From: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
To: Paul Cercueil <paul@crapouillou.net>
Cc: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paul.burton@mips.com>,
James Hogan <jhogan@kernel.org>,
Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>,
Mathieu Malaterre <malat@debian.org>,
Daniel Silsby <dansilsby@gmail.com>,
dmaengine@vger.kernel.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
Linux-MIPS <linux-mips@linux-mips.org>
Subject: Re: [PATCH 06/14] dmaengine: dma-jz4780: Add support for the JZ4725B SoC
Date: Wed, 4 Jul 2018 22:25:01 +0530 [thread overview]
Message-ID: <CANc+2y6HFNfbCtzfmfARJ4J6cnvGGZY0KGoeB_R=w-yj5MQYsw@mail.gmail.com> (raw)
In-Reply-To: <20180703123214.23090-7-paul@crapouillou.net>
On 3 July 2018 at 18:02, Paul Cercueil <paul@crapouillou.net> wrote:
> The JZ4725B has one DMA core starring six DMA channels.
> As for the JZ4770, each DMA channel's clock can be enabled with
> a register write, the difference here being that once started, it
> is not possible to turn it off.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> ---
> Documentation/devicetree/bindings/dma/jz4780-dma.txt | 1 +
> drivers/dma/dma-jz4780.c | 6 ++++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/jz4780-dma.txt b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
> index d7ca3f925fdf..5d302b488e88 100644
> --- a/Documentation/devicetree/bindings/dma/jz4780-dma.txt
> +++ b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
> @@ -5,6 +5,7 @@ Required properties:
> - compatible: Should be one of:
> * ingenic,jz4780-dma
> * ingenic,jz4770-dma
> + * ingenic,jz4725b-dma
> * ingenic,jz4740-dma
> - reg: Should contain the DMA channel registers location and length, followed
> by the DMA controller registers location and length.
> diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
> index ccadbe61dde7..922e4031e70e 100644
> --- a/drivers/dma/dma-jz4780.c
> +++ b/drivers/dma/dma-jz4780.c
> @@ -134,6 +134,7 @@ struct jz4780_dma_chan {
>
> enum jz_version {
> ID_JZ4740,
> + ID_JZ4725B,
> ID_JZ4770,
> ID_JZ4780,
> };
> @@ -204,6 +205,8 @@ static inline void jz4780_dma_chan_enable(struct jz4780_dma_dev *jzdma,
> {
> if (jzdma->version == ID_JZ4770)
> jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DCKES, BIT(chn));
> + else if (jzdma->version == ID_JZ4725B)
> + jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DCKE, BIT(chn));
> }
>
> static inline void jz4780_dma_chan_disable(struct jz4780_dma_dev *jzdma,
> @@ -249,6 +252,7 @@ static void jz4780_dma_desc_free(struct virt_dma_desc *vdesc)
>
> static const unsigned int jz4780_dma_ord_max[] = {
> [ID_JZ4740] = 5,
> + [ID_JZ4725B] = 5,
> [ID_JZ4770] = 6,
> [ID_JZ4780] = 7,
> };
> @@ -804,12 +808,14 @@ static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec,
>
> static const unsigned int jz4780_dma_nb_channels[] = {
> [ID_JZ4740] = 6,
> + [ID_JZ4725B] = 6,
> [ID_JZ4770] = 6,
> [ID_JZ4780] = 32,
> };
>
> static const struct of_device_id jz4780_dma_dt_match[] = {
> { .compatible = "ingenic,jz4740-dma", .data = (void *)ID_JZ4740 },
