diff options
Diffstat (limited to 'zephyr/shim/include/usbc/tcpci_usb_mux.h')
| -rw-r--r-- | zephyr/shim/include/usbc/tcpci_usb_mux.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/zephyr/shim/include/usbc/tcpci_usb_mux.h b/zephyr/shim/include/usbc/tcpci_usb_mux.h new file mode 100644 index 0000000000..9fa29c7c85 --- /dev/null +++ b/zephyr/shim/include/usbc/tcpci_usb_mux.h @@ -0,0 +1,50 @@ +/* Copyright 2022 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef __ZEPHYR_SHIM_TCPCI_USB_MUX_H +#define __ZEPHYR_SHIM_TCPCI_USB_MUX_H + +#include "dt-bindings/usbc_mux.h" +#include "tcpm/ps8xxx_public.h" +#include "tcpm/tcpci.h" + +#define TCPCI_TCPM_USB_MUX_COMPAT cros_ec_usbc_mux_tcpci +#define PS8XXX_USB_MUX_COMPAT parade_usbc_mux_ps8xxx + +/** + * Add I2C configuration and USB_MUX_FLAG_NOT_TCPC to enforce it when + * mux_read()/mux_write() functions are used. + */ +#define USB_MUX_CONFIG_TCPCI_TCPM_WITH_I2C(mux_id, port_id, idx) \ + { \ + USB_MUX_COMMON_FIELDS_WITH_FLAGS(mux_id, port_id, idx, \ + USB_MUX_FLAG_NOT_TCPC, \ + USB_MUX_FLAG_NOT_TCPC),\ + .driver = &tcpci_tcpm_usb_mux_driver, \ + .hpd_update = USB_MUX_CALLBACK_OR_NULL(mux_id, \ + hpd_update), \ + .i2c_port = I2C_PORT(DT_PHANDLE(mux_id, port)), \ + .i2c_addr_flags = DT_PROP(mux_id, i2c_addr_flags), \ + } + +/** Use I2C configuration from TCPC */ +#define USB_MUX_CONFIG_TCPCI_TCPM_WO_I2C(mux_id, port_id, idx) \ + { \ + USB_MUX_COMMON_FIELDS(mux_id, port_id, idx), \ + .driver = &tcpci_tcpm_usb_mux_driver, \ + .hpd_update = USB_MUX_CALLBACK_OR_NULL(mux_id, \ + hpd_update), \ + } + +/** This macro will fail if only port or i2c_addr_flags property is present */ +#define USB_MUX_CONFIG_TCPCI_TCPM(mux_id, port_id, idx) \ + COND_CODE_1(UTIL_OR(DT_NODE_HAS_PROP(mux_id, port), \ + DT_NODE_HAS_PROP(mux_id, i2c_addr_flags)), \ + (USB_MUX_CONFIG_TCPCI_TCPM_WITH_I2C(mux_id, port_id,\ + idx)), \ + (USB_MUX_CONFIG_TCPCI_TCPM_WO_I2C(mux_id, port_id, \ + idx))) + +#endif /* __ZEPHYR_SHIM_TCPCI_USB_MUX_H */ |