From: Marek Vasut Date: Fri, 31 May 2024 20:26:26 +0000 (+0200) Subject: clk: imx: clk-imx8mp: Allow media_disp pixel clock reconfigure parent rate X-Git-Tag: v6.12-rc1~83^2~2^4^2^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ff06ea04e4cf3ba2f025024776e83bfbdfa05155;p=thirdparty%2Fkernel%2Flinux.git clk: imx: clk-imx8mp: Allow media_disp pixel clock reconfigure parent rate The media_disp[12]_pix clock supply LCDIFv3 pixel clock output. These clocks are usually the only downstream clock from Video PLL on i.MX8MP. Allow these clocks to reconfigure the Video PLL, as that results in accurate pixel clock. If the Video PLL is not reconfigured, the pixel clock accuracy is low. Signed-off-by: Marek Vasut Reviewed-by: Abel Vesa Link: https://lore.kernel.org/r/20240531202648.277078-1-marex@denx.de Signed-off-by: Abel Vesa --- diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index e561ff7b135fb..516dbd170c8a3 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -547,7 +547,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_AHB] = imx8m_clk_hw_composite_bus_critical("ahb_root", imx8mp_ahb_sels, ccm_base + 0x9000); hws[IMX8MP_CLK_AUDIO_AHB] = imx8m_clk_hw_composite_bus("audio_ahb", imx8mp_audio_ahb_sels, ccm_base + 0x9100); hws[IMX8MP_CLK_MIPI_DSI_ESC_RX] = imx8m_clk_hw_composite_bus("mipi_dsi_esc_rx", imx8mp_mipi_dsi_esc_rx_sels, ccm_base + 0x9200); - hws[IMX8MP_CLK_MEDIA_DISP2_PIX] = imx8m_clk_hw_composite_bus("media_disp2_pix", imx8mp_media_disp_pix_sels, ccm_base + 0x9300); + hws[IMX8MP_CLK_MEDIA_DISP2_PIX] = imx8m_clk_hw_composite_bus_flags("media_disp2_pix", imx8mp_media_disp_pix_sels, ccm_base + 0x9300, CLK_SET_RATE_PARENT); hws[IMX8MP_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb_root", ccm_base + 0x9080, 0, 1); @@ -609,7 +609,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_USDHC3] = imx8m_clk_hw_composite("usdhc3", imx8mp_usdhc3_sels, ccm_base + 0xbc80); hws[IMX8MP_CLK_MEDIA_CAM1_PIX] = imx8m_clk_hw_composite("media_cam1_pix", imx8mp_media_cam1_pix_sels, ccm_base + 0xbd00); hws[IMX8MP_CLK_MEDIA_MIPI_PHY1_REF] = imx8m_clk_hw_composite("media_mipi_phy1_ref", imx8mp_media_mipi_phy1_ref_sels, ccm_base + 0xbd80); - hws[IMX8MP_CLK_MEDIA_DISP1_PIX] = imx8m_clk_hw_composite("media_disp1_pix", imx8mp_media_disp_pix_sels, ccm_base + 0xbe00); + hws[IMX8MP_CLK_MEDIA_DISP1_PIX] = imx8m_clk_hw_composite_bus_flags("media_disp1_pix", imx8mp_media_disp_pix_sels, ccm_base + 0xbe00, CLK_SET_RATE_PARENT); hws[IMX8MP_CLK_MEDIA_CAM2_PIX] = imx8m_clk_hw_composite("media_cam2_pix", imx8mp_media_cam2_pix_sels, ccm_base + 0xbe80); hws[IMX8MP_CLK_MEDIA_LDB] = imx8m_clk_hw_composite("media_ldb", imx8mp_media_ldb_sels, ccm_base + 0xbf00); hws[IMX8MP_CLK_MEMREPAIR] = imx8m_clk_hw_composite_critical("mem_repair", imx8mp_memrepair_sels, ccm_base + 0xbf80); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index adb7ad649a0d2..aa5202f284f3d 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -442,6 +442,10 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT) +#define imx8m_clk_hw_composite_bus_flags(name, parent_names, reg, flags) \ + _imx8m_clk_hw_composite(name, parent_names, reg, \ + IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT | flags) + #define imx8m_clk_hw_composite_bus_critical(name, parent_names, reg) \ _imx8m_clk_hw_composite(name, parent_names, reg, \ IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)