From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: olivier moysan <olivier.moysan-qxv4g6HH51o@public.gmane.org> Cc: lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, perex-/Fr2/VpizcU@public.gmane.org, tiwai-IBi9RG/b67k@public.gmane.org, mcoquelin.stm32-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, alexandre.torgue-qxv4g6HH51o@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, arnaud.pouliquen-qxv4g6HH51o@public.gmane.org Subject: Re: [RESEND PATCH v2 1/2] ASoC: stm32: add bindings for SAI Date: Wed, 15 Mar 2017 12:46:06 -0500 [thread overview] Message-ID: <20170315174606.rrvhuuzplzwwucph@rob-hp-laptop> (raw) In-Reply-To: <1488879872-7839-2-git-send-email-olivier.moysan-qxv4g6HH51o@public.gmane.org> On Tue, Mar 07, 2017 at 10:44:31AM +0100, olivier moysan wrote: > This patch adds documentation of device tree bindings for the > STM32 SAI ASoC driver. > > Signed-off-by: olivier moysan <olivier.moysan-qxv4g6HH51o@public.gmane.org> > --- > .../devicetree/bindings/sound/st,stm32-sai.txt | 79 ++++++++++++++++++++++ > 1 file changed, 79 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-sai.txt > > diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt > new file mode 100644 > index 0000000..b3be26d > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt > @@ -0,0 +1,79 @@ > +STMicroelectronics STM32 Serial Audio Interface (SAI). > + > +The SAI interface (Serial Audio Interface) offers a wide set of audio protocols > +as I2S standards, LSB or MSB-justified, PCM/DSP, TDM, and AC'97. > +The SAI contains two independent audio sub-blocks. Each sub-block has > +its own clock generator and I/O lines controller. > + > +Required properties: > + - compatible: Should be "st,stm32f4-sai" > + - reg: Base address and size of SAI common register set. > + - clocks: Must contain phandle and clock specifier pairs for each entry > + in clock-names. > + - clock-names: Must contain "clk_x8k" and "clk_x11k" > + "clk_x8k": SAI parent clock for sampling rates multiple of 8kHz. > + "clk_x11k": SAI parent clock for sampling rates multiple of 11.025kHz. clk_ is redundant. > + - interrupts: cpu DAI interrupt line shared by SAI sub-blocks > + > +Note: Each SAI controller should have an alias correctly numbered > +in "aliases" node, to provide explicit name to CPU DAI. No, it shouldn't. Why do you need that? > + > +Optional properties: > + - resets: Reference to a reset controller asserting the SAI > + > +SAI subnodes: > +Two subnodes corresponding to SAI sub-block instances A et B can be defined. > +Subnode can be omitted for unsused sub-block. > + > +SAI subnodes required properties: > + - compatible: Should be "st,stm32-sai-sub-a" or "st,stm32-sai-sub-b" > + for SAI sub-block A or B respectively. > + - reg: Base address and size of SAI sub-block register set. > + - clocks: Must contain one phandle and clock specifier pair > + for sai_ck which feeds the internal clock generator. > + - clock-names: Must contain "sai_ck". > + - dmas: see Documentation/devicetree/bindings/dma/stm32-dma.txt > + - dma-names: identifier string for each DMA request line > + "tx": if sai sub-block is configured as playback DAI > + "rx": if sai sub-block is configured as capture DAI > + - pinctrl-names: should contain only value "default" > + - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt > + > +Example: > +sai1: sai1@40015800 { > + compatible = "st,stm32f4-sai"; > + reg = <0x40015800 0x400>; > + clocks = <&rcc 1 CLK_SAIQ_PDIV>, <&rcc 1 CLK_I2SQ_PDIV>; > + clock-names = "clk_x8k", "clk_x11k"; > + interrupts = <87>; > + resets = <&rcc 310>; > + > + sai1b: sai@1 { unit address needs a reg property. audio-controller@1 > + #sound-dai-cells = <0>; > + compatible = "st,stm32-sai-sub-b"; > + clocks = <&rcc 1 CLK_SAI2>; > + clock-names = "sai_ck"; > + dmas = <&dma2 5 0 0x400 0x1>; > + dma-names = "tx"; > + }; > +}; > + > +sound { > + compatible = "simple-audio-card"; Perhaps you want to use the graph-card here. It's getting close to merging. > + simple-audio-card,name = "STM32-Sound-Card"; > + status = "okay"; > + > + simple-audio-card,dai-link@0 { > + format = "i2s"; > + cpu { > + sound-dai = <&sai1b>; > + }; > + codec { > + sound-dai = <&codec>; > + }; > + }; > +}; > + > +aliases { > + sai1 = &sai1; > +}; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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From: robh@kernel.org (Rob Herring) To: linux-arm-kernel@lists.infradead.org Subject: [RESEND PATCH v2 1/2] ASoC: stm32: add bindings for SAI Date: Wed, 15 Mar 2017 12:46:06 -0500 [thread overview] Message-ID: <20170315174606.rrvhuuzplzwwucph@rob-hp-laptop> (raw) In-Reply-To: <1488879872-7839-2-git-send-email-olivier.moysan@st.com> On Tue, Mar 07, 2017 at 10:44:31AM +0100, olivier moysan wrote: > This patch adds documentation of device tree bindings for the > STM32 SAI ASoC driver. > > Signed-off-by: olivier moysan <olivier.moysan@st.com> > --- > .../devicetree/bindings/sound/st,stm32-sai.txt | 79 ++++++++++++++++++++++ > 1 file changed, 79 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-sai.txt > > diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt > new file mode 100644 > index 0000000..b3be26d > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt > @@ -0,0 +1,79 @@ > +STMicroelectronics STM32 Serial Audio Interface (SAI). > + > +The SAI interface (Serial Audio Interface) offers a wide set of audio protocols > +as I2S standards, LSB or MSB-justified, PCM/DSP, TDM, and AC'97. > +The SAI contains two independent audio sub-blocks. Each sub-block has > +its own clock generator and I/O lines controller. > + > +Required properties: > + - compatible: Should be "st,stm32f4-sai" > + - reg: Base address and size of SAI common register set. > + - clocks: Must contain phandle and clock specifier pairs for each entry > + in clock-names. > + - clock-names: Must contain "clk_x8k" and "clk_x11k" > + "clk_x8k": SAI parent clock for sampling rates multiple of 8kHz. > + "clk_x11k": SAI parent clock for sampling rates multiple of 11.025kHz. clk_ is redundant. > + - interrupts: cpu DAI interrupt line shared by SAI sub-blocks > + > +Note: Each SAI controller should have an alias correctly numbered > +in "aliases" node, to provide explicit name to CPU DAI. No, it shouldn't. Why do you need that? > + > +Optional properties: > + - resets: Reference to a reset controller asserting the SAI > + > +SAI subnodes: > +Two subnodes corresponding to SAI sub-block instances A et B can be defined. > +Subnode can be omitted for unsused sub-block. > + > +SAI subnodes required properties: > + - compatible: Should be "st,stm32-sai-sub-a" or "st,stm32-sai-sub-b" > + for SAI sub-block A or B respectively. > + - reg: Base address and size of SAI sub-block register set. > + - clocks: Must contain one phandle and clock specifier pair > + for sai_ck which feeds the internal clock generator. > + - clock-names: Must contain "sai_ck". > + - dmas: see Documentation/devicetree/bindings/dma/stm32-dma.txt > + - dma-names: identifier string for each DMA request line > + "tx": if sai sub-block is configured as playback DAI > + "rx": if sai sub-block is configured as capture DAI > + - pinctrl-names: should contain only value "default" > + - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt > + > +Example: > +sai1: sai1 at 40015800 { > + compatible = "st,stm32f4-sai"; > + reg = <0x40015800 0x400>; > + clocks = <&rcc 1 CLK_SAIQ_PDIV>, <&rcc 1 CLK_I2SQ_PDIV>; > + clock-names = "clk_x8k", "clk_x11k"; > + interrupts = <87>; > + resets = <&rcc 310>; > + > + sai1b: sai at 1 { unit address needs a reg property. audio-controller at 1 > + #sound-dai-cells = <0>; > + compatible = "st,stm32-sai-sub-b"; > + clocks = <&rcc 1 CLK_SAI2>; > + clock-names = "sai_ck"; > + dmas = <&dma2 5 0 0x400 0x1>; > + dma-names = "tx"; > + }; > +}; > + > +sound { > + compatible = "simple-audio-card"; Perhaps you want to use the graph-card here. It's getting close to merging. > + simple-audio-card,name = "STM32-Sound-Card"; > + status = "okay"; > + > + simple-audio-card,dai-link at 0 { > + format = "i2s"; > + cpu { > + sound-dai = <&sai1b>; > + }; > + codec { > + sound-dai = <&codec>; > + }; > + }; > +}; > + > +aliases { > + sai1 = &sai1; > +}; > -- > 1.9.1 >
next prev parent reply other threads:[~2017-03-15 17:46 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-07 9:44 [RESEND PATCH v2 0/2] Add STM32 SAI support olivier moysan 2017-03-07 9:44 ` olivier moysan 2017-03-07 9:44 ` [RESEND PATCH v2 1/2] ASoC: stm32: add bindings for SAI olivier moysan 2017-03-07 9:44 ` olivier moysan [not found] ` <1488879872-7839-2-git-send-email-olivier.moysan-qxv4g6HH51o@public.gmane.org> 2017-03-15 17:46 ` Rob Herring [this message] 2017-03-15 17:46 ` Rob Herring 2017-03-16 10:50 ` Olivier MOYSAN 2017-03-16 10:50 ` Olivier MOYSAN 2017-03-18 20:43 ` Rob Herring 2017-03-18 20:43 ` Rob Herring 2017-03-07 9:44 ` [RESEND PATCH v2 2/2] ASoC: stm32: add SAI driver olivier moysan 2017-03-07 9:44 ` olivier moysan [not found] <f6a9354e-dbab-f485-c763-21c8e3af3d62@st.com> 2017-03-21 10:31 ` [RESEND PATCH v2 1/2] ASoC: stm32: add bindings for SAI Olivier MOYSAN 2017-03-21 10:31 ` Olivier MOYSAN
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