diff options
author | Max Filippov <jcmvbkbc@gmail.com> | 2015-01-12 08:20:46 +0100 |
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committer | Michael Turquette <mturquette@linaro.org> | 2015-01-17 22:52:40 +0100 |
commit | 0c7665c356021c10c3f45a620f3f12ad599850d5 (patch) | |
tree | 49dd4d6f3f2d94cfe8fbfd2713adbc1dcdd7c318 /Documentation | |
parent | clk: fix possible null pointer dereference (diff) | |
download | linux-0c7665c356021c10c3f45a620f3f12ad599850d5.tar.xz linux-0c7665c356021c10c3f45a620f3f12ad599850d5.zip |
clk: TI CDCE706 clock synthesizer driver
The driver allows using CDCE706 in its default configuration recorded in
EEPROM and adjusting of synthesized clocks by consumers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/clock/ti,cdce706.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/ti,cdce706.txt b/Documentation/devicetree/bindings/clock/ti,cdce706.txt new file mode 100644 index 000000000000..616836e7e1e2 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,cdce706.txt @@ -0,0 +1,42 @@ +Bindings for Texas Instruments CDCE706 programmable 3-PLL clock +synthesizer/multiplier/divider. + +Reference: http://www.ti.com/lit/ds/symlink/cdce706.pdf + +I2C device node required properties: +- compatible: shall be "ti,cdce706". +- reg: i2c device address, shall be in range [0x68...0x6b]. +- #clock-cells: from common clock binding; shall be set to 1. +- clocks: from common clock binding; list of parent clock + handles, shall be reference clock(s) connected to CLK_IN0 + and CLK_IN1 pins. +- clock-names: shall be clk_in0 and/or clk_in1. Use clk_in0 + in case of crystal oscillator or differential signal input + configuration. Use clk_in0 and clk_in1 in case of independent + single-ended LVCMOS inputs configuration. + +Example: + + clocks { + clk54: clk54 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <54000000>; + }; + }; + ... + i2c0: i2c-master@0d090000 { + ... + cdce706: clock-synth@69 { + compatible = "ti,cdce706"; + #clock-cells = <1>; + reg = <0x69>; + clocks = <&clk54>; + clock-names = "clk_in0"; + }; + }; + ... + simple-audio-card,codec { + ... + clocks = <&cdce706 4>; + }; |