Linux ARM-MSM sub-architecture
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Alexey Klimov <alexey.klimov@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Srinivas Kandagatla <srini@kernel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	linux-arm-msm@vger.kernel.org, linux-gpio@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-sound@vger.kernel.org
Subject: Re: [PATCH v2 3/4] arm64: dts: qcom: qcm2290: add LPASS LPI pin controller
Date: Tue, 7 Oct 2025 14:39:21 +0200	[thread overview]
Message-ID: <b6223af9-2d9e-4ccd-b297-79f63167242b@oss.qualcomm.com> (raw)
In-Reply-To: <20251007-rb1_hdmi_audio-v2-3-821b6a705e4c@linaro.org>

On 10/7/25 4:03 AM, Alexey Klimov wrote:
> Add the Low Power Audio SubSystem Low Power Island (LPASS LPI) pin
> controller device node required for audio subsystem on Qualcomm
> QRB2210 RB1. QRB2210 is based on qcm2290 which is based on sm6115.
> 
> While at this, also add description of lpi_i2s2 pins (active state)
> required for audio playback via HDMI/I2S.
> 
> Cc: Srinivas Kandagatla <srini@kernel.org>
> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
> ---

[...]

> +			lpi_i2s2_active: lpi-i2s2-active-state {
> +				data-pins {
> +					pins = "gpio12";
> +					function = "i2s2_data";
> +					bias-disable;
> +					drive-strength = <8>;
> +					output-high;

I.. doubt output-high is what you want?

> +				};
> +
> +				sck-pins {
> +					pins = "gpio10";
> +					function = "i2s2_clk";
> +					bias-disable;
> +					drive-strength = <8>;
> +					output-high;
> +				};
> +
> +				ws-pins {
> +					pins = "gpio11";

Please re-sort pin entries by the gpio index

https://docs.kernel.org/devicetree/bindings/dts-coding-style.html#order-of-nodes

Konrad

  reply	other threads:[~2025-10-07 12:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-07  2:03 [PATCH v2 0/4] qrb2210-rb1: HDMI/I2S audio playback support Alexey Klimov
2025-10-07  2:03 ` [PATCH v2 1/4] dt-bindings: pinctrl: qcom,sm6115-lpass-lpi: add QCM2290 compatible Alexey Klimov
2025-10-13 12:29   ` Linus Walleij
2025-10-07  2:03 ` [PATCH v2 2/4] arm64: dts: qcom: qcm2290: add APR and its services Alexey Klimov
2025-10-07  2:03 ` [PATCH v2 3/4] arm64: dts: qcom: qcm2290: add LPASS LPI pin controller Alexey Klimov
2025-10-07 12:39   ` Konrad Dybcio [this message]
2025-10-10 12:29     ` Alexey Klimov
2025-10-17 22:42       ` Bjorn Andersson
2025-10-21 12:56         ` Alexey Klimov
2025-10-21 13:03           ` Dmitry Baryshkov
2025-10-21 13:13             ` Srinivas Kandagatla
2025-10-22 16:52               ` Alexey Klimov
2025-10-21 15:42             ` Alexey Klimov
2025-10-07  2:03 ` [PATCH v2 4/4] arm64: dts: qcom: qrb2210-rb1: add HDMI/I2S audio playback support Alexey Klimov

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