From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932359AbdEKJtk (ORCPT ); Thu, 11 May 2017 05:49:40 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:59881 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751208AbdEKJti (ORCPT ); Thu, 11 May 2017 05:49:38 -0400 From: olivier moysan To: , , , , , , , , , , , , , CC: , Subject: [PATCH v3 1/3] dt-bindings: Document STM32 I2S bindings Date: Thu, 11 May 2017 11:45:02 +0200 Message-ID: <1494495904-18898-2-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> References: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.48.0.208] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-05-11_07:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add documentation of device tree bindings for STM32 SPI/I2S. Signed-off-by: olivier moysan --- .../devicetree/bindings/sound/st,stm32-i2s.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-i2s.txt diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt new file mode 100644 index 0000000..67b854a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt @@ -0,0 +1,68 @@ +STMicroelectronics STM32 SPI/I2S Controller + +The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode. +Only some SPI instances support I2S. + +Required properties: + - compatible: Must be "st,stm32h7-i2s" + - reg: Offset and length of the device's register set. + - interrupts: Must contain the interrupt line id. + - clocks: Must contain phandle and clock specifier pairs for each entry + in clock-names. + - clock-names: Must contain "i2sclk", "pclk", "x8k" and "x11k". + "i2sclk": clock which feeds the internal clock generator + "pclk": clock which feeds the peripheral bus interface + "x8k": I2S parent clock for sampling rates multiple of 8kHz. + "x11k": I2S parent clock for sampling rates multiple of 11.025kHz. + - dmas: DMA specifiers for tx and rx dma. + See Documentation/devicetree/bindings/dma/stm32-dma.txt. + - dma-names: Identifier for each DMA request line. Must be "tx" and "rx". + - pinctrl-names: should contain only value "default" + - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt + +Optional properties: + - resets: Reference to a reset controller asserting the reset controller + +The device node should contain one 'port' child node with one child 'endpoint' +node, according to the bindings defined in Documentation/devicetree/bindings/ +graph.txt. + +Example: +sound_card { + compatible = "audio-graph-card"; + dais = <&i2s2_port 0>; +}; + +i2s2: audio-controller@40003800 { + compatible = "st,stm32h7-i2s"; + #sound-dai-cells = <0>; + reg = <0x40003800 0x400>; + interrupts = <36>; + clocks = <&rcc PCLK1>, <&rcc SPI2_CK>, <&rcc PLL1_Q>, <&rcc PLL2_P>; + clock-names = "pclk", "i2sclk", "x8k", "x11k"; + dmas = <&dmamux2 2 39 0x400 0x1>, + <&dmamux2 3 40 0x400 0x1>; + dma-names = "rx", "tx"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s2>; + + i2s2_port: port@0 { + #address-cells = <1>; + #size-cells = <0>; + + cpu_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + format = "i2s"; + bitclock-master = <&codec_endpoint>; + frame-master = <&codec_endpoint>; + }; + }; +}; + +audio-codec { + codec_port: port@0 { + codec_endpoint: endpoint { + remote-endpoint = <&cpu_endpoint>; + }; + }; +}; -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: olivier moysan Subject: [PATCH v3 1/3] dt-bindings: Document STM32 I2S bindings Date: Thu, 11 May 2017 11:45:02 +0200 Message-ID: <1494495904-18898-2-git-send-email-olivier.moysan@st.com> References: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> 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, perex@perex.cz, tiwai@suse.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, alsa-devel@alsa-project.org, robh@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@stlinux.com, linux-kernel@vger.kernel.org, olivier.moysan@st.com Cc: arnaud.pouliquen@st.com, benjamin.gaignard@st.com List-Id: devicetree@vger.kernel.org Add documentation of device tree bindings for STM32 SPI/I2S. Signed-off-by: olivier moysan --- .../devicetree/bindings/sound/st,stm32-i2s.