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Fri, 06 Mar 2020 14:27:24 -0800 (PST) Received: from kevin-Precision-Tower-5810.dhcp.broadcom.net ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id v8sm10504805pjr.10.2020.03.06.14.27.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 06 Mar 2020 14:27:24 -0800 (PST) From: Kevin Li To: Mark Brown Cc: Takashi Iwai , Liam Girdwood , Ray Jui , Jaroslav Kysela , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Stephen Boyd , Kuninori Morimoto , alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kevin Li Subject: [PATCH] ASoC: brcm: DSL/PON SoC device tree bindings of audio driver Date: Fri, 6 Mar 2020 14:27:05 -0800 Message-Id: <20200306222705.13309-2-kevin-ke.li@broadcom.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200306222705.13309-1-kevin-ke.li@broadcom.com> References: <20200306222705.13309-1-kevin-ke.li@broadcom.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Kevin Li --- .../bindings/sound/brcm,bcm63xx-audio.txt | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100755 Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt diff --git a/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt b/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt new file mode 100755 index 000000000000..88e404a8145f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt @@ -0,0 +1,29 @@ +Broadcom DSL/PON BCM63xx Audio I2S controller + +Required properties: +- compatible: Should be "brcm,bcm63xx-i2s". +- #address-cells: 32bit valued, 1 cell. +- #size-cells: 32bit valued, 0 cell. +- reg: Should contain audio registers location and length +- interrupts: Should contain the interrupt for the controller. +- clocks: Must contain an entry for each entry in clock-names. + Please refer to clock-bindings.txt. +- clock-names: Should be one of each entry matching the clocks phandles list: + - "i2sclk" (generated clock) Required. + - "i2sosc" (fixed 200MHz clock) Required. + +(1) : The generated clock is required only when any of TX and RX + works on Master Mode. +(2) : The fixed 200MHz clock is from internal chip and always on + +Example: + + i2s: bcm63xx-i2s { + #address-cells = <1>; + #size-cells = <0>; + compatible = "brcm,bcm63xx-i2s"; + reg = <0xFF802080 0xFF>; + interrupts = ; + clocks = <&i2sclk>, <&osc>; + clock-names = "i2sclk","i2sosc"; + }; \ No newline at end of file -- 2.25.1