diff options
| author | Chen Feng <puck.chen@hisilicon.com> | 2015-11-20 10:10:04 +0800 |
|---|---|---|
| committer | Guodong Xu <guodong.xu@linaro.org> | 2017-06-06 14:23:47 +0800 |
| commit | d3d14a4d0f9491ee94094dfe2071cb8ee29840a6 (patch) | |
| tree | 5df988207ad71bd3251f64298d8c2a39435db125 /Documentation/devicetree | |
| parent | b409ba3b053501181d47a35769fe61823da012e9 (diff) | |
reset: hisilicon: document hisi-hi6220 reset controllers bindings
v2: add media reset support
Add DT bindings documentation for hi6220 SoC reset controller.
Signed-off-by: Chen Feng <puck.chen@hisilicon.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
[add media reset]
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt new file mode 100644 index 000000000000..d0f91c557e27 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt @@ -0,0 +1,36 @@ +Hisilicon System Reset Controller +====================================== + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +The reset controller registers are part of the system-ctl block on +hi6220 SoC. + +Required properties: +- compatible: should be one of the following: + "hisilicon,hi6220-sysctrl", "syscon" for peritheral reset, + "hisilicon,hi6220-pmctrl", "syscon" for media system reset. +- reg: should be register base and length as documented in the + datasheet +- #reset-cells: 1, see below + +Example: +sys_ctrl: sys_ctrl@f7030000 { + compatible = "hisilicon,hi6220-sysctrl", "syscon"; + reg = <0x0 0xf7030000 0x0 0x2000>; + #clock-cells = <1>; + #reset-cells = <1>; +}; + +Specifying reset lines connected to IP modules +============================================== +example: + + uart1: serial@..... { + ... + resets = <&sys_ctrl PERIPH_RSTEN3_UART1>; + ... + }; + +The index could be found in <dt-bindings/reset/hisi,hi6220-resets.h>. |