diff options
Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index b7ef33f63392..378b206d2dc9 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PCA953x 4/8/16/24/40 bit I/O ports * @@ -5,10 +6,6 @@ * Copyright (C) 2007 Marvell International Ltd. * * Derived from drivers/i2c/chips/pca9539.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/acpi.h> @@ -308,7 +305,8 @@ static const struct regmap_config pca953x_i2c_regmap = { .volatile_reg = pca953x_volatile_register, .cache_type = REGCACHE_RBTREE, - .max_register = 0x7f, + /* REVISIT: should be 0x7f but some 24 bit chips use REG_ADDR_AI */ + .max_register = 0xff, }; static u8 pca953x_recalc_addr(struct pca953x_chip *chip, int reg, int off, @@ -1180,6 +1178,7 @@ static const struct of_device_id pca953x_dt_ids[] = { { .compatible = "ti,tca6408", .data = OF_953X( 8, PCA_INT), }, { .compatible = "ti,tca6416", .data = OF_953X(16, PCA_INT), }, { .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), }, + { .compatible = "ti,tca9539", .data = OF_953X(16, PCA_INT), }, { .compatible = "onnn,cat9554", .data = OF_953X( 8, PCA_INT), }, { .compatible = "onnn,pca9654", .data = OF_953X( 8, PCA_INT), }, |