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ARM: shmobile: r8a7778: add SSIx DMAEngine support
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Kuninori Morimoto authored and Simon Horman committed Dec 11, 2013
1 parent fee05eb commit a91be22
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18 changes: 18 additions & 0 deletions arch/arm/mach-shmobile/include/mach/r8a7778.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,24 @@ enum {
HPBDMA_SLAVE_DUMMY,
HPBDMA_SLAVE_SDHI0_TX,
HPBDMA_SLAVE_SDHI0_RX,
HPBDMA_SLAVE_SSI0_TX,
HPBDMA_SLAVE_SSI0_RX,
HPBDMA_SLAVE_SSI1_TX,
HPBDMA_SLAVE_SSI1_RX,
HPBDMA_SLAVE_SSI2_TX,
HPBDMA_SLAVE_SSI2_RX,
HPBDMA_SLAVE_SSI3_TX,
HPBDMA_SLAVE_SSI3_RX,
HPBDMA_SLAVE_SSI4_TX,
HPBDMA_SLAVE_SSI4_RX,
HPBDMA_SLAVE_SSI5_TX,
HPBDMA_SLAVE_SSI5_RX,
HPBDMA_SLAVE_SSI6_TX,
HPBDMA_SLAVE_SSI6_RX,
HPBDMA_SLAVE_SSI7_TX,
HPBDMA_SLAVE_SSI7_RX,
HPBDMA_SLAVE_SSI8_TX,
HPBDMA_SLAVE_SSI8_RX,
HPBDMA_SLAVE_HPBIF0_TX,
HPBDMA_SLAVE_HPBIF0_RX,
HPBDMA_SLAVE_HPBIF1_TX,
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51 changes: 51 additions & 0 deletions arch/arm/mach-shmobile/setup-r8a7778.c
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Original file line number Diff line number Diff line change
Expand Up @@ -319,6 +319,29 @@ void __init r8a7778_add_dt_devices(void)
#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */

#define HPBDMA_SSI(_id) \
{ \
.id = HPBDMA_SLAVE_SSI## _id ##_TX, \
.addr = 0xffd91008 + (_id * 0x40), \
.dcr = HPB_DMAE_DCR_CT | \
HPB_DMAE_DCR_DIP | \
HPB_DMAE_DCR_SPDS_32BIT | \
HPB_DMAE_DCR_DMDL | \
HPB_DMAE_DCR_DPDS_32BIT, \
.port = _id + (_id << 8), \
.dma_ch = (28 + _id), \
}, { \
.id = HPBDMA_SLAVE_SSI## _id ##_RX, \
.addr = 0xffd9100c + (_id * 0x40), \
.dcr = HPB_DMAE_DCR_CT | \
HPB_DMAE_DCR_DIP | \
HPB_DMAE_DCR_SMDL | \
HPB_DMAE_DCR_SPDS_32BIT | \
HPB_DMAE_DCR_DPDS_32BIT, \
.port = _id + (_id << 8), \
.dma_ch = (28 + _id), \
}

#define HPBDMA_HPBIF(_id) \
{ \
.id = HPBDMA_SLAVE_HPBIF## _id ##_TX, \
Expand Down Expand Up @@ -373,6 +396,16 @@ static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
.dma_ch = 22,
},

HPBDMA_SSI(0),
HPBDMA_SSI(1),
HPBDMA_SSI(2),
HPBDMA_SSI(3),
HPBDMA_SSI(4),
HPBDMA_SSI(5),
HPBDMA_SSI(6),
HPBDMA_SSI(7),
HPBDMA_SSI(8),

HPBDMA_HPBIF(0),
HPBDMA_HPBIF(1),
HPBDMA_HPBIF(2),
Expand All @@ -387,22 +420,40 @@ static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
static const struct hpb_dmae_channel hpb_dmae_channels[] = {
HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */
HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI0_TX), /* ch. 28 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI0_RX), /* ch. 28 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_TX), /* ch. 28 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_RX), /* ch. 28 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI1_TX), /* ch. 29 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI1_RX), /* ch. 29 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_TX), /* ch. 29 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_RX), /* ch. 29 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI2_TX), /* ch. 30 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI2_RX), /* ch. 30 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_TX), /* ch. 30 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_RX), /* ch. 30 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI3_TX), /* ch. 31 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI3_RX), /* ch. 31 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_TX), /* ch. 31 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_RX), /* ch. 31 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI4_TX), /* ch. 32 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI4_RX), /* ch. 32 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_TX), /* ch. 32 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_RX), /* ch. 32 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI5_TX), /* ch. 33 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI5_RX), /* ch. 33 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_TX), /* ch. 33 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_RX), /* ch. 33 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI6_TX), /* ch. 34 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI6_RX), /* ch. 34 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_TX), /* ch. 34 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_RX), /* ch. 34 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI7_TX), /* ch. 35 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI7_RX), /* ch. 35 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_TX), /* ch. 35 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_RX), /* ch. 35 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI8_TX), /* ch. 36 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI8_RX), /* ch. 36 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_TX), /* ch. 36 */
HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_RX), /* ch. 36 */
};
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