[PATCH v2 8/9] dmaengine: tegra: Add Tegra264 support

[Akhil R <akhilrajeev@nvidia.com>]

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 <akhilrajeev@nvidia.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/dma/tegra186-gpc-dma.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c
index 9af509ecf495..d6e0dbc19e8a 100644
--- a/drivers/dma/tegra186-gpc-dma.c
+++ b/drivers/dma/tegra186-gpc-dma.c
@@ -1329,6 +1329,25 @@ static const struct tegra_dma_channel_regs tegra186_reg_offsets = {
 	.spare = 0x40,
 };
 
+static const struct tegra_dma_channel_regs tegra264_reg_offsets = {
+	.csr = 0x0,
+	.status = 0x4,
+	.csre = 0x8,
+	.src = 0xc,
+	.dst = 0x10,
+	.src_high = 0x14,
+	.dst_high = 0x18,
+	.mc_seq = 0x1c,
+	.mmio_seq = 0x20,
+	.wcount = 0x24,
+	.wxfer = 0x28,
+	.wstatus = 0x2c,
+	.err_status = 0x34,
+	.fixed_pattern = 0x38,
+	.tz = 0x3c,
+	.spare = 0x44,
+};
+
 static const struct tegra_dma_chip_data tegra186_dma_chip_data = {
 	.nr_channels = 32,
 	.addr_bits = 39,
@@ -1359,6 +1378,16 @@ static const struct tegra_dma_chip_data tegra234_dma_chip_data = {
 	.terminate = tegra_dma_pause_noerr,
 };
 
+static const struct tegra_dma_chip_data tegra264_dma_chip_data = {
+	.nr_channels = 32,
+	.addr_bits = 41,
+	.channel_reg_size = SZ_64K,
+	.max_dma_count = SZ_1G,
+	.hw_support_pause = true,
+	.channel_regs = &tegra264_reg_offsets,
+	.terminate = tegra_dma_pause_noerr,
+};
+
 static const struct of_device_id tegra_dma_of_match[] = {
 	{
 		.compatible = "nvidia,tegra186-gpcdma",
@@ -1369,6 +1398,9 @@ static const struct of_device_id tegra_dma_of_match[] = {
 	}, {
 		.compatible = "nvidia,tegra234-gpcdma",
 		.data = &tegra234_dma_chip_data,
+	}, {
+		.compatible = "nvidia,tegra264-gpcdma",
+		.data = &tegra264_dma_chip_data,
 	}, {
 	},
 };
-- 
2.50.1