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Diffstat (limited to 'dts/upstream/Bindings/clock/nuvoton,npcm750-clk.txt')
| -rw-r--r-- | dts/upstream/Bindings/clock/nuvoton,npcm750-clk.txt | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/dts/upstream/Bindings/clock/nuvoton,npcm750-clk.txt b/dts/upstream/Bindings/clock/nuvoton,npcm750-clk.txt deleted file mode 100644 index f82064546d1..00000000000 --- a/dts/upstream/Bindings/clock/nuvoton,npcm750-clk.txt +++ /dev/null @@ -1,100 +0,0 @@ -* Nuvoton NPCM7XX Clock Controller - -Nuvoton Poleg BMC NPCM7XX contains an integrated clock controller, which -generates and supplies clocks to all modules within the BMC. - -External clocks: - -There are six fixed clocks that are generated outside the BMC. All clocks are of -a known fixed value that cannot be changed. clk_refclk, clk_mcbypck and -clk_sysbypck are inputs to the clock controller. -clk_rg1refck, clk_rg2refck and clk_xin are external clocks suppling the -network. They are set on the device tree, but not used by the clock module. The -network devices use them directly. -Example can be found below. - -All available clocks are defined as preprocessor macros in: -dt-bindings/clock/nuvoton,npcm7xx-clock.h -and can be reused as DT sources. - -Required Properties of clock controller: - - - compatible: "nuvoton,npcm750-clk" : for clock controller of Nuvoton - Poleg BMC NPCM750 - - - reg: physical base address of the clock controller and length of - memory mapped region. - - - #clock-cells: should be 1. - -Example: Clock controller node: - - clk: clock-controller@f0801000 { - compatible = "nuvoton,npcm750-clk"; - #clock-cells = <1>; - reg = <0xf0801000 0x1000>; - clock-names = "refclk", "sysbypck", "mcbypck"; - clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>; - }; - -Example: Required external clocks for network: - - /* external reference clock */ - clk_refclk: clk-refclk { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <25000000>; - clock-output-names = "refclk"; - }; - - /* external reference clock for cpu. float in normal operation */ - clk_sysbypck: clk-sysbypck { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <800000000>; - clock-output-names = "sysbypck"; - }; - - /* external reference clock for MC. float in normal operation */ - clk_mcbypck: clk-mcbypck { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <800000000>; - clock-output-names = "mcbypck"; - }; - - /* external clock signal rg1refck, supplied by the phy */ - clk_rg1refck: clk-rg1refck { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <125000000>; - clock-output-names = "clk_rg1refck"; - }; - - /* external clock signal rg2refck, supplied by the phy */ - clk_rg2refck: clk-rg2refck { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <125000000>; - clock-output-names = "clk_rg2refck"; - }; - - clk_xin: clk-xin { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <50000000>; - clock-output-names = "clk_xin"; - }; - - -Example: GMAC controller node that consumes two clocks: a generated clk by the -clock controller and a fixed clock from DT (clk_rg1refck). - - ethernet0: ethernet@f0802000 { - compatible = "snps,dwmac"; - reg = <0xf0802000 0x2000>; - interrupts = <0 14 4>; - interrupt-names = "macirq"; - clocks = <&clk_rg1refck>, <&clk NPCM7XX_CLK_AHB>; - clock-names = "stmmaceth", "clk_gmac"; - }; |
