| * Hisilicon Hi3519 Clock and Reset Generator(CRG) |
| |
| The Hi3519 CRG module provides clock and reset signals to various |
| controllers within the SoC. |
| |
| This binding uses the following bindings: |
| Documentation/devicetree/bindings/clock/clock-bindings.txt |
| Documentation/devicetree/bindings/reset/reset.txt |
| |
| Required Properties: |
| |
| - compatible: should be one of the following. |
| - "hisilicon,hi3519-crg" - controller compatible with Hi3519 SoC. |
| |
| - reg: physical base address of the controller and length of memory mapped |
| region. |
| |
| - #clock-cells: should be 1. |
| |
| Each clock is assigned an identifier and client nodes use this identifier |
| to specify the clock which they consume. |
| |
| All these identifier could be found in <dt-bindings/clock/hi3519-clock.h>. |
| |
| - #reset-cells: should be 2. |
| |
| A reset signal can be controlled by writing a bit register in the CRG module. |
| The reset specifier consists of two cells. The first cell represents the |
| register offset relative to the base address. The second cell represents the |
| bit index in the register. |
| |
| Example: CRG nodes |
| CRG: clock-reset-controller@12010000 { |
| compatible = "hisilicon,hi3519-crg"; |
| reg = <0x12010000 0x10000>; |
| #clock-cells = <1>; |
| #reset-cells = <2>; |
| }; |
| |
| Example: consumer nodes |
| i2c0: i2c@12110000 { |
| compatible = "hisilicon,hi3519-i2c"; |
| reg = <0x12110000 0x1000>; |
| clocks = <&CRG HI3519_I2C0_RST>; |
| resets = <&CRG 0xe4 0>; |
| }; |