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-i2s.txt diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt new file mode 100644 index 0000000..67b854a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt @@ -0,0 +1,68 @@ +STMicroelectronics STM32 SPI/I2S Controller + +The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode. +Only some SPI instances support I2S. + +Required properties: + - compatible: Must be "st,stm32h7-i2s" + - reg: Offset and length of the device's register set. + - interrupts: Must contain the interrupt line id. + - clocks: Must contain phandle and clock specifier pairs for each entry + in clock-names. + - clock-names: Must contain "i2sclk", "pclk", "x8k" and "x11k". + "i2sclk": clock which feeds the internal clock generator + "pclk": clock which feeds the peripheral bus interface + "x8k": I2S parent clock for sampling rates multiple of 8kHz. + "x11k": I2S parent clock for sampling rates multiple of 11.025kHz. + - dmas: DMA specifiers for tx and rx dma. + See Documentation/devicetree/bindings/dma/stm32-dma.txt. + - dma-names: Identifier for each DMA request line. Must be "tx" and "rx". + - pinctrl-names: should contain only value "default" + - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt + +Optional properties: + - resets: Reference to a reset controller asserting the reset controller + +The device node should contain one 'port' child node with one child 'endpoint' +node, according to the bindings defined in Documentation/devicetree/bindings/ +graph.txt. + +Example: +sound_card { + compatible = "audio-graph-card"; + dais = <&i2s2_port 0>; +}; + +i2s2: audio-controller@40003800 { + compatible = "st,stm32h7-i2s"; + #sound-dai-cells = <0>; + reg = <0x40003800 0x400>; + interrupts = <36>; + clocks = <&rcc PCLK1>, <&rcc SPI2_CK>, <&rcc PLL1_Q>, <&rcc PLL2_P>; + clock-names = "pclk", "i2sclk", "x8k", "x11k"; + dmas = <&dmamux2 2 39 0x400 0x1>, + <&dmamux2 3 40 0x400 0x1>; + dma-names = "rx", "tx"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s2>; + + i2s2_port: port@0 { + #address-cells = <1>; + #size-cells = <0>; + + cpu_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + format = "i2s"; + bitclock-master = <&codec_endpoint>; + frame-master = <&codec_endpoint>; + }; + }; +}; + +audio-codec { + codec_port: port@0 { + codec_endpoint: endpoint { + remote-endpoint = <&cpu_endpoint>; + }; + }; +}; -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: olivier.moysan@st.com (olivier moysan) Date: Thu, 11 May 2017 11:45:02 +0200 Subject: [PATCH v3 1/3] dt-bindings: Document STM32 I2S bindings In-Reply-To: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> References: <1494495904-18898-1-git-send-email-olivier.moysan@st.com> Message-ID: <1494495904-18898-2-git-send-email-olivier.moysan@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add documentation of device tree bindings for STM32 SPI/I2S. Signed-off-by: olivier moysan --- .../devicetree/bindings/sound/st,stm32-i2s.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-i2s.txt diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt new file mode 100644 index 0000000..67b854a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.txt @@ -0,0 +1,68 @@ +STMicroelectronics STM32 SPI/I2S Controller + +The SPI/I2S block supports I2S/PCM protocols when configured on I2S mode. +Only some SPI instances support I2S. + +Required properties: + - compatible: Must be "st,stm32h7-i2s" + - reg: Offset and length of the device's register set. + - interrupts: Must contain the interrupt line id. + - clocks: Must contain phandle and clock specifier pairs for each entry + in clock-names. + - clock-names: Must contain "i2sclk", "pclk", "x8k" and "x11k". + "i2sclk": clock which feeds the internal clock generator + "pclk": clock which feeds the peripheral bus interface + "x8k": I2S parent clock for sampling rates multiple of 8kHz. + "x11k": I2S parent clock for sampling rates multiple of 11.025kHz. + - dmas: DMA specifiers for tx and rx dma. + See Documentation/devicetree/bindings/dma/stm32-dma.txt. + - dma-names: Identifier for each DMA request line. Must be "tx" and "rx". + - pinctrl-names: should contain only value "default" + - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt + +Optional properties: + - resets: Reference to a reset controller asserting the reset controller + +The device node should contain one 'port' child node with one child 'endpoint' +node, according to the bindings defined in Documentation/devicetree/bindings/ +graph.txt. + +Example: +sound_card { + compatible = "audio-graph-card"; + dais = <&i2s2_port 0>; +}; + +i2s2: audio-controller at 40003800 { + compatible = "st,stm32h7-i2s"; + #sound-dai-cells = <0>; + reg = <0x40003800 0x400>; + interrupts = <36>; + clocks = <&rcc PCLK1>, <&rcc SPI2_CK>, <&rcc PLL1_Q>, <&rcc PLL2_P>; + clock-names = "pclk", "i2sclk", "x8k", "x11k"; + dmas = <&dmamux2 2 39 0x400 0x1>, + <&dmamux2 3 40 0x400 0x1>; + dma-names = "rx", "tx"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2s2>; + + i2s2_port: port at 0 { + #address-cells = <1>; + #size-cells = <0>; + + cpu_endpoint: endpoint { + remote-endpoint = <&codec_endpoint>; + format = "i2s"; + bitclock-master = <&codec_endpoint>; + frame-master = <&codec_endpoint>; + }; + }; +}; + +audio-codec { + codec_port: port at 0 { + codec_endpoint: endpoint { + remote-endpoint = <&cpu_endpoint>; + }; + }; +}; -- 1.9.1