570d34cec..06805a46fe 100644
--- a/board/trondo/board.c
+++ b/board/trondo/board.c
@@ -4,7 +4,7 @@
  */
 
 /* Volteer board-specific configuration */
-
+#include "bb_retimer.h"
 #include "button.h"
 #include "common.h"
 #include "accelgyro.h"
@@ -12,8 +12,11 @@
 #include "driver/accel_bma2x2.h"
 #include "driver/accelgyro_bmi260.h"
 #include "driver/als_tcs3400.h"
+#include "driver/bc12/pi3usb9201.h"
 #include "driver/ppc/sn5s330.h"
 #include "driver/ppc/syv682x.h"
+#include "driver/tcpm/tcpci.h"
+#include "driver/tcpm/tusb422.h"
 #include "driver/retimer/bb_retimer.h"
 #include "driver/sync.h"
 #include "extpower.h"
@@ -32,7 +35,10 @@
 #include "tablet_mode.h"
 #include "throttle_ap.h"
 #include "uart.h"
+#include "usb_mux.h"
+#include "usb_pd.h"
 #include "usb_pd_tbt.h"
+#include "usb_pd_tcpm.h"
 #include "usbc_ppc.h"
 #include "util.h"
 
@@ -257,3 +263,121 @@ void ppc_interrupt(enum gpio_signal signal)
 	}
 }
 
+/******************************************************************************/
+/* BC1.2 charger detect configuration */
+const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = {
+	[USBC_PORT_C0] = {
+		.i2c_port = I2C_PORT_USB_C0,
+		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
+	},
+	[USBC_PORT_C1] = {
+		.i2c_port = I2C_PORT_USB_C1,
+		.i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT);
+
+/******************************************************************************/
+/* USBC TCPC configuration */
+struct tcpc_config_t tcpc_config[] = {
+	[USBC_PORT_C0] = {
+		.bus_type = EC_BUS_TYPE_I2C,
+		.i2c_info = {
+			.port = I2C_PORT_USB_C0,
+			.addr_flags = TUSB422_I2C_ADDR_FLAGS,
+		},
+		.drv = &tusb422_tcpm_drv,
+		.usb23 = USBC_PORT_0_USB2_NUM | (USBC_PORT_0_USB3_NUM << 4),
+	},
+	[USBC_PORT_C1] = {
+		.bus_type = EC_BUS_TYPE_I2C,
+		.i2c_info = {
+			.port = I2C_PORT_USB_C1,
+			.addr_flags = TUSB422_I2C_ADDR_FLAGS,
+		},
+		.drv = &tusb422_tcpm_drv,
+		.usb23 = USBC_PORT_1_USB2_NUM | (USBC_PORT_1_USB3_NUM << 4),
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT);
+BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT);
+
+/******************************************************************************/
+/* USBC mux configuration - Tiger Lake includes internal mux */
+struct usb_mux usbc1_usb4_db_retimer = {
+	.usb_port = USBC_PORT_C1,
+	.driver = &bb_usb_retimer,
+	.i2c_port = I2C_PORT_USB_1_MIX,
+	.i2c_addr_flags = USBC_PORT_C1_BB_RETIMER_I2C_ADDR,
+};
+struct usb_mux usb_muxes[] = {
+	[USBC_PORT_C0] = {
+		.usb_port = USBC_PORT_C0,
+		.driver = &virtual_usb_mux_driver,
+		.hpd_update = &virtual_hpd_update,
+	},
+	[USBC_PORT_C1] = {
+		.usb_port = USBC_PORT_C1,
+		.driver = &virtual_usb_mux_driver,
+		.hpd_update = &virtual_hpd_update,
+		.next_mux = &usbc1_usb4_db_retimer,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
+
+struct bb_usb_control bb_controls[] = {
+	[USBC_PORT_C0] = {
+		/* USB-C port 0 doesn't have a retimer */
+	},
+	[USBC_PORT_C1] = {
+		.usb_ls_en_gpio = GPIO_USB_C1_LS_EN,
+		.retimer_rst_gpio = GPIO_USB_C1_RT_RST_ODL,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(bb_controls) == USBC_PORT_COUNT);
+
+static void board_tcpc_init(void)
+{
+	/* Don't reset TCPCs after initial reset */
+	if (!system_jumped_late())
+		board_reset_pd_mcu();
+
+	/* Enable PPC interrupts. */
+	gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL);
+
+	/* Enable TCPC interrupts. */
+	gpio_enable_interrupt(GPIO_USB_C0_TCPC_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL);
+
+	/* Enable BC1.2 interrupts. */
+	gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL);
+	gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_ODL);
+}
+DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_CHIPSET);
+
+/******************************************************************************/
+/* TCPC support routines */
+uint16_t tcpc_get_alert_status(void)
+{
+	uint16_t status = 0;
+
+	/*
+	 * Check which port has the ALERT line set
+	 */
+	if (!gpio_get_level(GPIO_USB_C0_TCPC_INT_ODL))
+		status |= PD_STATUS_TCPC_ALERT_0;
+	if (!gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL))
+		status |= PD_STATUS_TCPC_ALERT_1;
+
+	return status;
+}
+
+int ppc_get_alert_status(int port)
+{
+	if (port == USBC_PORT_C0)
+		return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0;
+	else
+		return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0;
+}
+
diff --git a/board/trondo/board.h b/board/trondo/board.h
index f4677d2f0c..c81bc1a5db 100644
--- a/board/trondo/board.h
+++ b/board/trondo/board.h
@@ -47,6 +47,8 @@
 	(BIT(LID_ACCEL) | BIT(CLEAR_ALS))
 
 /* USB Type C and USB PD defines */
+#define CONFIG_USB_PD_PORT_MAX_COUNT			2
+
 /*
  * USB-C port's USB2 & USB3 mapping from schematics
  * USB2 numbering on PCH - 1 to n
@@ -76,6 +78,7 @@
 
 /* Enabling USB4 mode */
 #define CONFIG_USB_PD_USB4
+#define USBC_PORT_C1_BB_RETIMER_I2C_ADDR	0x40
 
 /* USB Type A Features */
 
@@ -173,6 +176,12 @@ enum sensor_id {
 	SENSOR_COUNT,
 };
 
+enum usbc_port {
+	USBC_PORT_C0 = 0,
+	USBC_PORT_C1,
+	USBC_PORT_COUNT
+};
+
 void board_reset_pd_mcu(void);
 
 #endif /* !__ASSEMBLER__ */