383 lines
9.6 KiB
YAML
383 lines
9.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/samsung,exynos5260-clock.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung Exynos5260 SoC clock controller
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maintainers:
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- Chanwoo Choi <cw00.choi@samsung.com>
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- Krzysztof Kozlowski <krzk@kernel.org>
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- Sylwester Nawrocki <s.nawrocki@samsung.com>
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- Tomasz Figa <tomasz.figa@gmail.com>
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description: |
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Expected external clocks, defined in DTS as fixed-rate clocks with a matching
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name::
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- "fin_pll" - PLL input clock from XXTI
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- "xrtcxti" - input clock from XRTCXTI
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- "ioclk_pcm_extclk" - pcm external operation clock
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- "ioclk_spdif_extclk" - spdif external operation clock
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- "ioclk_i2s_cdclk" - i2s0 codec clock
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Phy clocks::
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There are several clocks which are generated by specific PHYs. These clocks
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are fed into the clock controller and then routed to the hardware blocks.
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These clocks are defined as fixed clocks in the driver with following names::
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- "phyclk_dptx_phy_ch3_txd_clk" - dp phy clock for channel 3
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- "phyclk_dptx_phy_ch2_txd_clk" - dp phy clock for channel 2
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- "phyclk_dptx_phy_ch1_txd_clk" - dp phy clock for channel 1
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- "phyclk_dptx_phy_ch0_txd_clk" - dp phy clock for channel 0
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- "phyclk_hdmi_phy_tmds_clko" - hdmi phy tmds clock
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- "phyclk_hdmi_phy_pixel_clko" - hdmi phy pixel clock
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- "phyclk_hdmi_link_o_tmds_clkhi" - hdmi phy for hdmi link
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- "phyclk_dptx_phy_o_ref_clk_24m" - dp phy reference clock
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- "phyclk_dptx_phy_clk_div2"
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- "phyclk_mipi_dphy_4l_m_rxclkesc0"
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- "phyclk_usbhost20_phy_phyclock" - usb 2.0 phy clock
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- "phyclk_usbhost20_phy_freeclk"
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- "phyclk_usbhost20_phy_clk48mohci"
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- "phyclk_usbdrd30_udrd30_pipe_pclk"
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- "phyclk_usbdrd30_udrd30_phyclock" - usb 3.0 phy clock
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All available clocks are defined as preprocessor macros in
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include/dt-bindings/clock/exynos5260-clk.h header.
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properties:
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compatible:
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enum:
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- samsung,exynos5260-clock-top
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- samsung,exynos5260-clock-peri
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- samsung,exynos5260-clock-egl
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- samsung,exynos5260-clock-kfc
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- samsung,exynos5260-clock-g2d
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- samsung,exynos5260-clock-mif
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- samsung,exynos5260-clock-mfc
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- samsung,exynos5260-clock-g3d
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- samsung,exynos5260-clock-fsys
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- samsung,exynos5260-clock-aud
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- samsung,exynos5260-clock-isp
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- samsung,exynos5260-clock-gscl
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- samsung,exynos5260-clock-disp
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clocks:
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minItems: 1
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maxItems: 19
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clock-names:
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minItems: 1
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maxItems: 19
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"#clock-cells":
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const: 1
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reg:
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maxItems: 1
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required:
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- compatible
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- "#clock-cells"
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- reg
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-top
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then:
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properties:
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clocks:
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minItems: 4
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maxItems: 4
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clock-names:
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items:
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- const: fin_pll
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- const: dout_mem_pll
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- const: dout_bus_pll
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- const: dout_media_pll
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-peri
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then:
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properties:
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clocks:
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minItems: 13
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maxItems: 13
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clock-names:
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items:
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- const: fin_pll
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- const: ioclk_pcm_extclk
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- const: ioclk_i2s_cdclk
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- const: ioclk_spdif_extclk
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- const: phyclk_hdmi_phy_ref_cko
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- const: dout_aclk_peri_66
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- const: dout_sclk_peri_uart0
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- const: dout_sclk_peri_uart1
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- const: dout_sclk_peri_uart2
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- const: dout_sclk_peri_spi0_b
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- const: dout_sclk_peri_spi1_b
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- const: dout_sclk_peri_spi2_b
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- const: dout_aclk_peri_aud
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-egl
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: fin_pll
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- const: dout_bus_pll
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-kfc
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: fin_pll
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- const: dout_media_pll
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-g2d
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: fin_pll
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- const: dout_aclk_g2d_333
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-mif
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then:
