| /* |
| * Copyright (c) 2021 Florin Stancu |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| / { |
| /** |
| * The CC1352P LAUNCHXL has an on-board antenna switch (SKY13317-373LF) used to select the |
| * appropriate RF signal port based on the currently-used PHY. |
| * |
| * Truth table: |
| * |
| * Path DIO28 DIO29 DIO30 |
| * =========== ===== ===== ===== |
| * Off 0 0 0 |
| * Sub-1 GHz 0 0 1 // DIO30 mux to IOC_PORT_RFC_GPO0 for auto |
| * 2.4 GHz 1 0 0 // DIO28 mux to IOC_PORT_RFC_GPO0 for auto |
| * 20 dBm TX 0 1 0 // DIO29 mux to IOC_PORT_RFC_GPO3 for auto |
| */ |
| antenna_mux0: antenna_mux0 { |
| compatible = "skyworks,sky13317"; |
| status = "okay"; |
| gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>, <&gpio0 29 GPIO_ACTIVE_HIGH>, \ |
| <&gpio0 30 GPIO_ACTIVE_HIGH>; |
| pinctrl-0 = <&board_ant_24g_off &board_ant_tx_pa_off &board_ant_subg_off>; |
| pinctrl-1 = <&board_ant_24g_on &board_ant_tx_pa_off &board_ant_subg_off>; |
| pinctrl-2 = <&board_ant_24g_on &board_ant_tx_pa_on &board_ant_subg_off>; |
| pinctrl-3 = <&board_ant_24g_off &board_ant_tx_pa_off &board_ant_subg_on>; |
| pinctrl-4 = <&board_ant_24g_off &board_ant_tx_pa_on &board_ant_subg_on>; |
| pinctrl-names = "default", "ant_24g", "ant_24g_pa", "ant_subg", "ant_subg_pa"; |
| }; |
| }; |
| |
| &pinctrl { |
| /* On-board antenna pinmux states */ |
| board_ant_24g_off: board_ant_24g_off { |
| pinmux = <28 IOC_PORT_GPIO>; |
| bias-disable; |
| }; |
| board_ant_24g_on: board_ant_24g_on { |
| pinmux = <28 IOC_PORT_RFC_GPO0>; |
| bias-disable; |
| }; |
| board_ant_tx_pa_off: board_ant_tx_pa_off { |
| pinmux = <29 IOC_PORT_GPIO>; |
| bias-disable; |
| }; |
| board_ant_tx_pa_on: board_ant_tx_pa_on { |
| pinmux = <29 IOC_PORT_RFC_GPO3>; |
| bias-disable; |
| }; |
| board_ant_subg_off: board_ant_subg_off { |
| pinmux = <30 IOC_PORT_GPIO>; |
| bias-disable; |
| }; |
| board_ant_subg_on: board_ant_subg_on { |
| pinmux = <30 IOC_PORT_RFC_GPO0>; |
| bias-disable; |
| }; |
| }; |
