linux-kernel - [PATCH v7 3/3] ARM: dts: stm32: Set DCMI frequency requirement for stm32mp15x

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Message-ID: <20200701130129.30961-4-benjamin.gaignard@st.com>
Date:   Wed, 1 Jul 2020 15:01:29 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <hugues.fruchet@...com>, <mchehab@...nel.org>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <robh+dt@...nel.org>
CC:     <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <vincent.guittot@...aro.org>,
        <valentin.schneider@....com>, <rjw@...ysocki.net>,
        <devicetree@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH v7 3/3] ARM: dts: stm32: Set DCMI frequency requirement for stm32mp15x

Make sure that CPUs will at least run at 650Mhz when streaming
sensor frames.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 arch/arm/boot/dts/stm32mp151.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 36f38a95b4de..b3af20869fa5 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1093,6 +1093,7 @@
 			clock-names = "mclk";
 			dmas = <&dmamux1 75 0x400 0x0d>;
 			dma-names = "tx";
+			st,stm32-dcmi-min-frequency = <650000>;
 			status = "disabled";
 		};
 
-- 
2.15.0