lkml.org 
[lkml]   [2022]   [Oct]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 2/2] dmaengine: JZ4780: Add support for the JZ4755.
Hi Siarhei,

Le dim., oct. 16 2022 at 18:12:56 +0300, Siarhei Volkau
<lis8215@gmail.com> a écrit :
> The JZ4755 has 4 DMA channels per DMA unit, two idential DMA units.
>
> The JZ4755 has the similar DMA engine to JZ4725b, so I assume it has
> the
> same bug as JZ4725b, see commit a40c94be2336.
>
> Signed-off-by: Siarhei Volkau <lis8215@gmail.com>

Reviewed-by: Paul Cercueil <paul@crapouillou.net>

Cheers,
-Paul

> ---
> drivers/dma/dma-jz4780.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
> index 2a483802d..9c1a6e9a9 100644
> --- a/drivers/dma/dma-jz4780.c
> +++ b/drivers/dma/dma-jz4780.c
> @@ -1038,6 +1038,13 @@ static const struct jz4780_dma_soc_data
> jz4725b_dma_soc_data = {
> JZ_SOC_DATA_BREAK_LINKS,
> };
>
> +static const struct jz4780_dma_soc_data jz4755_dma_soc_data = {
> + .nb_channels = 4,
> + .transfer_ord_max = 5,
> + .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC |
> + JZ_SOC_DATA_BREAK_LINKS,
> +};
> +
> static const struct jz4780_dma_soc_data jz4760_dma_soc_data = {
> .nb_channels = 5,
> .transfer_ord_max = 6,
> @@ -1101,6 +1108,7 @@ static const struct jz4780_dma_soc_data
> x1830_dma_soc_data = {
> static const struct of_device_id jz4780_dma_dt_match[] = {
> { .compatible = "ingenic,jz4740-dma", .data = &jz4740_dma_soc_data
> },
> { .compatible = "ingenic,jz4725b-dma", .data =
> &jz4725b_dma_soc_data },
> + { .compatible = "ingenic,jz4755-dma", .data = &jz4755_dma_soc_data
> },
> { .compatible = "ingenic,jz4760-dma", .data = &jz4760_dma_soc_data
> },
> { .compatible = "ingenic,jz4760-mdma", .data =
> &jz4760_mdma_soc_data },
> { .compatible = "ingenic,jz4760-bdma", .data =
> &jz4760_bdma_soc_data },
> --
> 2.36.1
>


\
 
 \ /
  Last update: 2022-10-18 15:20    [W:0.056 / U:0.840 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site