From 8647d8a7709d7619cb26467957b846989c4459d0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 16 Jun 2025 04:11:15 +0300 Subject: [PATCH] arm64: dts: imx8mp: Add pclk clock and second power domain for the ISP The ISP HDR stitching registers are clocked by the pixel clock, which is gated by the MIPI_CSI2 power domain. Attempting to access those registers with the clock off locks up the system. Fix this by adding the pclk clock and the MIPI_CSI2 secondary power domain. Signed-off-by: Laurent Pinchart Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index bb24dba7338ea..5d10de3950c34 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1701,9 +1701,12 @@ interrupts = ; clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>, <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>, - <&clk IMX8MP_CLK_MEDIA_APB_ROOT>; - clock-names = "isp", "aclk", "hclk"; - power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>; + <&clk IMX8MP_CLK_MEDIA_APB_ROOT>, + <&clk IMX8MP_CLK_MEDIA_CAM1_PIX_ROOT>; + clock-names = "isp", "aclk", "hclk", "pclk"; + power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>, + <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_1>; + power-domain-names = "isp", "csi2"; fsl,blk-ctrl = <&media_blk_ctrl 0>; status = "disabled"; @@ -1723,9 +1726,12 @@ interrupts = ; clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>, <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>, - <&clk IMX8MP_CLK_MEDIA_APB_ROOT>; - clock-names = "isp", "aclk", "hclk"; - power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>; + <&clk IMX8MP_CLK_MEDIA_APB_ROOT>, + <&clk IMX8MP_CLK_MEDIA_CAM1_PIX_ROOT>; + clock-names = "isp", "aclk", "hclk", "pclk"; + power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>, + <&media_blk_ctrl IMX8MP_MEDIABLK_PD_MIPI_CSI2_2>; + power-domain-names = "isp", "csi2"; fsl,blk-ctrl = <&media_blk_ctrl 1>; status = "disabled"; -- 2.47.3