diff options
Diffstat (limited to 'Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt b/Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt index 6786d6715df0..98474f2accca 100644 --- a/Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt +++ b/Documentation/devicetree/bindings/soc/xilinx/xlnx,vcu.txt @@ -16,16 +16,60 @@ Required properties: 1. vcu slcr 2. Logicore reg-names should contain name for the each register sequence. -- clocks: phandle for aclk and pll_ref clocksource -- clock-names: The identification string, "aclk", is always required for - the axi clock. "pll_ref" is required for pll. +- #clock-cells : Must be 1 +- clocks: phandle for aclk, pll_ref and encoder/decoder clocksources +- clock-names: The identification string, + * "aclk", is always required for the axi clock. + * "pll_ref" is required for pll. + * "vcu_core_enc" is required for VCU core encoder. + * "vcu_core_dec" is required for VCU core decoder. + * "vcu_mcu_enc" is required for MCU core encoder. + * "vcu_mcu_dec" is required for MCU core decoder. +- ranges +- VCU Init driver node define the following child nodes: + * Allegro encoder driver node + - compatible: Must be "al,al5e" + - reg: There is a one set of register. + - interrupts: interrupt number to the cpu. + - interrupt-parent: the phandle for the interrupt controller + that services interrupts for this device. + * Allegro decoder driver node + - compatible: Must be "al,al5d" + - reg: There is a one set of register. + - interrupts: interrupt number to the cpu. + - interrupt-parent: the phandle for the interrupt controller + that services interrupts for this device. + +Optional properties: +- reset-gpios : The GPIO used to reset the VCU, if available. Need use this + reset gpio when in design 'vcu_resetn' is driven by gpio. See + Documentation/devicetree/bindings/gpio/gpio.txt for details. + Example: xlnx_vcu: vcu@a0040000 { compatible = "xlnx,vcu-logicoreip-1.0"; + #address-cells = <2>; + #size-cells = <2>; reg = <0x0 0xa0040000 0x0 0x1000>, <0x0 0xa0041000 0x0 0x1000>; reg-names = "vcu_slcr", "logicore"; - clocks = <&si570_1>, <&clkc 71>; - clock-names = "pll_ref", "aclk"; + reset-gpios = <&gpio 0x4e GPIO_ACTIVE_HIGH>; + #clock-cells = <0x1>; + clock-names = "pll_ref", "aclk", "vcu_core_enc", "vcu_core_dec", "vcu_mcu_enc", "vcu_mcu_dec"; + clocks = <&si570_1>, <&clkc 71>, <&xlnx_vcu 1>, <&xlnx_vcu 2>, <&xlnx_vcu 3>, <&xlnx_vcu 4>; + ranges; + encoder: al5e@a0000000 { + compatible = "al,al5e"; + reg = <0x0 0xa0000000 0x0 0x10000>; + interrupts = <0 89 4>; + interrupt-parent = <&gic>; + }; + + decoder: al5d@a0020000 { + compatible = "al,al5d"; + reg = <0x0 0xa0020000 0x0 0x10000>; + interrupts = <0 89 4>; + interrupt-parent = <&gic>; + }; }; |