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properties:
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clocks:
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minItems: 1
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maxItems: 1
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clock-names:
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items:
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- const: fin_pll
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-mfc
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: fin_pll
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- const: dout_aclk_mfc_333
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-g3d
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then:
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properties:
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clocks:
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minItems: 1
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maxItems: 1
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clock-names:
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items:
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- const: fin_pll
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-fsys
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then:
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properties:
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clocks:
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minItems: 7
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maxItems: 7
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clock-names:
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items:
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- const: fin_pll
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- const: phyclk_usbhost20_phy_phyclock
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- const: phyclk_usbhost20_phy_freeclk
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- const: phyclk_usbhost20_phy_clk48mohci
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- const: phyclk_usbdrd30_udrd30_pipe_pclk
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- const: phyclk_usbdrd30_udrd30_phyclock
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- const: dout_aclk_fsys_200
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-aud
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then:
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properties:
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clocks:
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minItems: 4
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maxItems: 4
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clock-names:
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items:
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- const: fin_pll
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- const: fout_aud_pll
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- const: ioclk_i2s_cdclk
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- const: ioclk_pcm_extclk
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-isp
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then:
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properties:
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clocks:
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minItems: 4
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maxItems: 4
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clock-names:
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items:
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- const: fin_pll
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- const: dout_aclk_isp1_266
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- const: dout_aclk_isp1_400
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- const: mout_aclk_isp1_266
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-gscl
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then:
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properties:
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clocks:
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minItems: 3
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maxItems: 3
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clock-names:
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items:
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- const: fin_pll
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- const: dout_aclk_gscl_400
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- const: dout_aclk_gscl_333
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required:
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- clock-names
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- clocks
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5260-clock-disp
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then:
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properties:
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clocks:
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minItems: 19
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maxItems: 19
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clock-names:
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items:
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- const: fin_pll
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- const: phyclk_dptx_phy_ch3_txd_clk
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- const: phyclk_dptx_phy_ch2_txd_clk
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- const: phyclk_dptx_phy_ch1_txd_clk
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- const: phyclk_dptx_phy_ch0_txd_clk
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- const: phyclk_hdmi_phy_tmds_clko
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- const: phyclk_hdmi_phy_ref_clko
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- const: phyclk_hdmi_phy_pixel_clko
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- const: phyclk_hdmi_link_o_tmds_clkhi
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- const: phyclk_mipi_dphy_4l_m_txbyte_clkhs
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- const: phyclk_dptx_phy_o_ref_clk_24m
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- const: phyclk_dptx_phy_clk_div2
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- const: phyclk_mipi_dphy_4l_m_rxclkesc0
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- const: phyclk_hdmi_phy_ref_cko
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- const: ioclk_spdif_extclk
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- const: dout_aclk_peri_aud
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- const: dout_aclk_disp_222
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- const: dout_sclk_disp_pixel
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- const: dout_aclk_disp_333
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required:
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- clock-names
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- clocks
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/exynos5260-clk.h>
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fin_pll: clock {
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compatible = "fixed-clock";
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clock-output-names = "fin_pll";
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#clock-cells = <0>;
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clock-frequency = <24000000>;
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};
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clock-controller@10010000 {
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compatible = "samsung,exynos5260-clock-top";
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reg = <0x10010000 0x10000>;
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#clock-cells = <1>;
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clocks = <&fin_pll>,
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<&clock_mif MIF_DOUT_MEM_PLL>,
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<&clock_mif MIF_DOUT_BUS_PLL>,
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<&clock_mif MIF_DOUT_MEDIA_PLL>;
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clock-names = "fin_pll",
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"dout_mem_pll",
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"dout_bus_pll",
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"dout_media_pll";
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};
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