diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm/bcm')
11 files changed, 113 insertions, 54 deletions
diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351-cpu-method b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351-cpu-method.txt index 8240c023e202..8240c023e202 100644 --- a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351-cpu-method +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351-cpu-method.txt diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm11351.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351.txt index 0ff6560e6094..0ff6560e6094 100644 --- a/Documentation/devicetree/bindings/arm/bcm/bcm11351.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351.txt diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm21664.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm21664.txt index e0774255e1a6..e0774255e1a6 100644 --- a/Documentation/devicetree/bindings/arm/bcm/bcm21664.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm21664.txt diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt new file mode 100644 index 000000000000..ac683480c486 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt @@ -0,0 +1,8 @@ +Broadcom BCM2835 device tree bindings +------------------------------------------- + +Boards with the BCM2835 SoC shall have the following properties: + +Required root node property: + +compatible = "brcm,bcm2835"; diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.txt new file mode 100644 index 000000000000..6b0f49f6f499 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.txt @@ -0,0 +1,8 @@ +Broadcom BCM4708 device tree bindings +------------------------------------------- + +Boards with the BCM4708 SoC shall have the following properties: + +Required root node property: + +compatible = "brcm,bcm4708"; diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm63138.txt index bd49987a8812..bd49987a8812 100644 --- a/Documentation/devicetree/bindings/arm/bcm/bcm63138.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm63138.txt diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt new file mode 100644 index 000000000000..430608ec09f0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt @@ -0,0 +1,97 @@ +ARM Broadcom STB platforms Device Tree Bindings +----------------------------------------------- +Boards with Broadcom Brahma15 ARM-based BCMxxxx (generally BCM7xxx variants) +SoC shall have the following DT organization: + +Required root node properties: + - compatible: "brcm,bcm<chip_id>", "brcm,brcmstb" + +example: +/ { + #address-cells = <2>; + #size-cells = <2>; + model = "Broadcom STB (bcm7445)"; + compatible = "brcm,bcm7445", "brcm,brcmstb"; + +Further, syscon nodes that map platform-specific registers used for general +system control is required: + + - compatible: "brcm,bcm<chip_id>-sun-top-ctrl", "syscon" + - compatible: "brcm,bcm<chip_id>-hif-cpubiuctrl", "syscon" + - compatible: "brcm,bcm<chip_id>-hif-continuation", "syscon" + +example: + rdb { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges = <0 0x00 0xf0000000 0x1000000>; + + sun_top_ctrl: syscon@404000 { + compatible = "brcm,bcm7445-sun-top-ctrl", "syscon"; + reg = <0x404000 0x51c>; + }; + + hif_cpubiuctrl: syscon@3e2400 { + compatible = "brcm,bcm7445-hif-cpubiuctrl", "syscon"; + reg = <0x3e2400 0x5b4>; + }; + + hif_continuation: syscon@452000 { + compatible = "brcm,bcm7445-hif-continuation", "syscon"; + reg = <0x452000 0x100>; + }; + }; + +Lastly, nodes that allow for support of SMP initialization and reboot are +required: + +smpboot +------- +Required properties: + + - compatible + The string "brcm,brcmstb-smpboot". + + - syscon-cpu + A phandle / integer array property which lets the BSP know the location + of certain CPU power-on registers. + + The layout of the property is as follows: + o a phandle to the "hif_cpubiuctrl" syscon node + o offset to the base CPU power zone register + o offset to the base CPU reset register + + - syscon-cont + A phandle pointing to the syscon node which describes the CPU boot + continuation registers. + o a phandle to the "hif_continuation" syscon node + +example: + smpboot { + compatible = "brcm,brcmstb-smpboot"; + syscon-cpu = <&hif_cpubiuctrl 0x88 0x178>; + syscon-cont = <&hif_continuation>; + }; + +reboot +------- +Required properties + + - compatible + The string property "brcm,brcmstb-reboot" for 40nm/28nm chips with + the new SYS_CTRL interface, or "brcm,bcm7038-reboot" for 65nm + chips with the old SUN_TOP_CTRL interface. + + - syscon + A phandle / integer array that points to the syscon node which describes + the general system reset registers. + o a phandle to "sun_top_ctrl" + o offset to the "reset source enable" register + o offset to the "software master reset" register + +example: + reboot { + compatible = "brcm,brcmstb-reboot"; + syscon = <&sun_top_ctrl 0x304 0x308>; + }; diff --git a/Documentation/devicetree/bindings/arm/bcm/cygnus.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt index 4c77169bb534..4c77169bb534 100644 --- a/Documentation/devicetree/bindings/arm/bcm/cygnus.txt +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt diff --git a/Documentation/devicetree/bindings/arm/bcm/kona-resetmgr.txt b/Documentation/devicetree/bindings/arm/bcm/kona-resetmgr.txt deleted file mode 100644 index 93f31ca1ef4b..000000000000 --- a/Documentation/devicetree/bindings/arm/bcm/kona-resetmgr.txt +++ /dev/null @@ -1,14 +0,0 @@ -Broadcom Kona Family Reset Manager ----------------------------------- - -The reset manager is used on the Broadcom BCM21664 SoC. - -Required properties: - - compatible: brcm,bcm21664-resetmgr - - reg: memory address & range - -Example: - brcm,resetmgr@35001f00 { - compatible = "brcm,bcm21664-resetmgr"; - reg = <0x35001f00 0x24>; - }; diff --git a/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt b/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt deleted file mode 100644 index 39adf54b4388..000000000000 --- a/Documentation/devicetree/bindings/arm/bcm/kona-timer.txt +++ /dev/null @@ -1,25 +0,0 @@ -Broadcom Kona Family timer ------------------------------------------------------ -This timer is used in the following Broadcom SoCs: - BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 - -Required properties: -- compatible : "brcm,kona-timer" -- DEPRECATED: compatible : "bcm,kona-timer" -- reg : Register range for the timer -- interrupts : interrupt for the timer -- clocks: phandle + clock specifier pair of the external clock -- clock-frequency: frequency that the clock operates - -Only one of clocks or clock-frequency should be specified. - -Refer to clocks/clock-bindings.txt for generic clock consumer properties. - -Example: - timer@35006000 { - compatible = "brcm,kona-timer"; - reg = <0x35006000 0x1000>; - interrupts = <0x0 7 0x4>; - clocks = <&hub_timer_clk>; - }; - diff --git a/Documentation/devicetree/bindings/arm/bcm/kona-wdt.txt b/Documentation/devicetree/bindings/arm/bcm/kona-wdt.txt deleted file mode 100644 index 2b86a00e351d..000000000000 --- a/Documentation/devicetree/bindings/arm/bcm/kona-wdt.txt +++ /dev/null @@ -1,15 +0,0 @@ -Broadcom Kona Family Watchdog Timer ------------------------------------ - -This watchdog timer is used in the following Broadcom SoCs: - BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 - -Required properties: - - compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt"; - - reg: memory address & range - -Example: - watchdog@35002f40 { - compatible = "brcm,bcm11351-wdt", "brcm,kona-wdt"; - reg = <0x35002f40 0x6c>; - }; |
