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author | Linaro CI <ci_notify@linaro.org> | 2021-09-10 10:10:45 +0200 |
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committer | Linaro CI <ci_notify@linaro.org> | 2021-09-10 10:10:45 +0200 |
commit | 1170abe573aa5f29399a19d85fbb88564e81248c (patch) | |
tree | 046f950fd5da63dfb2b059017166488a5c3ae8d3 /Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt | |
parent | 0508348c221f8c20dc496ff22946eafa9fdbda76 (diff) | |
parent | 2327620c9c132f9c55812b586d941de8595ef1b6 (diff) |
Merge remote-tracking branch 'sumit-lts/lts-4.4.y-hikey' into linux-4.4.y4.4.284-rc1-hikey-20210910-1124
Diffstat (limited to 'Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt')
-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>. |