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Subject[PATCH 1/3] devicetree: bindings: scsi: hisi_sas: add LED feature for v2 hw
From: Xiaofei Tan <>

Add directly attached disk LED feature for v2 hw.

Signed-off-by: Xiaofei Tan <>
Signed-off-by: John Garry <>
Documentation/devicetree/bindings/scsi/hisilicon-sas.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
index b6a869f..df3bef7 100644
--- a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
+++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
@@ -8,7 +8,10 @@ Main node required properties:
(b) "hisilicon,hip06-sas-v2" for v2 hw in hip06 chipset
(c) "hisilicon,hip07-sas-v2" for v2 hw in hip07 chipset
- sas-addr : array of 8 bytes for host SAS address
- - reg : Address and length of the SAS register
+ - reg : Contains two regions. The first is the address and length of the SAS
+ register. The second is the address and length of CPLD register for
+ SGPIO control. The second is optional, and should be set only when
+ we use a CPLD for directly attached disk LED control.
- hisilicon,sas-syscon: phandle of syscon used for sas control
- ctrl-reset-reg : offset to controller reset register in ctrl reg
- ctrl-reset-sts-reg : offset to controller reset status register in ctrl reg
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