diff options
Diffstat (limited to 'Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt index d474f59be6d6..6394ea9e3b9e 100644 --- a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt @@ -5,13 +5,19 @@ Required properties: 1) "samsung,exynos4210-hdmi" 2) "samsung,exynos4212-hdmi" 3) "samsung,exynos5420-hdmi" + 4) "samsung,exynos5433-hdmi" - reg: physical base address of the hdmi and length of memory mapped region. - interrupts: interrupt number to the cpu. -- hpd-gpio: following information about the hotplug gpio pin. +- hpd-gpios: following information about the hotplug gpio pin. a) phandle of the gpio controller node. b) pin number within the gpio controller. c) optional flags and pull up/down. +- ddc: phandle to the hdmi ddc node +- phy: phandle to the hdmi phy node +- samsung,syscon-phandle: phandle for system controller node for PMU. + +Required properties for Exynos 4210, 4212, 5420 and 5433: - clocks: list of clock IDs from SoC clock driver. a) hdmi: Gate of HDMI IP bus clock. b) sclk_hdmi: Gate of HDMI special clock. @@ -25,9 +31,24 @@ Required properties: sclk_pixel. - clock-names: aliases as per driver requirements for above clock IDs: "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi". -- ddc: phandle to the hdmi ddc node -- phy: phandle to the hdmi phy node -- samsung,syscon-phandle: phandle for system controller node for PMU. + +Required properties for Exynos 5433: +- clocks: list of clock specifiers according to common clock bindings. + a) hdmi_pclk: Gate of HDMI IP APB bus. + b) hdmi_i_pclk: Gate of HDMI-PHY IP APB bus. + d) i_tmds_clk: Gate of HDMI TMDS clock. + e) i_pixel_clk: Gate of HDMI pixel clock. + f) i_spdif_clk: Gate of HDMI SPDIF clock. + g) oscclk: Oscillator clock, used as parent of following *_user clocks + in case HDMI-PHY is not operational. + h) tmds_clko: TMDS clock generated by HDMI-PHY. + i) tmds_clko_user: MUX used to switch between oscclk and tmds_clko, + respectively if HDMI-PHY is off and operational. + j) pixel_clko: Pixel clock generated by HDMI-PHY. + k) pixel_clko_user: MUX used to switch between oscclk and pixel_clko, + respectively if HDMI-PHY is off and operational. +- clock-names: aliases for above clock specfiers. +- samsung,sysreg: handle to syscon used to control the system registers. Example: @@ -35,7 +56,7 @@ Example: compatible = "samsung,exynos4212-hdmi"; reg = <0x14530000 0x100000>; interrupts = <0 95 0>; - hpd-gpio = <&gpx3 7 1>; + hpd-gpios = <&gpx3 7 1>; ddc = <&hdmi_ddc_node>; phy = <&hdmi_phy_node>; samsung,syscon-phandle = <&pmu_system_controller>; |