diff options
Diffstat (limited to 'include/linux/amba/pl022.h')
| -rw-r--r-- | include/linux/amba/pl022.h | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h index 131b27c97209..d7b07d0311e1 100644 --- a/include/linux/amba/pl022.h +++ b/include/linux/amba/pl022.h @@ -16,6 +16,7 @@ #ifndef _SSP_PL022_H #define _SSP_PL022_H +#include <linux/dmaengine.h> #include <linux/types.h> /** @@ -223,11 +224,8 @@ struct dma_chan; /** * struct pl022_ssp_master - device.platform_data for SPI controller devices. * @bus_id: identifier for this bus - * @num_chipselect: chipselects are used to distinguish individual - * SPI slaves, and are numbered from zero to num_chipselects - 1. - * each slave has a chipselect signal, but it's common that not - * every chipselect is connected to a slave. * @enable_dma: if true enables DMA driven transfers. + * @dma_filter: callback filter for dma_request_channel. * @dma_rx_param: parameter to locate an RX DMA channel. * @dma_tx_param: parameter to locate a TX DMA channel. * @autosuspend_delay: delay in ms following transfer completion before the @@ -235,18 +233,15 @@ struct dma_chan; * indicates no delay and the device will be suspended immediately. * @rt: indicates the controller should run the message pump with realtime * priority to minimise the transfer latency on the bus. - * @chipselects: list of <num_chipselects> chip select gpios */ struct pl022_ssp_controller { u16 bus_id; - u8 num_chipselect; u8 enable_dma:1; - bool (*dma_filter)(struct dma_chan *chan, void *filter_param); + dma_filter_fn dma_filter; void *dma_rx_param; void *dma_tx_param; int autosuspend_delay; bool rt; - int *chipselects; }; /** @@ -265,8 +260,6 @@ struct pl022_ssp_controller { * @duplex: Microwire interface: Full/Half duplex * @clkdelay: on the PL023 variant, the delay in feeback clock cycles * before sampling the incoming line - * @cs_control: function pointer to board-specific function to - * assert/deassert I/O port to control HW generation of devices chip-select. */ struct pl022_config_chip { enum ssp_interface iface; @@ -280,7 +273,6 @@ struct pl022_config_chip { enum ssp_microwire_wait_state wait_state; enum ssp_duplex duplex; enum ssp_clkdelay clkdelay; - void (*cs_control) (u32 control); }; #endif /* _SSP_PL022_H */ |