From: Pavel Machek <pavel@denx.de>
To: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc: cip-dev@lists.cip-project.org,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
Pavel Machek <pavel@denx.de>,
Biju Das <biju.das.jz@bp.renesas.com>
Subject: Re: [PATCH 5.10.y-cip 04/31] ASoC: dt-bindings: renesas,rz-ssi: Update slave dma channel configuration parameter
Date: Thu, 30 Dec 2021 11:55:07 +0100 [thread overview]
Message-ID: <20211230105507.GA9799@amd> (raw)
In-Reply-To: <20211229101530.22783-5-prabhakar.mahadev-lad.rj@bp.renesas.com>
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Hi!
> From: Biju Das <biju.das.jz@bp.renesas.com>
>
> commit bed0b1c1e88a27b76c74584128cadebc6fa58622 upstream.
>
> The DMAC on RZ/G2L has specific slave channel configuration
> parameters for SSI.
> This patch updates the dmas description and example node to include
> the encoded slave channel configuration.
> +++ b/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml
> @@ -48,6 +48,24 @@ properties:
> dmas:
> minItems: 1
> maxItems: 2
> + description:
> + The first cell represents a phandle to dmac
> + The second cell specifies the encoded MID/RID values of the SSI port
> + connected to the DMA client and the slave channel configuration
> + parameters.
> + bits[0:9] - Specifies MID/RID value of a SSI channel as below
> + MID/RID value of SSI rx0 = 0x256
> + MID/RID value of SSI tx0 = 0x255
> + MID/RID value of SSI rx1 = 0x25a
> + MID/RID value of SSI tx1 = 0x259
> + MID/RID value of SSI rt2 = 0x25f
> + MID/RID value of SSI rx3 = 0x262
> + MID/RID value of SSI tx3 = 0x261
> + bit[10] - HIEN = 1, Detects a request in response to the rising edge
> + of the signal
> + bit[11] - LVL = 0, Detects based on the edge
> + bits[12:14] - AM = 2, Bus cycle mode
> + bit[15] - TM = 0, Single transfer mode
I wish there was better solution to this. Device tree sources are
quite human-readable, this really is not.
Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
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next prev parent reply other threads:[~2021-12-30 10:55 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-29 10:14 [PATCH 5.10.y-cip 00/31] Add sound/adc support for RZ/G2L Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 01/31] ASoC: dt-bindings: Document RZ/G2L bindings Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 02/31] ASoC: dt-bindings: sound: renesas,rz-ssi: Document DMA support Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 03/31] ASoC: sh: Add RZ/G2L SSIF-2 driver Lad Prabhakar
2021-12-30 11:15 ` Pavel Machek
2021-12-30 14:18 ` Prabhakar Mahadev Lad
2021-12-30 20:07 ` Pavel Machek
2021-12-29 10:15 ` [PATCH 5.10.y-cip 04/31] ASoC: dt-bindings: renesas,rz-ssi: Update slave dma channel configuration parameter Lad Prabhakar
2021-12-30 10:55 ` Pavel Machek [this message]
2021-12-30 13:36 ` Prabhakar Mahadev Lad
2022-01-04 10:25 ` Biju Das
2021-12-29 10:15 ` [PATCH 5.10.y-cip 05/31] ASoC: sh: rz-ssi: Add SSI DMAC support Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 06/31] ASoC: sh: rz-ssi: Fix dereference of noderef expression warning Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 07/31] ASoC: sh: rz-ssi: Fix wrong operator used issue Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 08/31] ASoC: sh: rz-ssi: Improve error handling in rz_ssi_dma_request function Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 09/31] dt-bindings: iio: adc: Add binding documentation for Renesas RZ/G2L A/D converter Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 10/31] iio: adc: Add driver " Lad Prabhakar
2021-12-30 11:00 ` Pavel Machek
2021-12-30 13:39 ` Prabhakar Mahadev Lad
2021-12-29 10:15 ` [PATCH 5.10.y-cip 11/31] iio: adc: rzg2l_adc: Fix -EBUSY timeout error return Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 12/31] iio: adc: rzg2l_adc: add missing clk_disable_unprepare() in rzg2l_adc_pm_runtime_resume() Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 13/31] clk: renesas: r9a07g044: Add SSIF-2 clock and reset entries Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 14/31] clk: renesas: r9a07g044: Add clock and reset entries for ADC Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 15/31] arm64: dts: renesas: r9a07g044: Add ADC node Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 16/31] arm64: dts: renesas: r9a07g044: Add external audio clock nodes Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 17/31] arm64: dts: renesas: r9a07g044: Add SSI support Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 18/31] arm64: dts: renesas: r9a07g044: Add DMA support to SSI Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 19/31] arm64: dts: renesas: rzg2l-smarc: Enable I2C{0,1,3} support Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 20/31] arm64: dts: renesas: rzg2l-smarc: Add WM8978 sound codec Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 21/31] arm64: dts: renesas: rzg2l-smarc: Enable audio Lad Prabhakar
2021-12-30 11:02 ` Pavel Machek
2021-12-30 13:40 ` Prabhakar Mahadev Lad
2021-12-29 10:15 ` [PATCH 5.10.y-cip 22/31] arm64: dts: renesas: rzg2l-smarc: Add Mic routing Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 23/31] arm64: dts: renesas: rzg2l-smarc-som: Move extal and memory nodes to SOM DTSI Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 24/31] arm64: dts: renesas: rzg2l-smarc-som: Enable ADC on SMARC platform Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 25/31] arm64: dts: renesas: rzg2l-smarc: Enable CANFD Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 26/31] arm64: defconfig: Enable SOUND_SOC_RZ Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 27/31] arm64: defconfig: Enable SND_SOC_WM8978 Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 28/31] arm64: defconfig: Enable RZG2L_ADC Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 29/31] clk: renesas: r9a07g044: Mark IA55_CLK and DMAC_ACLK critical Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 30/31] i2c: riic: Add RZ/G2L support Lad Prabhakar
2021-12-29 10:15 ` [PATCH 5.10.y-cip 31/31] arm64: defconfig: Enable RIIC Lad Prabhakar
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