diff options
Diffstat (limited to 'zephyr/shim/src')
-rw-r--r-- | zephyr/shim/src/CMakeLists.txt | 2 | ||||
-rw-r--r-- | zephyr/shim/src/tcpc_nct38xx.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/zephyr/shim/src/CMakeLists.txt b/zephyr/shim/src/CMakeLists.txt index 0c795f6b9b..fe9a5a015d 100644 --- a/zephyr/shim/src/CMakeLists.txt +++ b/zephyr/shim/src/CMakeLists.txt @@ -53,3 +53,5 @@ zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_WATCHDOG watchdog.c) zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_BC12_DETECT_PI3USB9201 bc12_pi3usb9201.c) zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_USBC_PPC ppc.c) +zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_USB_PD_TCPM_NCT38XX + tcpc_nct38xx.c) diff --git a/zephyr/shim/src/tcpc_nct38xx.c b/zephyr/shim/src/tcpc_nct38xx.c new file mode 100644 index 0000000000..d18e4ccbbe --- /dev/null +++ b/zephyr/shim/src/tcpc_nct38xx.c @@ -0,0 +1,31 @@ +/* Copyright 2021 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. + */ + +#include <device.h> +#include <devicetree.h> + +#include "config.h" +#include "usbc/tcpc_nct38xx.h" + +#define TCPC_PORT(id) DT_REG_ADDR(DT_PARENT(id)) + +#define GPIO_DEV_WITH_COMMA(id) DEVICE_DT_GET(DT_PHANDLE(id, gpio_dev)), + +#define GPIO_DEV_BINDING(id) \ + COND_CODE_1(DT_NODE_HAS_PROP(id, gpio_dev), \ + ([TCPC_PORT(id)] = GPIO_DEV_WITH_COMMA(id)), ()) + +/* NCT38XX GPIO device pool for binding the TCPC port and NCT38XX GPIO device */ +static const struct device + *nct38xx_gpio_devices[CONFIG_PLATFORM_EC_USB_PD_PORT_MAX_COUNT] = { + DT_FOREACH_STATUS_OKAY(nuvoton_nct38xx, GPIO_DEV_BINDING) + }; + +const struct device *nct38xx_get_gpio_device_from_port(const int port) +{ + if (port < 0 || port >= CONFIG_PLATFORM_EC_USB_PD_PORT_MAX_COUNT) + return NULL; + return nct38xx_gpio_devices[port]; +} |