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From: Marek Vasut <marex@denx.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Marek Vasut <marex@denx.de>, Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Paul Elder <paul.elder@ideasonboard.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev
Subject: [PATCH v2] arm64: dts: imx8mp: Align both CSI2 pixel clock
Date: Tue, 16 Apr 2024 16:19:10 +0200	[thread overview]
Message-ID: <20240416141914.9375-1-marex@denx.de> (raw)

Configure both CSI2 assigned-clock-rates the same way.
There does not seem to be any reason for keeping the
two CSI2 pixel clock set to different frequencies.

This also reduces first CSI2 clock from overdrive mode
frequency which is 500 MHz down below the regular mode
frequency of 400 MHz.

Signed-off-by: Marek Vasut <marex@denx.de>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Paul Elder <paul.elder@ideasonboard.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
---
V2: Align both clock to 266 MHz and update commit message
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 1bb96e96639f2..7883f5c056f4e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1667,7 +1667,7 @@ mipi_csi_0: csi@32e40000 {
 						  <&clk IMX8MP_CLK_MEDIA_MIPI_PHY1_REF>;
 				assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>,
 							 <&clk IMX8MP_CLK_24M>;
-				assigned-clock-rates = <500000000>;
+				assigned-clock-rates = <266000000>;
 				power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_1>;
 				status = "disabled";
 
-- 
2.43.0


WARNING: multiple messages have this Message-ID (diff)
From: Marek Vasut <marex@denx.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Marek Vasut <marex@denx.de>, Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Paul Elder <paul.elder@ideasonboard.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev
Subject: [PATCH v2] arm64: dts: imx8mp: Align both CSI2 pixel clock
Date: Tue, 16 Apr 2024 16:19:10 +0200	[thread overview]
Message-ID: <20240416141914.9375-1-marex@denx.de> (raw)

Configure both CSI2 assigned-clock-rates the same way.
There does not seem to be any reason for keeping the
two CSI2 pixel clock set to different frequencies.

This also reduces first CSI2 clock from overdrive mode
frequency which is 500 MHz down below the regular mode
frequency of 400 MHz.

Signed-off-by: Marek Vasut <marex@denx.de>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Paul Elder <paul.elder@ideasonboard.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
---
V2: Align both clock to 266 MHz and update commit message
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 1bb96e96639f2..7883f5c056f4e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1667,7 +1667,7 @@ mipi_csi_0: csi@32e40000 {
 						  <&clk IMX8MP_CLK_MEDIA_MIPI_PHY1_REF>;
 				assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>,
 							 <&clk IMX8MP_CLK_24M>;
-				assigned-clock-rates = <500000000>;
+				assigned-clock-rates = <266000000>;
 				power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_1>;
 				status = "disabled";
 
-- 
2.43.0


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             reply	other threads:[~2024-04-16 14:19 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-16 14:19 Marek Vasut [this message]
2024-04-16 14:19 ` [PATCH v2] arm64: dts: imx8mp: Align both CSI2 pixel clock Marek Vasut
2024-04-16 15:01 ` Peng Fan
2024-04-16 15:01   ` Peng Fan
2024-04-17  9:12 ` Alexander Stein
2024-04-17  9:12   ` Alexander Stein
2024-05-03 12:58   ` Alexander Stein
2024-05-03 12:58     ` Alexander Stein
2024-05-03 13:45     ` Laurent Pinchart
2024-05-03 13:45       ` Laurent Pinchart
2024-05-06  6:19       ` Alexander Stein
2024-05-06  6:19         ` Alexander Stein
2024-05-06 18:55         ` Laurent Pinchart
2024-05-06 18:55           ` Laurent Pinchart
2024-04-17 10:14 ` Ahmad Fatoum
2024-04-17 10:14   ` Ahmad Fatoum
2024-04-17 10:17   ` Ahmad Fatoum
2024-04-17 10:17     ` Ahmad Fatoum
2024-04-17 11:06     ` Marek Vasut
2024-04-17 11:06       ` Marek Vasut

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