From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoyou Xie Subject: [PATCH v3 2/3] ASoC: zx-i2s: introduce pclk for zx2967 family Date: Wed, 8 Feb 2017 11:02:34 +0800 Message-ID: <1486522955-14528-2-git-send-email-baoyou.xie@linaro.org> References: <1486522955-14528-1-git-send-email-baoyou.xie@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1486522955-14528-1-git-send-email-baoyou.xie@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, jun.nie@linaro.org, baoyou.xie@linaro.org, mturquette@baylibre.com, sboyd@codeaurora.org, perex@perex.cz, tiwai@suse.com, shawn.guo@linaro.org, vinod.koul@intel.com Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, mathieu.poirier@linaro.org, xie.baoyou@zte.com.cn, linux-kernel@vger.kernel.org, chen.chaokai@zte.com.cn, wang.qiang01@zte.com.cn, shawnguo@kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org ZTE's zx2967 I2S controller driver introduces pclk, this patch documents this fact. Signed-off-by: Baoyou Xie --- Documentation/devicetree/bindings/sound/zte,zx-i2s.txt | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt index 7e5aa6f..77390c0 100644 --- a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt +++ b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt @@ -4,7 +4,7 @@ Required properties: - compatible : Must be "zte,zx296702-i2s" - reg : Must contain I2S core's registers location and length - clocks : Pairs of phandle and specifier referencing the controller's clocks. - - clock-names: "tx" for the clock to the I2S interface. + - clock-names: "wclk" for the wclk, "pclk" for the pclk to the I2S interface. - dmas: Pairs of phandle and specifier for the DMA channel that is used by the core. The core expects two dma channels for transmit. - dma-names : Must be "tx" and "rx" @@ -15,13 +15,17 @@ please check: * clock/clock-bindings.txt * dma/dma.txt +Please note that ZTE ZX296702 I2S controller driver is compatible for zx296702 +and zx296718, so compatible string might be set as follow: + "zte,zx296718-i2s", "zte,zx296702-i2s" + Example: i2s0: i2s0@0b005000 { #sound-dai-cells = <0>; - compatible = "zte,zx296702-i2s"; + compatible = "zte,zx296718-i2s", "zte,zx296702-i2s"; reg = <0x0b005000 0x1000>; - clocks = <&lsp0clk ZX296702_I2S0_DIV>; - clock-names = "tx"; + clocks = <&audiocrm AUDIO_I2S0_WCLK>, <&audiocrm AUDIO_I2S0_PCLK>; + clock-names = "wclk", "pclk"; interrupts = ; dmas = <&dma 5>, <&dma 6>; dma-names = "tx", "rx"; -- 2.7.4