diff options
Diffstat (limited to 'target/linux/ath79/files/include/mfd')
| -rw-r--r-- | target/linux/ath79/files/include/mfd/rb4xx-cpld.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/ath79/files/include/mfd/rb4xx-cpld.h b/target/linux/ath79/files/include/mfd/rb4xx-cpld.h new file mode 100644 index 0000000000..d73617bfb1 --- /dev/null +++ b/target/linux/ath79/files/include/mfd/rb4xx-cpld.h @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * CPLD driver for the MikroTik RouterBoard 4xx series + * + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * Copyright (C) 2015 Bert Vermeulen <bert@biot.com> + * Copyright (C) 2020 Christopher Hill <ch6574@gmail.com> + * + * This file was based on the driver for Linux 2.6.22 published by + * MikroTik for their RouterBoard 4xx series devices. + */ +#include <linux/spi/spi.h> + +struct rb4xx_cpld { + struct spi_device *spi; + + int (*write_nand)(struct rb4xx_cpld *self, const void *tx_buf, + unsigned int len); + int (*read_nand)(struct rb4xx_cpld *self, void *rx_buf, + unsigned int len); + + int (*gpio_set_0_7)(struct rb4xx_cpld *self, u8 values); + int (*gpio_set_8)(struct rb4xx_cpld *self, u8 value); +}; |