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| author | Tero Kristo <t-kristo@ti.com> | 2014-02-24 16:06:34 +0200 |
|---|---|---|
| committer | Tero Kristo <t-kristo@ti.com> | 2014-05-28 12:30:02 +0300 |
| commit | 4d008589e271e28eae728eef7f5fb1f658f12b9f (patch) | |
| tree | 8b30eee15659aa978c5b452b65647662cc90c8c3 /Documentation | |
| parent | aa76fcf473f6bfa839f37f77b6fdb71f0fb88d8f (diff) | |
| download | linux-4d008589e271e28eae728eef7f5fb1f658f12b9f.tar.gz linux-4d008589e271e28eae728eef7f5fb1f658f12b9f.tar.bz2 linux-4d008589e271e28eae728eef7f5fb1f658f12b9f.zip | |
CLK: TI: APLL: add support for omap2 aplls
This patch adds support for omap2 type aplls, which have gating and
autoidle functionality.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/ti/apll.txt | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/clock/ti/apll.txt b/Documentation/devicetree/bindings/clock/ti/apll.txt index 7faf5a68b3be..ade4dd4c30f0 100644 --- a/Documentation/devicetree/bindings/clock/ti/apll.txt +++ b/Documentation/devicetree/bindings/clock/ti/apll.txt @@ -14,18 +14,32 @@ a subtype of a DPLL [2], although a simplified one at that. [2] Documentation/devicetree/bindings/clock/ti/dpll.txt Required properties: -- compatible : shall be "ti,dra7-apll-clock" +- compatible : shall be "ti,dra7-apll-clock" or "ti,omap2-apll-clock" - #clock-cells : from common clock binding; shall be set to 0. - clocks : link phandles of parent clocks (clk-ref and clk-bypass) - reg : address and length of the register set for controlling the APLL. It contains the information of registers in the following order: - "control" - contains the control register base address - "idlest" - contains the idlest register base address + "control" - contains the control register offset + "idlest" - contains the idlest register offset + "autoidle" - contains the autoidle register offset (OMAP2 only) +- ti,clock-frequency : static clock frequency for the clock (OMAP2 only) +- ti,idlest-shift : bit-shift for the idlest field (OMAP2 only) +- ti,bit-shift : bit-shift for enable and autoidle fields (OMAP2 only) Examples: - apll_pcie_ck: apll_pcie_ck@4a008200 { + apll_pcie_ck: apll_pcie_ck { #clock-cells = <0>; clocks = <&apll_pcie_in_clk_mux>, <&dpll_pcie_ref_ck>; - reg = <0x4a00821c 0x4>, <0x4a008220 0x4>; + reg = <0x021c>, <0x0220>; compatible = "ti,dra7-apll-clock"; }; + + apll96_ck: apll96_ck { + #clock-cells = <0>; + compatible = "ti,omap2-apll-clock"; + clocks = <&sys_ck>; + ti,bit-shift = <2>; + ti,idlest-shift = <8>; + ti,clock-frequency = <96000000>; + reg = <0x0500>, <0x0530>, <0x0520>; + }; |