Commit ceb434d5 authored by Vaishnav Achath's avatar Vaishnav Achath Committed by Vinod Koul
Browse files

dmaengine: ti: k3-udma: Add support for J721S2 CSI BCDMA instance 



J721S2 has dedicated BCDMA instance for Camera Serial Interface RX
and TX. The BCDMA instance supports RX and TX channels but block copy
channels are not present, add support for the same.

Signed-off-by: default avatarVaishnav Achath <vaishnav.a@ti.com>
Link: https://lore.kernel.org/r/20230505143929.28131-3-vaishnav.a@ti.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 6de80a0c

drivers/dma/ti/k3-udma.c

+25 −0
Original line number Diff line number Diff line
@@ -4308,6 +4308,15 @@ static struct udma_soc_data am62a_dmss_csi_soc_data = { 
	},

};



static struct udma_soc_data j721s2_bcdma_csi_soc_data = {

	.oes = {

		.bcdma_tchan_data = 0x800,

		.bcdma_tchan_ring = 0xa00,

		.bcdma_rchan_data = 0xe00,

		.bcdma_rchan_ring = 0x1000,

	},

};



static struct udma_match_data am62a_bcdma_csirx_data = {

	.type = DMA_TYPE_BCDMA,

	.psil_base = 0x3100,
@@ -4346,6 +4355,18 @@ static struct udma_match_data am64_pktdma_data = { 
	},

};



static struct udma_match_data j721s2_bcdma_csi_data = {

	.type = DMA_TYPE_BCDMA,

	.psil_base = 0x2000,

	.enable_memcpy_support = false,

	.burst_size = {

		TI_SCI_RM_UDMAP_CHAN_BURST_SIZE_64_BYTES, /* Normal Channels */

		0, /* No H Channels */

		0, /* No UH Channels */

	},

	.soc_data = &j721s2_bcdma_csi_soc_data,

};



static const struct of_device_id udma_of_match[] = {

	{

		.compatible = "ti,am654-navss-main-udmap",
@@ -4373,6 +4394,10 @@ static const struct of_device_id udma_of_match[] = { 
		.compatible = "ti,am62a-dmss-bcdma-csirx",

		.data = &am62a_bcdma_csirx_data,

	},

	{

		.compatible = "ti,j721s2-dmss-bcdma-csi",

		.data = &j721s2_bcdma_csi_data,

	},

	{ /* Sentinel */ },

};