diff options
Diffstat (limited to 'Documentation/devicetree/bindings/bus/ti-sysc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/bus/ti-sysc.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bus/ti-sysc.txt b/Documentation/devicetree/bindings/bus/ti-sysc.txt index fb1790e39398..2957a9ae291f 100644 --- a/Documentation/devicetree/bindings/bus/ti-sysc.txt +++ b/Documentation/devicetree/bindings/bus/ti-sysc.txt @@ -19,6 +19,7 @@ Required standard properties: - compatible shall be one of the following generic types: + "ti,sysc" "ti,sysc-omap2" "ti,sysc-omap4" "ti,sysc-omap4-simple" @@ -26,6 +27,8 @@ Required standard properties: or one of the following derivative types for hardware needing special workarounds: + "ti,sysc-omap2-timer" + "ti,sysc-omap4-timer" "ti,sysc-omap3430-sr" "ti,sysc-omap3630-sr" "ti,sysc-omap4-sr" @@ -49,6 +52,26 @@ Required standard properties: Optional properties: +- ti,sysc-mask shall contain mask of supported register bits for the + SYSCONFIG register as documented in the Technical Reference + Manual (TRM) for the interconnect target module + +- ti,sysc-midle list of master idle modes supported by the interconnect + target module as documented in the TRM for SYSCONFIG + register MIDLEMODE bits + +- ti,sysc-sidle list of slave idle modes supported by the interconnect + target module as documented in the TRM for SYSCONFIG + register SIDLEMODE bits + +- ti,sysc-delay-us delay needed after OCP softreset before accssing + SYSCONFIG register again + +- ti,syss-mask optional mask of reset done status bits as described in the + TRM for SYSSTATUS registers, typically 1 with some devices + having separate reset done bits for children like OHCI and + EHCI + - clocks clock specifier for each name in the clock-names as specified in the binding documentation for ti-clkctrl, typically available for all interconnect targets on TI SoCs @@ -61,6 +84,9 @@ Optional properties: - ti,hwmods optional TI interconnect module name to use legacy hwmod platform data +- ti,no-reset-on-init interconnect target module should not be reset at init + +- ti,no-idle-on-init interconnect target module should not be idled at init Example: Single instance of MUSB controller on omap4 using interconnect ranges using offsets from l4_cfg second segment (0x4a000000 + 0x80000 = 0x4a0ab000): @@ -74,6 +100,17 @@ using offsets from l4_cfg second segment (0x4a000000 + 0x80000 = 0x4a0ab000): reg-names = "rev", "sysc", "syss"; clocks = <&l3_init_clkctrl OMAP4_USB_OTG_HS_CLKCTRL 0>; clock-names = "fck"; + ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP | + SYSC_OMAP2_SOFTRESET | + SYSC_OMAP2_AUTOIDLE)>; + ti,sysc-midle = <SYSC_IDLE_FORCE>, + <SYSC_IDLE_NO>, + <SYSC_IDLE_SMART>; + ti,sysc-sidle = <SYSC_IDLE_FORCE>, + <SYSC_IDLE_NO>, + <SYSC_IDLE_SMART>, + <SYSC_IDLE_SMART_WKUP>; + ti,syss-mask = <1>; #address-cells = <1>; #size-cells = <1>; ranges = <0 0x2b000 0x1000>; |