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Sat, 20 Jan 2024 08:55:58 -0500 (EST) Received: by feathertop.org (sSMTP sendmail emulation); Sun, 21 Jan 2024 00:55:55 +1100 From: Tim Lunn To: linux-rockchip@lists.infradead.org, conor.dooley@microchip.com, robh+dt@kernel.org, krzysztof.kozlowski@linaro.org, devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Tim Lunn , Chris Zhong , Conor Dooley , Heiko Stuebner , Krzysztof Kozlowski , Lee Jones , Zhang Qing , linux-kernel@vger.kernel.org Subject: [PATCH v3 2/3] dt-bindings: rockchip: rk809: Document audio codec properties Date: Sun, 21 Jan 2024 00:55:28 +1100 Message-Id: <20240120135529.899403-3-tim@feathertop.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240120135529.899403-1-tim@feathertop.org> References: <20240120135529.899403-1-tim@feathertop.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240120_055605_756097_275790CC X-CRM114-Status: GOOD ( 16.18 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Rockchip RK809 shares the same audio codec block as the rk817 mfd, and is compatible with the existing rk817_codec driver. This patch introduces to the binding the standard property #sound-dai-cells and also an optional codec child node to hold codec specific properties. Currently there is only one property in this node however the downstream driver shows a number of other properties that are supported by the codec hardware, that could be implemented in the future. This maintains the existing driver ABI and keeps consistency with the rk817 bindings. Signed-off-by: Tim Lunn --- Changes in v3: - split out clocks into separate patch and group example properties where properties are introduced. - remove descriptions from #sound-dai-cells node .../bindings/mfd/rockchip,rk809.yaml | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml index eb057607dc54..be0616201f52 100644 --- a/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml +++ b/Documentation/devicetree/bindings/mfd/rockchip,rk809.yaml @@ -12,7 +12,7 @@ maintainers: description: | Rockchip RK809 series PMIC. This device consists of an i2c controlled MFD - that includes regulators, an RTC, and power button. + that includes regulators, an RTC, a power button, and an audio codec. properties: compatible: @@ -93,6 +93,22 @@ properties: unevaluatedProperties: false unevaluatedProperties: false + '#sound-dai-cells': + const: 0 + + codec: + description: | + The child node for the codec to hold additional properties. If no + additional properties are required for the codec, this node can be + omitted. + type: object + additionalProperties: false + properties: + rockchip,mic-in-differential: + type: boolean + description: + Describes if the microphone uses differential mode. + allOf: - if: properties: @@ -137,6 +153,7 @@ examples: pinctrl-0 = <&pmic_int_l_pin>; rockchip,system-power-controller; wakeup-source; + #sound-dai-cells = <0>; vcc1-supply = <&vcc_sysin>; vcc2-supply = <&vcc_sysin>; @@ -281,5 +298,9 @@ examples: }; }; }; + + rk817_codec: codec { + rockchip,mic-in-differential; + }; }; };