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Diffstat (limited to 'Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt')
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diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt deleted file mode 100644 index 26410fbb85be..000000000000 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ /dev/null @@ -1,177 +0,0 @@ -Marvell Armada AP806 System Controller -====================================== - -The AP806 is one of the two core HW blocks of the Marvell Armada 7K/8K -SoCs. It contains system controllers, which provide several registers -giving access to numerous features: clocks, pin-muxing and many other -SoC configuration items. This DT binding allows to describe these -system controllers. - -For the top level node: - - compatible: must be: "syscon", "simple-mfd"; - - reg: register area of the AP806 system controller - -SYSTEM CONTROLLER 0 -=================== - -Clocks: -------- - - -The Device Tree node representing the AP806/AP807 system controller -provides a number of clocks: - - - 0: reference clock of CPU cluster 0 - - 1: reference clock of CPU cluster 1 - - 2: fixed PLL at 1200 Mhz - - 3: MSS clock, derived from the fixed PLL - -Required properties: - - - compatible: must be one of: - * "marvell,ap806-clock" - * "marvell,ap807-clock" - - #clock-cells: must be set to 1 - -Pinctrl: --------- - -For common binding part and usage, refer to -Documentation/devicetree/bindings/pinctrl/marvell,mvebu-pinctrl.txt. - -Required properties: -- compatible must be "marvell,ap806-pinctrl", - -Available mpp pins/groups and functions: -Note: brackets (x) are not part of the mpp name for marvell,function and given -only for more detailed description in this document. - -name pins functions -================================================================================ -mpp0 0 gpio, sdio(clk), spi0(clk) -mpp1 1 gpio, sdio(cmd), spi0(miso) -mpp2 2 gpio, sdio(d0), spi0(mosi) -mpp3 3 gpio, sdio(d1), spi0(cs0n) -mpp4 4 gpio, sdio(d2), i2c0(sda) -mpp5 5 gpio, sdio(d3), i2c0(sdk) -mpp6 6 gpio, sdio(ds) -mpp7 7 gpio, sdio(d4), uart1(rxd) -mpp8 8 gpio, sdio(d5), uart1(txd) -mpp9 9 gpio, sdio(d6), spi0(cs1n) -mpp10 10 gpio, sdio(d7) -mpp11 11 gpio, uart0(txd) -mpp12 12 gpio, sdio(pw_off), sdio(hw_rst) -mpp13 13 gpio -mpp14 14 gpio -mpp15 15 gpio -mpp16 16 gpio -mpp17 17 gpio -mpp18 18 gpio -mpp19 19 gpio, uart0(rxd), sdio(pw_off) - -GPIO: ------ -For common binding part and usage, refer to -Documentation/devicetree/bindings/gpio/gpio-mvebu.txt. - -Required properties: - -- compatible: "marvell,armada-8k-gpio" - -- offset: offset address inside the syscon block - -Example: -ap_syscon: system-controller@6f4000 { - compatible = "syscon", "simple-mfd"; - reg = <0x6f4000 0x1000>; - - ap_clk: clock { - compatible = "marvell,ap806-clock"; - #clock-cells = <1>; - }; - - ap_pinctrl: pinctrl { - compatible = "marvell,ap806-pinctrl"; - }; - - ap_gpio: gpio { - compatible = "marvell,armada-8k-gpio"; - offset = <0x1040>; - ngpios = <19>; - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&ap_pinctrl 0 0 19>; - }; -}; - -SYSTEM CONTROLLER 1 -=================== - -Thermal: --------- - -For common binding part and usage, refer to -Documentation/devicetree/bindings/thermal/thermal.txt - -The thermal IP can probe the temperature all around the processor. It -may feature several channels, each of them wired to one sensor. - -It is possible to setup an overheat interrupt by giving at least one -critical point to any subnode of the thermal-zone node. - -Required properties: -- compatible: must be one of: - * marvell,armada-ap806-thermal -- reg: register range associated with the thermal functions. - -Optional properties: -- interrupts: overheat interrupt handle. Should point to line 18 of the - SEI irqchip. See interrupt-controller/interrupts.txt -- #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer - to this IP and represents the channel ID. There is one sensor per - channel. O refers to the thermal IP internal channel, while positive - IDs refer to each CPU. - -Example: -ap_syscon1: system-controller@6f8000 { - compatible = "syscon", "simple-mfd"; - reg = <0x6f8000 0x1000>; - - ap_thermal: thermal-sensor@80 { - compatible = "marvell,armada-ap806-thermal"; - reg = <0x80 0x10>; - interrupt-parent = <&sei>; - interrupts = <18>; - #thermal-sensor-cells = <1>; - }; -}; - -Cluster clocks: ---------------- - -Device Tree Clock bindings for cluster clock of Marvell -AP806/AP807. Each cluster contain up to 2 CPUs running at the same -frequency. - -Required properties: - - compatible: must be one of: - * "marvell,ap806-cpu-clock" - * "marvell,ap807-cpu-clock" -- #clock-cells : should be set to 1. - -- clocks : shall be the input parent clock(s) phandle for the clock - (one per cluster) - -- reg: register range associated with the cluster clocks - -ap_syscon1: system-controller@6f8000 { - compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd"; - reg = <0x6f8000 0x1000>; - - cpu_clk: clock-cpu@278 { - compatible = "marvell,ap806-cpu-clock"; - clocks = <&ap_clk 0>, <&ap_clk 1>; - #clock-cells = <1>; - reg = <0x278 0xa30>; - }; -}; |