arm64: dts: imx8mp: Align both CSI2 pixel clock
authorMarek Vasut <marex@denx.de>
Wed, 17 Apr 2024 11:42:06 +0000 (13:42 +0200)
committerShawn Guo <shawnguo@kernel.org>
Thu, 25 Apr 2024 06:23:33 +0000 (14:23 +0800)
Configure both CSI2 clock-frequency and 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.

Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx8mp.dtsi

index 9f3e7c23b2efb464e685cf98896d7639d75fbdad..f3837d526fcdc9e2d94a09db8dc5eb94ed3c8488 100644 (file)
                                compatible = "fsl,imx8mp-mipi-csi2", "fsl,imx8mm-mipi-csi2";
                                reg = <0x32e40000 0x10000>;
                                interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
-                               clock-frequency = <500000000>;
+                               clock-frequency = <266000000>;
                                clocks = <&clk IMX8MP_CLK_MEDIA_APB_ROOT>,
                                         <&clk IMX8MP_CLK_MEDIA_CAM1_PIX_ROOT>,
                                         <&clk IMX8MP_CLK_MEDIA_MIPI_PHY1_REF_ROOT>,
                                                  <&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";