diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/sun8i-de2.txt | 31 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/sunxi-ccu.txt | 5 |
2 files changed, 35 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/clock/sun8i-de2.txt b/Documentation/devicetree/bindings/clock/sun8i-de2.txt new file mode 100644 index 000000000000..631d27cd89d6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/sun8i-de2.txt @@ -0,0 +1,31 @@ +Allwinner Display Engine 2.0 Clock Control Binding +-------------------------------------------------- + +Required properties : +- compatible: must contain one of the following compatibles: + - "allwinner,sun8i-a83t-de2-clk" + - "allwinner,sun8i-v3s-de2-clk" + - "allwinner,sun50i-h5-de2-clk" + +- reg: Must contain the registers base address and length +- clocks: phandle to the clocks feeding the display engine subsystem. + Three are needed: + - "mod": the display engine module clock + - "bus": the bus clock for the whole display engine subsystem +- clock-names: Must contain the clock names described just above +- resets: phandle to the reset control for the display engine subsystem. +- #clock-cells : must contain 1 +- #reset-cells : must contain 1 + +Example: +de2_clocks: clock@1000000 { + compatible = "allwinner,sun8i-a83t-de2-clk"; + reg = <0x01000000 0x100000>; + clocks = <&ccu CLK_BUS_DE>, + <&ccu CLK_DE>; + clock-names = "bus", + "mod"; + resets = <&ccu RST_BUS_DE>; + #clock-cells = <1>; + #reset-cells = <1>; +}; diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index f465647a4dd2..df9fad58facd 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -6,6 +6,8 @@ Required properties : - "allwinner,sun6i-a31-ccu" - "allwinner,sun8i-a23-ccu" - "allwinner,sun8i-a33-ccu" + - "allwinner,sun8i-a83t-ccu" + - "allwinner,sun8i-a83t-r-ccu" - "allwinner,sun8i-h3-ccu" - "allwinner,sun8i-h3-r-ccu" - "allwinner,sun8i-v3s-ccu" @@ -18,11 +20,12 @@ Required properties : - clocks: phandle to the oscillators feeding the CCU. Two are needed: - "hosc": the high frequency oscillator (usually at 24MHz) - "losc": the low frequency oscillator (usually at 32kHz) + On the A83T, this is the internal 16MHz oscillator divided by 512 - clock-names: Must contain the clock names described just above - #clock-cells : must contain 1 - #reset-cells : must contain 1 -For the PRCM CCUs on H3/A64, two more clocks are needed: +For the PRCM CCUs on A83T/H3/A64, two more clocks are needed: - "pll-periph": the SoC's peripheral PLL from the main CCU - "iosc": the SoC's internal frequency oscillator |