Linux GPIO subsystem development
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From: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
To: Bartosz Golaszewski <brgl@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Linus Walleij <linusw@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Srinivas Kandagatla <srini@kernel.org>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
	Srinivas Kandagatla <srinivas.kandagatla@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: [PATCH v5 1/4] ASoC: dt-bindings: qcom: add LPASS LPR vote clock ID
Date: Wed, 22 Jul 2026 17:32:14 +0530	[thread overview]
Message-ID: <20260722120217.3609506-2-prasad.kumpatla@oss.qualcomm.com> (raw)
In-Reply-To: <20260722120217.3609506-1-prasad.kumpatla@oss.qualcomm.com>

Add a new clock ID, LPASS_HW_LPR_VOTE, to represent the LPASS low-power
resource (LPR) vote through the PRM interface.

The LPASS PRM supports a resource voting mechanism to control low-power
states via PARAM_ID_RSC_CPU_LPR. Exposing this as a q6prm clock ID allows
clients to request the LPR vote using the existing qcom,q6prm clock
provider interface.

This functionality is required on newer platforms (e.g. Hawi) where LPASS
clients need to explicitly manage LPR resource voting via PRM.

Signed-off-by: Prasad Kumpatla <prasad.kumpatla@oss.qualcomm.com>
---
 include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
index 7b553a73b..8e04106d4 100644
--- a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
+++ b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
@@ -236,6 +236,7 @@
 #define LPASS_HW_AVTIMER_VOTE		101
 #define LPASS_HW_MACRO_VOTE		102
 #define LPASS_HW_DCODEC_VOTE		103
+#define LPASS_HW_LPR_VOTE		104
 
 #define LPASS_CLK_ATTRIBUTE_INVALID		0x0
 #define LPASS_CLK_ATTRIBUTE_COUPLE_NO		0x1
-- 
2.34.1


  reply	other threads:[~2026-07-22 12:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-22 12:02 [PATCH v5 0/4] ASoC: qcom and pinctrl: add LPASS LPR voting and Hawi LPASS LPI TLMM Prasad Kumpatla
2026-07-22 12:02 ` Prasad Kumpatla [this message]
2026-07-24  5:55   ` [PATCH v5 1/4] ASoC: dt-bindings: qcom: add LPASS LPR vote clock ID Krzysztof Kozlowski
2026-07-22 12:02 ` [PATCH v5 2/4] ASoC: qcom: q6prm: add support for LPASS LPR resource voting Prasad Kumpatla
2026-07-24  8:53   ` Srinivas Kandagatla
2026-07-22 12:02 ` [PATCH v5 3/4] dt-bindings: pinctrl: qcom,hawi-lpass-lpi-pinctrl: Add Hawi LPI pinctrl Prasad Kumpatla
2026-07-22 12:02 ` [PATCH v5 4/4] pinctrl: qcom: hawi-lpass-lpi: add Hawi LPASS LPI TLMM Prasad Kumpatla
2026-07-23  9:37 ` [PATCH v5 0/4] ASoC: qcom and pinctrl: add LPASS LPR voting and " Bartosz Golaszewski

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