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dmaengine: sh: rcar-dmac: Add support for R-Car Gen5 SoCs

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Gen5 is very similar to Gen4. Of interest here is that it has a SMMU
instead of an IPMMU, so there is no need to set the flag for a
workaround. Make the module description more generic while here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260909094009.2167-10-wsa+renesas@sang-engineering.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Wolfram Sang 2026-09-09 11:40:13 +02:00 committed by Vinod Koul
parent 8d4237d153
commit 1d8ae2003d
1 changed files with 9 additions and 1 deletions
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10
drivers/dma/sh/rcar-dmac.c
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@ -2013,6 +2013,11 @@ static const struct rcar_dmac_of_data rcar_gen4_dmac_data = {
.broken_ipmmu_microTLB0 = 1,
};
static const struct rcar_dmac_of_data rcar_gen5_dmac_data = {
.chan_offset_base = 0x0,
.chan_offset_stride = 0x1000,
};
static const struct of_device_id rcar_dmac_of_ids[] = {
{
.compatible = "renesas,rcar-dmac",
@ -2020,6 +2025,9 @@ static const struct of_device_id rcar_dmac_of_ids[] = {
}, {
.compatible = "renesas,rcar-gen4-dmac",
.data = &rcar_gen4_dmac_data,
}, {
.compatible = "renesas,rcar-gen5-dmac",
.data = &rcar_gen5_dmac_data,
}, {
/*
* Backward compatibility for between v5.12 - v5.19
@ -2045,6 +2053,6 @@ static struct platform_driver rcar_dmac_driver = {
module_platform_driver(rcar_dmac_driver);
MODULE_DESCRIPTION("R-Car Gen2 DMA Controller Driver");
MODULE_DESCRIPTION("R-Car DMA Controller Driver");
MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
MODULE_LICENSE("GPL v2");