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author | Stephen Boyd <sboyd@codeaurora.org> | 2015-10-12 11:44:49 -0700 |
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committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-10-12 11:44:49 -0700 |
commit | 67d7188afe23e4b1b82ee6fed35c14387f169f74 (patch) | |
tree | ec3fe1c511b34c89626745b08bbd46c4c6d7a8a4 /Documentation/devicetree/bindings/clock | |
parent | 53c929c922ccc5e615c3310e86ffbc1387372854 (diff) | |
parent | 41691b8862e2a32080306f17a723efc4b6ca86ab (diff) | |
download | op-kernel-dev-67d7188afe23e4b1b82ee6fed35c14387f169f74.zip op-kernel-dev-67d7188afe23e4b1b82ee6fed35c14387f169f74.tar.gz |
Merge branch 'clk-bcm2835' into clk-next
* clk-bcm2835:
clk: bcm2835: Add support for programming the audio domain clocks
clk: bcm2835: Add binding docs for the new platform clock driver.
clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
-rw-r--r-- | Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt b/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt new file mode 100644 index 0000000..e56a1df --- /dev/null +++ b/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt @@ -0,0 +1,45 @@ +Broadcom BCM2835 CPRMAN clocks + +This binding uses the common clock binding: + Documentation/devicetree/bindings/clock/clock-bindings.txt + +The CPRMAN clock controller generates clocks in the audio power domain +of the BCM2835. There is a level of PLLs deriving from an external +oscillator, a level of PLL dividers that produce channels off of the +few PLLs, and a level of mostly-generic clock generators sourcing from +the PLL channels. Most other hardware components source from the +clock generators, but a few (like the ARM or HDMI) will source from +the PLL dividers directly. + +Required properties: +- compatible: Should be "brcm,bcm2835-cprman" +- #clock-cells: Should be <1>. The permitted clock-specifier values can be + found in include/dt-bindings/clock/bcm2835.h +- reg: Specifies base physical address and size of the registers +- clocks: The external oscillator clock phandle + +Example: + + clk_osc: clock@3 { + compatible = "fixed-clock"; + reg = <3>; + #clock-cells = <0>; + clock-output-names = "osc"; + clock-frequency = <19200000>; + }; + + clocks: cprman@7e101000 { + compatible = "brcm,bcm2835-cprman"; + #clock-cells = <1>; + reg = <0x7e101000 0x2000>; + clocks = <&clk_osc>; + }; + + i2c0: i2c@7e205000 { + compatible = "brcm,bcm2835-i2c"; + reg = <0x7e205000 0x1000>; + interrupts = <2 21>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + #address-cells = <1>; + #size-cells = <0>; + }; |