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| -rw-r--r-- | Documentation/devicetree/bindings/clock/exynos5260-clock.txt | 190 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/samsung,exynos5260-clock.yaml | 382 |
2 files changed, 382 insertions, 190 deletions
diff --git a/Documentation/devicetree/bindings/clock/exynos5260-clock.txt b/Documentation/devicetree/bindings/clock/exynos5260-clock.txt deleted file mode 100644 index c79d31f7f66e..000000000000 --- a/Documentation/devicetree/bindings/clock/exynos5260-clock.txt +++ /dev/null @@ -1,190 +0,0 @@ -* Samsung Exynos5260 Clock Controller - -Exynos5260 has 13 clock controllers which are instantiated -independently from the device-tree. These clock controllers -generate and supply clocks to various hardware blocks within -the SoC. - -Each clock is assigned an identifier and client nodes can use -this identifier to specify the clock which they consume. All -available clocks are defined as preprocessor macros in -dt-bindings/clock/exynos5260-clk.h header and can be used in -device tree sources. - -External clocks: - -There are several clocks that are generated outside the SoC. It -is expected that they are defined using standard clock bindings -with following clock-output-names: - - - "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 - -Required Properties for Clock Controller: - - - compatible: should be one of the following. - 1) "samsung,exynos5260-clock-top" - 2) "samsung,exynos5260-clock-peri" - 3) "samsung,exynos5260-clock-egl" - 4) "samsung,exynos5260-clock-kfc" - 5) "samsung,exynos5260-clock-g2d" - 6) "samsung,exynos5260-clock-mif" - 7) "samsung,exynos5260-clock-mfc" - 8) "samsung,exynos5260-clock-g3d" - 9) "samsung,exynos5260-clock-fsys" - 10) "samsung,exynos5260-clock-aud" - 11) "samsung,exynos5260-clock-isp" - 12) "samsung,exynos5260-clock-gscl" - 13) "samsung,exynos5260-clock-disp" - - - reg: physical base address of the controller and the length of - memory mapped region. - - - #clock-cells: should be 1. - - - clocks: list of clock identifiers which are fed as the input to - the given clock controller. Please refer the next section to find - the input clocks for a given controller. - - - clock-names: list of names of clocks which are fed as the input - to the given clock controller. - -Input clocks for top clock controller: - - fin_pll - - dout_mem_pll - - dout_bus_pll - - dout_media_pll - -Input clocks for peri clock controller: - - fin_pll - - ioclk_pcm_extclk - - ioclk_i2s_cdclk - - ioclk_spdif_extclk - - phyclk_hdmi_phy_ref_cko - - dout_aclk_peri_66 - - dout_sclk_peri_uart0 - - dout_sclk_peri_uart1 - - dout_sclk_peri_uart2 - - dout_sclk_peri_spi0_b - - dout_sclk_peri_spi1_b - - dout_sclk_peri_spi2_b - - dout_aclk_peri_aud - - dout_sclk_peri_spi0_b - -Input clocks for egl clock controller: - - fin_pll - - dout_bus_pll - -Input clocks for kfc clock controller: - - fin_pll - - dout_media_pll - -Input clocks for g2d clock controller: - - fin_pll - - dout_aclk_g2d_333 - -Input clocks for mif clock controller: - - fin_pll - -Input clocks for mfc clock controller: - - fin_pll - - dout_aclk_mfc_333 - -Input clocks for g3d clock controller: - - fin_pll - -Input clocks for fsys clock controller: - - fin_pll - - phyclk_usbhost20_phy_phyclock - - phyclk_usbhost20_phy_freeclk - - phyclk_usbhost20_phy_clk48mohci - - phyclk_usbdrd30_udrd30_pipe_pclk - - phyclk_usbdrd30_udrd30_phyclock - - dout_aclk_fsys_200 - -Input clocks for aud clock controller: - - fin_pll - - fout_aud_pll - - ioclk_i2s_cdclk - - ioclk_pcm_extclk - -Input clocks for isp clock controller: - - fin_pll - - dout_aclk_isp1_266 - - dout_aclk_isp1_400 - - mout_aclk_isp1_266 - -Input clocks for gscl clock controller: - - fin_pll - - dout_aclk_gscl_400 - - dout_aclk_gscl_333 - -Input clocks for disp clock controller: - - fin_pll - - phyclk_dptx_phy_ch3_txd_clk - - phyclk_dptx_phy_ch2_txd_clk - - phyclk_dptx_phy_ch1_txd_clk - - phyclk_dptx_phy_ch0_txd_clk - - phyclk_hdmi_phy_tmds_clko - - phyclk_hdmi_phy_ref_clko - - phyclk_hdmi_phy_pixel_clko - - phyclk_hdmi_link_o_tmds_clkhi - - phyclk_mipi_dphy_4l_m_txbyte_clkhs - - phyclk_dptx_phy_o_ref_clk_24m - - phyclk_dptx_phy_clk_div2 - - phyclk_mipi_dphy_4l_m_rxclkesc0 - - phyclk_hdmi_phy_ref_cko - - ioclk_spdif_extclk - - dout_aclk_peri_aud - - dout_aclk_disp_222 - - dout_sclk_disp_pixel - - dout_aclk_disp_333 - -Example 1: An example of a clock controller node is listed below. - - clock_mfc: clock-controller@11090000 { - compatible = "samsung,exynos5260-clock-mfc"; - clock = <&fin_pll>, <&clock_top TOP_DOUT_ACLK_MFC_333>; - clock-names = "fin_pll", "dout_aclk_mfc_333"; - reg = <0x11090000 0x10000>; - #clock-cells = <1>; - }; - -Example 2: UART controller node that consumes the clock generated by the - peri clock controller. Refer to the standard clock bindings for - information about 'clocks' and 'clock-names' property. - - serial@12c00000 { - compatible = "samsung,exynos4210-uart"; - reg = <0x12C00000 0x100>; - interrupts = <0 146 0>; - clocks = <&clock_peri PERI_PCLK_UART0>, <&clock_peri PERI_SCLK_UART0>; - clock-names = "uart", "clk_uart_baud0"; - }; - diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos5260-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos5260-clock.yaml new file mode 100644 index 000000000000..a3fac5c6809d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos5260-clock.yaml @@ -0,0 +1,382 @@ +# 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 <cw00.choi@samsung.com> + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + - Sylwester Nawrocki <s.nawrocki@samsung.com> + - Tomasz Figa <tomasz.figa@gmail.com> + +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 <dt-bindings/clock/exynos5260-clk.h> + + 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"; + }; |