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| author | Cédric Le Goater <clg@redhat.com> | 2024-03-25 14:48:32 +0100 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2024-03-25 15:05:38 +0100 |
| commit | 6328d8ffa6cb9d750e4bfcfd73ac25d3a39ceb63 (patch) | |
| tree | 07639dcded649a542df4da9750eb4514f65591ce /include/hw/gpio/pca9554_regs.h | |
| parent | 1967e9e06709c2b3de8b071d94da3856ba5b1ce6 (diff) | |
| download | focaccia-qemu-6328d8ffa6cb9d750e4bfcfd73ac25d3a39ceb63.tar.gz focaccia-qemu-6328d8ffa6cb9d750e4bfcfd73ac25d3a39ceb63.zip | |
misc/pca955*: Move models under hw/gpio
The PCA9552 and PCA9554 devices are both I2C GPIO controllers and the PCA9552 also can drive LEDs. Do all the necessary adjustments to move the models under hw/gpio. Cc: Glenn Miles <milesg@linux.vnet.ibm.com> Signed-off-by: Cédric Le Goater <clg@redhat.com> Message-ID: <20240325134833.1484265-1-clg@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'include/hw/gpio/pca9554_regs.h')
| -rw-r--r-- | include/hw/gpio/pca9554_regs.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/hw/gpio/pca9554_regs.h b/include/hw/gpio/pca9554_regs.h new file mode 100644 index 0000000000..602c4a90e0 --- /dev/null +++ b/include/hw/gpio/pca9554_regs.h @@ -0,0 +1,19 @@ +/* + * PCA9554 I/O port registers + * + * Copyright (c) 2023, IBM Corporation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef PCA9554_REGS_H +#define PCA9554_REGS_H + +/* + * Bits [0:1] are used to address a specific register. + */ +#define PCA9554_INPUT 0 /* read only input register */ +#define PCA9554_OUTPUT 1 /* read/write pin output state */ +#define PCA9554_POLARITY 2 /* Set polarity of input register */ +#define PCA9554_CONFIG 3 /* Set pins as inputs our ouputs */ + +#endif |