vilboz: Split mux to dalboz and vilboz

BUG=b:158125500
BRANCH=none
TEST=make buildall -j

Signed-off-by: Lu Zhang <lu.zhang@bitland.corp-partner.google.com>
Change-Id: I0836daf254f1c1c1fb2d7fd45868b55517689cf9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2235236
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Peter Marheine <pmarheine@chromium.org>

2 files changed, 87 insertions, 0 deletions

diff --git a/board/vilboz/board.c b/board/vilboz/board.c
index b3f06498db..6c7a153c75 100644
--- a/board/vilboz/board.c
+++ b/board/vilboz/board.c
@@ -13,6 +13,7 @@
 #include "driver/ppc/aoz1380.h"
 #include "driver/ppc/nx20p348x.h"
 #include "driver/tcpm/nct38xx.h"
+#include "driver/usb_mux/amd_fp5.h"
 #include "driver/usb_mux/ps8740.h"
 #include "driver/usb_mux/ps8743.h"
 #include "extpower.h"
@@ -180,6 +181,70 @@ static int board_ps8743_mux_set(const struct usb_mux *me,
 	return ps8743_write(me, PS8743_REG_MODE, reg);
 }
 
+/*****************************************************************************
+ * USB-C
+ */
+
+/*
+ * USB C0 port SBU mux use standalone FSUSB42UMX
+ * chip and it need a board specific driver.
+ * Overall, it will use chained mux framework.
+ */
+static int fsusb42umx_set_mux(const struct usb_mux *me, mux_state_t mux_state)
+{
+	if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
+		ioex_set_level(IOEX_USB_C0_SBU_FLIP, 1);
+	else
+		ioex_set_level(IOEX_USB_C0_SBU_FLIP, 0);
+
+	return EC_SUCCESS;
+}
+
+/*
+ * .init is not necessary here because it has nothing
+ * to do. Primary mux will handle mux state so .get is
+ * not needed as well. usb_mux.c can handle the situation
+ * properly.
+ */
+const struct usb_mux_driver usbc0_sbu_mux_driver = {
+	.set = fsusb42umx_set_mux,
+};
+
+/*
+ * Since FSUSB42UMX is not a i2c device, .i2c_port and
+ * .i2c_addr_flags are not required here.
+ */
+const struct usb_mux usbc0_sbu_mux = {
+	.usb_port = USBC_PORT_C0,
+	.driver = &usbc0_sbu_mux_driver,
+};
+
+struct usb_mux usbc1_amd_fp5_usb_mux = {
+	.usb_port = USBC_PORT_C1,
+	.i2c_port = I2C_PORT_USB_AP_MUX,
+	.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
+	.driver = &amd_fp5_usb_mux_driver,
+	.flags = USB_MUX_FLAG_SET_WITHOUT_FLIP,
+};
+
+struct usb_mux usb_muxes[] = {
+	[USBC_PORT_C0] = {
+		.usb_port = USBC_PORT_C0,
+		.i2c_port = I2C_PORT_USB_AP_MUX,
+		.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
+		.driver = &amd_fp5_usb_mux_driver,
+		.next_mux = &usbc0_sbu_mux,
+	},
+	[USBC_PORT_C1] = {
+		.usb_port = USBC_PORT_C1,
+		.i2c_port = I2C_PORT_TCPC1,
+		.i2c_addr_flags = PS8743_I2C_ADDR1_FLAG,
+		.driver = &ps8743_usb_mux_driver,
+		.next_mux = &usbc1_amd_fp5_usb_mux,
+	}
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT);
+
 struct ppc_config_t ppc_chips[] = {
 	[USBC_PORT_C0] = {
 		/* Device does not talk I2C */
@@ -265,6 +330,22 @@ int board_set_active_charge_port(int port)
 	return EC_SUCCESS;
 }
 
+void board_overcurrent_event(int port, int is_overcurrented)
+{
+	switch (port) {
+	case USBC_PORT_C0:
+		ioex_set_level(IOEX_USB_C0_FAULT_ODL, !is_overcurrented);
+		break;
+
+	case USBC_PORT_C1:
+		ioex_set_level(IOEX_USB_C1_FAULT_ODL, !is_overcurrented);
+		break;
+
+	default:
+		break;
+	}
+}
+
 const struct tcpc_config_t tcpc_config[] = {
 	[USBC_PORT_C0] = {
 		.bus_type = EC_BUS_TYPE_I2C,
diff --git a/board/vilboz/board.h b/board/vilboz/board.h
index a4ebee6585..fa95f0bd0d 100644
--- a/board/vilboz/board.h
+++ b/board/vilboz/board.h
@@ -22,6 +22,12 @@
 
 #define CONFIG_MKBP_USE_GPIO
 
+#define CONFIG_USBC_PPC_NX20P3483
+#define CONFIG_USB_MUX_PS8740
+#define CONFIG_USB_MUX_PS8743
+
+#define CONFIG_USB_PD_PORT_MAX_COUNT 2
+
 /* Power  LEDs */
 #define CONFIG_LED_POWER_LED