[PATCH v2 4/6] ARM: brcmstb: add misc. DT bindings for brcm,brcmstb
From: Marc Carino <hidden>
Date: 2013-11-27 00:23:37
Also in:
lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Document the bindings that the Broadcom STB platform needs for proper bootup. Signed-off-by: Marc Carino <redacted> Acked-by: Florian Fainelli <f.fainelli@gmail.com> --- .../devicetree/bindings/arm/brcm-brcmstb.txt | 72 ++++++++++++++++++++ 1 files changed, 72 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/brcm-brcmstb.txt
diff --git a/Documentation/devicetree/bindings/arm/brcm-brcmstb.txt b/Documentation/devicetree/bindings/arm/brcm-brcmstb.txt
new file mode 100644
index 0000000..2f3cd50
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/brcm-brcmstb.txt@@ -0,0 +1,72 @@ +Broadcom STB platforms Device Tree Bindings +------------------------------------------- +Boards with Broadcom Brahma15-based BCM7xxx SOC shall have the following +properties. + +Required root node properties: + - compatible = "brcm,brcmstb"; + +Further, the following platform nodes shall be defined: + + - sun-top-ctrl + - cpu-biu-ctrl + - hif-continuation + +sun-top-ctrl +------------ +This node describes the register block which is used for generic reset control. + + - compatible: "brcm,brcmstb-sun-top-ctrl" + - properties: + o reg = <base_of_sun_top_ctrl_regs length>; + o reset-source-enable-reg = <offset_from_base>; + o sw-master-reset-reg = <offset_from_base>; + +cpu-biu-ctrl +------------ +This node describes the register block used for configuring the CPU complex. + + - compatible: "brcm,brcmstb-cpu-biu-ctrl" + - properties: + o reg = <base_of_cpu_biu_ctrl_regs length>; + o cpu-reset-config-reg = <offset_from_base>; + o cpu0-pwr-zone-ctrl-reg = <offset_from_base>; + +hif-continuation +---------------- +This node describes the registers for setting the starting PC for each CPU core. + + - compatible: "brcm,brcmstb-hif-continuation" + - properties: + o reg = <base_of_hif_continuation_regs length>; + o stb-boot-hi-addr0-reg = <offset_from_base>; + +example: + +/ { + model = "Broadcom STB"; + compatible = "brcm,brcmstb"; + + /* snip */ + + sun-top-ctrl at f0404000 { + compatible = "brcm,brcmstb-sun-top-ctrl"; + reg = <0xf0404000 0x51c>; + reset-source-enable-reg = <0x304>; + sw-master-reset-reg = <0x308>; + }; + + cpu-biu-ctrl at f0442400 { + compatible = "brcm,brcmstb-cpu-biu-ctrl"; + reg = <0xf0442400 0x5b4>; + cpu-reset-config-reg = <0x178>; + cpu0-pwr-zone-ctrl-reg = <0x88>; + }; + + hif-continuation at f0452000 { + compatible = "brcm,brcmstb-hif-continuation"; + reg = <0xf0452000 0x100>; + }; + + /* snip */ +};
--
1.7.1