[PATCH 3/5] ARM: brcmstb: add misc. DT bindings for brcm,brcmstb
From: Marc C <hidden>
Date: 2013-11-23 01:09:24
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.txtb/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