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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header4 *5 * Copyright 2022 Cirrus Logic, Inc.6 */7 8#ifndef DT_CS35L45_H9#define DT_CS35L45_H10 11/*12 * cirrus,asp-sdout-hiz-ctrl13 *14 * TX_HIZ_UNUSED: TX pin high-impedance during unused slots.15 * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled.16 */17#define CS35L45_ASP_TX_HIZ_UNUSED 0x118#define CS35L45_ASP_TX_HIZ_DISABLED 0x219 20/*21 * Optional GPIOX Sub-nodes:22 * The cs35l45 node can have up to three "cirrus,gpio-ctrlX" ('X' = [1,2,3])23 * sub-nodes for configuring the GPIO pins.24 *25 * - gpio-dir : GPIO pin direction. Valid only when 'gpio-ctrl'26 * is 1.27 * 0 = Output28 * 1 = Input (Default)29 *30 * - gpio-lvl : GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0.31 *32 * 0 = Low (Default)33 * 1 = High34 *35 * - gpio-op-cfg : GPIO output configuration. Valid only when 'gpio-ctrl' is 136 * and 'gpio-dir' is 0.37 *38 * 0 = CMOS (Default)39 * 1 = Open Drain40 *41 * - gpio-pol : GPIO output polarity select. Valid only when 'gpio-ctrl' is 142 * and 'gpio-dir' is 0.43 *44 * 0 = Non-inverted, Active High (Default)45 * 1 = Inverted, Active Low46 *47 * - gpio-invert : Defines the polarity of the GPIO pin if configured48 * as input.49 *50 * 0 = Not inverted (Default)51 * 1 = Inverted52 *53 * - gpio-ctrl : Defines the function of the GPIO pin.54 *55 * GPIO1:56 * 0 = High impedance input (Default)57 * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir'58 * 2 = Pin acts as MDSYNC, direction controlled by MDSYNC59 * 3-7 = Reserved60 *61 * GPIO2:62 * 0 = High impedance input (Default)63 * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir'64 * 2 = Pin acts as open drain INT65 * 3 = Reserved66 * 4 = Pin acts as push-pull output INT. Active low.67 * 5 = Pin acts as push-pull output INT. Active high.68 * 6,7 = Reserved69 *70 * GPIO3:71 * 0 = High impedance input (Default)72 * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir'73 * 2-7 = Reserved74 */75#define CS35L45_NUM_GPIOS 0x376 77#endif /* DT_CS35L45_H */78