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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/dt-bindings/sound/cs35l45.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/dt-bindings/sound/cs35l45.h')
-rw-r--r-- | include/dt-bindings/sound/cs35l45.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/dt-bindings/sound/cs35l45.h b/include/dt-bindings/sound/cs35l45.h new file mode 100644 index 0000000000..25386af184 --- /dev/null +++ b/include/dt-bindings/sound/cs35l45.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header + * + * Copyright 2022 Cirrus Logic, Inc. + */ + +#ifndef DT_CS35L45_H +#define DT_CS35L45_H + +/* + * cirrus,asp-sdout-hiz-ctrl + * + * TX_HIZ_UNUSED: TX pin high-impedance during unused slots. + * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled. + */ +#define CS35L45_ASP_TX_HIZ_UNUSED 0x1 +#define CS35L45_ASP_TX_HIZ_DISABLED 0x2 + +/* + * Optional GPIOX Sub-nodes: + * The cs35l45 node can have up to three "cirrus,gpio-ctrlX" ('X' = [1,2,3]) + * sub-nodes for configuring the GPIO pins. + * + * - gpio-dir : GPIO pin direction. Valid only when 'gpio-ctrl' + * is 1. + * 0 = Output + * 1 = Input (Default) + * + * - gpio-lvl : GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0. + * + * 0 = Low (Default) + * 1 = High + * + * - gpio-op-cfg : GPIO output configuration. Valid only when 'gpio-ctrl' is 1 + * and 'gpio-dir' is 0. + * + * 0 = CMOS (Default) + * 1 = Open Drain + * + * - gpio-pol : GPIO output polarity select. Valid only when 'gpio-ctrl' is 1 + * and 'gpio-dir' is 0. + * + * 0 = Non-inverted, Active High (Default) + * 1 = Inverted, Active Low + * + * - gpio-invert : Defines the polarity of the GPIO pin if configured + * as input. + * + * 0 = Not inverted (Default) + * 1 = Inverted + * + * - gpio-ctrl : Defines the function of the GPIO pin. + * + * GPIO1: + * 0 = High impedance input (Default) + * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + * 2 = Pin acts as MDSYNC, direction controlled by MDSYNC + * 3-7 = Reserved + * + * GPIO2: + * 0 = High impedance input (Default) + * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + * 2 = Pin acts as open drain INT + * 3 = Reserved + * 4 = Pin acts as push-pull output INT. Active low. + * 5 = Pin acts as push-pull output INT. Active high. + * 6,7 = Reserved + * + * GPIO3: + * 0 = High impedance input (Default) + * 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + * 2-7 = Reserved + */ +#define CS35L45_NUM_GPIOS 0x3 + +#endif /* DT_CS35L45_H */ |