# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/clock/samsung,exynos5260-clock.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Samsung Exynos5260 SoC clock controller maintainers: - Chanwoo Choi - Krzysztof Kozlowski - Sylwester Nawrocki - Tomasz Figa description: | Expected external clocks, defined in DTS as fixed-rate clocks with a matching name:: - "fin_pll" - PLL input clock from XXTI - "xrtcxti" - input clock from XRTCXTI - "ioclk_pcm_extclk" - pcm external operation clock - "ioclk_spdif_extclk" - spdif external operation clock - "ioclk_i2s_cdclk" - i2s0 codec clock Phy clocks:: There are several clocks which are generated by specific PHYs. These clocks are fed into the clock controller and then routed to the hardware blocks. These clocks are defined as fixed clocks in the driver with following names:: - "phyclk_dptx_phy_ch3_txd_clk" - dp phy clock for channel 3 - "phyclk_dptx_phy_ch2_txd_clk" - dp phy clock for channel 2 - "phyclk_dptx_phy_ch1_txd_clk" - dp phy clock for channel 1 - "phyclk_dptx_phy_ch0_txd_clk" - dp phy clock for channel 0 - "phyclk_hdmi_phy_tmds_clko" - hdmi phy tmds clock - "phyclk_hdmi_phy_pixel_clko" - hdmi phy pixel clock - "phyclk_hdmi_link_o_tmds_clkhi" - hdmi phy for hdmi link - "phyclk_dptx_phy_o_ref_clk_24m" - dp phy reference clock - "phyclk_dptx_phy_clk_div2" - "phyclk_mipi_dphy_4l_m_rxclkesc0" - "phyclk_usbhost20_phy_phyclock" - usb 2.0 phy clock - "phyclk_usbhost20_phy_freeclk" - "phyclk_usbhost20_phy_clk48mohci" - "phyclk_usbdrd30_udrd30_pipe_pclk" - "phyclk_usbdrd30_udrd30_phyclock" - usb 3.0 phy clock All available clocks are defined as preprocessor macros in include/dt-bindings/clock/exynos5260-clk.h header. properties: compatible: enum: - samsung,exynos5260-clock-top - samsung,exynos5260-clock-peri - samsung,exynos5260-clock-egl - samsung,exynos5260-clock-kfc - samsung,exynos5260-clock-g2d - samsung,exynos5260-clock-mif - samsung,exynos5260-clock-mfc - samsung,exynos5260-clock-g3d - samsung,exynos5260-clock-fsys - samsung,exynos5260-clock-aud - samsung,exynos5260-clock-isp - samsung,exynos5260-clock-gscl - samsung,exynos5260-clock-disp clocks: minItems: 1 maxItems: 19 clock-names: minItems: 1 maxItems: 19 "#clock-cells": const: 1 reg: maxItems: 1 required: - compatible - "#clock-cells" - reg allOf: - if: properties: compatible: contains: const: samsung,exynos5260-clock-top then: properties: clocks: minItems: 4 maxItems: 4 clock-names: items: - const: fin_pll - const: dout_mem_pll - const: dout_bus_pll - const: dout_media_pll required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-peri then: properties: clocks: minItems: 13 maxItems: 13 clock-names: items: - const: fin_pll - const: ioclk_pcm_extclk - const: ioclk_i2s_cdclk - const: ioclk_spdif_extclk - const: phyclk_hdmi_phy_ref_cko - const: dout_aclk_peri_66 - const: dout_sclk_peri_uart0 - const: dout_sclk_peri_uart1 - const: dout_sclk_peri_uart2 - const: dout_sclk_peri_spi0_b - const: dout_sclk_peri_spi1_b - const: dout_sclk_peri_spi2_b - const: dout_aclk_peri_aud required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-egl then: properties: clocks: minItems: 2 maxItems: 2 clock-names: items: - const: fin_pll - const: dout_bus_pll required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-kfc then: properties: clocks: minItems: 2 maxItems: 2 clock-names: items: - const: fin_pll - const: dout_media_pll required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-g2d then: properties: clocks: minItems: 2 maxItems: 2 clock-names: items: - const: fin_pll - const: dout_aclk_g2d_333 required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-mif then: properties: clocks: minItems: 1 maxItems: 1 clock-names: items: - const: fin_pll required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-mfc then: properties: clocks: minItems: 2 maxItems: 2 clock-names: items: - const: fin_pll - const: dout_aclk_mfc_333 required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-g3d then: properties: clocks: minItems: 1 maxItems: 1 clock-names: items: - const: fin_pll required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-fsys then: properties: clocks: minItems: 7 maxItems: 7 clock-names: items: - const: fin_pll - const: phyclk_usbhost20_phy_phyclock - const: phyclk_usbhost20_phy_freeclk - const: phyclk_usbhost20_phy_clk48mohci - const: phyclk_usbdrd30_udrd30_pipe_pclk - const: phyclk_usbdrd30_udrd30_phyclock - const: dout_aclk_fsys_200 required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-aud then: properties: clocks: minItems: 4 maxItems: 4 clock-names: items: - const: fin_pll - const: fout_aud_pll - const: ioclk_i2s_cdclk - const: ioclk_pcm_extclk required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-isp then: properties: clocks: minItems: 4 maxItems: 4 clock-names: items: - const: fin_pll - const: dout_aclk_isp1_266 - const: dout_aclk_isp1_400 - const: mout_aclk_isp1_266 required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-gscl then: properties: clocks: minItems: 3 maxItems: 3 clock-names: items: - const: fin_pll - const: dout_aclk_gscl_400 - const: dout_aclk_gscl_333 required: - clock-names - clocks - if: properties: compatible: contains: const: samsung,exynos5260-clock-disp then: properties: clocks: minItems: 19 maxItems: 19 clock-names: items: - const: fin_pll - const: phyclk_dptx_phy_ch3_txd_clk - const: phyclk_dptx_phy_ch2_txd_clk - const: phyclk_dptx_phy_ch1_txd_clk - const: phyclk_dptx_phy_ch0_txd_clk - const: phyclk_hdmi_phy_tmds_clko - const: phyclk_hdmi_phy_ref_clko - const: phyclk_hdmi_phy_pixel_clko - const: phyclk_hdmi_link_o_tmds_clkhi - const: phyclk_mipi_dphy_4l_m_txbyte_clkhs - const: phyclk_dptx_phy_o_ref_clk_24m - const: phyclk_dptx_phy_clk_div2 - const: phyclk_mipi_dphy_4l_m_rxclkesc0 - const: phyclk_hdmi_phy_ref_cko - const: ioclk_spdif_extclk - const: dout_aclk_peri_aud - const: dout_aclk_disp_222 - const: dout_sclk_disp_pixel - const: dout_aclk_disp_333 required: - clock-names - clocks additionalProperties: false examples: - | #include fin_pll: clock { compatible = "fixed-clock"; clock-output-names = "fin_pll"; #clock-cells = <0>; clock-frequency = <24000000>; }; clock-controller@10010000 { compatible = "samsung,exynos5260-clock-top"; reg = <0x10010000 0x10000>; #clock-cells = <1>; clocks = <&fin_pll>, <&clock_mif MIF_DOUT_MEM_PLL>, <&clock_mif MIF_DOUT_BUS_PLL>, <&clock_mif MIF_DOUT_MEDIA_PLL>; clock-names = "fin_pll", "dout_mem_pll", "dout_bus_pll", "dout_media_pll"; };