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| author | Simon Glass <sjg@chromium.org> | 2016-05-05 07:28:12 -0600 |
|---|---|---|
| committer | Andreas Bießmann <andreas@biessmann.org> | 2016-06-12 23:49:38 +0200 |
| commit | 6f9678567a57c5c82620c35a05a2f89c32cdd34d (patch) | |
| tree | 4f0fbc50dfc42d33c9ebf7e1cc71ac37c82b8126 /include/dt-bindings/dma | |
| parent | f1dcc19b213df97127df9c6f4bec296ae2f91f38 (diff) | |
| download | u-boot-imx-6f9678567a57c5c82620c35a05a2f89c32cdd34d.zip u-boot-imx-6f9678567a57c5c82620c35a05a2f89c32cdd34d.tar.gz u-boot-imx-6f9678567a57c5c82620c35a05a2f89c32cdd34d.tar.bz2 | |
arm: at91: dts: Bring in device tree file for AT91SAM9G45
Add this file from Linux v4.5.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-on: smartweb, corvus, taurus, axm
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'include/dt-bindings/dma')
| -rw-r--r-- | include/dt-bindings/dma/at91.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/dt-bindings/dma/at91.h b/include/dt-bindings/dma/at91.h new file mode 100644 index 0000000..ab6cbba --- /dev/null +++ b/include/dt-bindings/dma/at91.h @@ -0,0 +1,52 @@ +/* + * This header provides macros for at91 dma bindings. + * + * Copyright (C) 2013 Ludovic Desroches <ludovic.desroches@atmel.com> + * + * GPLv2 only + */ + +#ifndef __DT_BINDINGS_AT91_DMA_H__ +#define __DT_BINDINGS_AT91_DMA_H__ + +/* ---------- HDMAC ---------- */ + +/* + * Source and/or destination peripheral ID + */ +#define AT91_DMA_CFG_PER_ID_MASK (0xff) +#define AT91_DMA_CFG_PER_ID(id) (id & AT91_DMA_CFG_PER_ID_MASK) + +/* + * FIFO configuration: it defines when a request is serviced. + */ +#define AT91_DMA_CFG_FIFOCFG_OFFSET (8) +#define AT91_DMA_CFG_FIFOCFG_MASK (0xf << AT91_DMA_CFG_FIFOCFG_OFFSET) +#define AT91_DMA_CFG_FIFOCFG_HALF (0x0 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* half FIFO (default behavior) */ +#define AT91_DMA_CFG_FIFOCFG_ALAP (0x1 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* largest defined AHB burst */ +#define AT91_DMA_CFG_FIFOCFG_ASAP (0x2 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* single AHB access */ + + +/* ---------- XDMAC ---------- */ +#define AT91_XDMAC_DT_MEM_IF_MASK (0x1) +#define AT91_XDMAC_DT_MEM_IF_OFFSET (13) +#define AT91_XDMAC_DT_MEM_IF(mem_if) (((mem_if) & AT91_XDMAC_DT_MEM_IF_MASK) \ + << AT91_XDMAC_DT_MEM_IF_OFFSET) +#define AT91_XDMAC_DT_GET_MEM_IF(cfg) (((cfg) >> AT91_XDMAC_DT_MEM_IF_OFFSET) \ + & AT91_XDMAC_DT_MEM_IF_MASK) + +#define AT91_XDMAC_DT_PER_IF_MASK (0x1) +#define AT91_XDMAC_DT_PER_IF_OFFSET (14) +#define AT91_XDMAC_DT_PER_IF(per_if) (((per_if) & AT91_XDMAC_DT_PER_IF_MASK) \ + << AT91_XDMAC_DT_PER_IF_OFFSET) +#define AT91_XDMAC_DT_GET_PER_IF(cfg) (((cfg) >> AT91_XDMAC_DT_PER_IF_OFFSET) \ + & AT91_XDMAC_DT_PER_IF_MASK) + +#define AT91_XDMAC_DT_PERID_MASK (0x7f) +#define AT91_XDMAC_DT_PERID_OFFSET (24) +#define AT91_XDMAC_DT_PERID(perid) (((perid) & AT91_XDMAC_DT_PERID_MASK) \ + << AT91_XDMAC_DT_PERID_OFFSET) +#define AT91_XDMAC_DT_GET_PERID(cfg) (((cfg) >> AT91_XDMAC_DT_PERID_OFFSET) \ + & AT91_XDMAC_DT_PERID_MASK) + +#endif /* __DT_BINDINGS_AT91_DMA_H__ */ |