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charset="utf-8" Add compatible and chip data to support GPCDMA in Tegra264, which has differences in register layout and address bits compared to previous versions. Signed-off-by: Akhil R Reviewed-by: Frank Li --- drivers/dma/tegra186-gpc-dma.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c index 3b377f34be58..c2f32604e7fb 100644 --- a/drivers/dma/tegra186-gpc-dma.c +++ b/drivers/dma/tegra186-gpc-dma.c @@ -1319,6 +1319,23 @@ static const struct tegra_dma_channel_regs tegra186_= reg_offsets =3D { .fixed_pattern =3D 0x34, }; =20 +static const struct tegra_dma_channel_regs tegra264_reg_offsets =3D { + .csr =3D 0x0, + .status =3D 0x4, + .csre =3D 0x8, + .src =3D 0xc, + .dst =3D 0x10, + .src_high =3D 0x14, + .dst_high =3D 0x18, + .mc_seq =3D 0x1c, + .mmio_seq =3D 0x20, + .wcount =3D 0x24, + .wxfer =3D 0x28, + .wstatus =3D 0x2c, + .err_status =3D 0x34, + .fixed_pattern =3D 0x38, +}; + static const struct tegra_dma_chip_data tegra186_dma_chip_data =3D { .nr_channels =3D 32, .addr_bits =3D 39, @@ -1349,6 +1366,16 @@ static const struct tegra_dma_chip_data tegra234_dma= _chip_data =3D { .terminate =3D tegra_dma_pause_noerr, }; =20 +static const struct tegra_dma_chip_data tegra264_dma_chip_data =3D { + .nr_channels =3D 32, + .addr_bits =3D 41, + .channel_reg_size =3D SZ_64K, + .max_dma_count =3D SZ_1G, + .hw_support_pause =3D true, + .channel_regs =3D &tegra264_reg_offsets, + .terminate =3D tegra_dma_pause_noerr, +}; + static const struct of_device_id tegra_dma_of_match[] =3D { { .compatible =3D "nvidia,tegra186-gpcdma", @@ -1359,6 +1386,9 @@ static const struct of_device_id tegra_dma_of_match[]= =3D { }, { .compatible =3D "nvidia,tegra234-gpcdma", .data =3D &tegra234_dma_chip_data, + }, { + .compatible =3D "nvidia,tegra264-gpcdma", + .data =3D &tegra264_dma_chip_data, }, { }, }; --=20 2.50.1