> + { .compatible = "ingenic,jz4725b-dma", .data = (void *)ID_JZ4725B },
> { .compatible = "ingenic,jz4770-dma", .data = (void *)ID_JZ4770 },
> { .compatible = "ingenic,jz4780-dma", .data = (void *)ID_JZ4780 },
> {},
> --
> 2.18.0
>
>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
next prev parent reply other threads:[~2018-07-04 16:55 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-03 12:32 [PATCH 00/14] dma-jz4780 improvements Paul Cercueil
2018-07-03 12:32 ` [PATCH 01/14] dmaengine: dma-jz4780: Avoid hardcoding number of channels Paul Cercueil
2018-07-04 16:28 ` PrasannaKumar Muralidharan
2018-07-05 18:26 ` Paul Cercueil
2018-07-07 7:34 ` PrasannaKumar Muralidharan
2018-07-07 11:01 ` Paul Cercueil
2018-07-09 16:59 ` Vinod
[not found] ` <1531236550.17118.0@crapouillou.net>
2018-07-11 12:14 ` Vinod
2018-07-03 12:32 ` [PATCH 02/14] dmaengine: dma-jz4780: Separate chan/ctrl registers Paul Cercueil
2018-07-03 16:53 ` Paul Burton
2018-07-05 18:23 ` Paul Cercueil
2018-07-04 16:35 ` PrasannaKumar Muralidharan
2018-07-05 21:45 ` Paul Cercueil
2018-07-07 7:27 ` PrasannaKumar Muralidharan
2018-07-09 17:03 ` Vinod
2018-07-10 15:36 ` Paul Cercueil
2018-07-11 12:16 ` Vinod
2018-07-11 23:13 ` Paul Cercueil
2018-07-11 23:27 ` Paul Burton
2018-07-16 21:28 ` Rob Herring
2018-07-03 12:32 ` [PATCH 03/14] dmaengine: dma-jz4780: Use 4-word descriptors Paul Cercueil
2018-07-04 16:40 ` PrasannaKumar Muralidharan
2018-07-03 12:32 ` [PATCH 04/14] dmaengine: dma-jz4780: Add support for the JZ4770 SoC Paul Cercueil
2018-07-09 17:10 ` Vinod
2018-07-10 15:41 ` Paul Cercueil
2018-07-03 12:32 ` [PATCH 05/14] dmaengine: dma-jz4780: Add support for the JZ4740 SoC Paul Cercueil
2018-07-04 16:52 ` PrasannaKumar Muralidharan
2018-07-09 17:12 ` Vinod
2018-07-16 21:33 ` Rob Herring
2018-07-17 11:00 ` Paul Cercueil
2018-07-17 15:34 ` Vinod
2018-07-17 17:40 ` Rob Herring
2018-07-18 5:27 ` Vinod
2018-07-03 12:32 ` [PATCH 06/14] dmaengine: dma-jz4780: Add support for the JZ4725B SoC Paul Cercueil
2018-07-04 16:55 ` PrasannaKumar Muralidharan [this message]
2018-07-09 17:14 ` Vinod
2018-07-10 15:45 ` Paul Cercueil
2018-07-11 12:18 ` Vinod
2018-07-11 23:13 ` Paul Cercueil
2018-07-03 12:32 ` [PATCH 07/14] dmaengine: dma-jz4780: Enable Fast DMA to the AIC Paul Cercueil
2018-07-04 17:00 ` PrasannaKumar Muralidharan
2018-07-03 12:32 ` [PATCH 08/14] dmaengine: dma-jz4780: Add missing residue DTC mask Paul Cercueil
2018-07-03 12:32 ` [PATCH 09/14] dmaengine: dma-jz4780: Simplify jz4780_dma_desc_residue() Paul Cercueil
2018-07-03 12:32 ` [PATCH 10/14] dmaengine: dma-jz4780: Set DTCn register explicitly Paul Cercueil
2018-07-03 12:32 ` [PATCH 11/14] dmaengine: dma-jz4780: Further residue status fix Paul Cercueil
2018-07-03 12:32 ` [PATCH 12/14] dmaengine: dma-jz4780: Use dma_set_residue() Paul Cercueil
2018-07-03 12:32 ` [PATCH 13/14] MIPS: JZ4780: DTS: Update DMA node to match driver changes Paul Cercueil
2018-07-03 12:32 ` [PATCH 14/14] MIPS: JZ4770: DTS: Add DMA nodes Paul Cercueil
2018-07-03 19:32 ` [PATCH 00/14] dma-jz4780 improvements Mathieu Malaterre
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