linux-kernel - [PATCH v5 02/32] devicetree: bindings: scsi: HiSi SAS

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Date:	Wed, 18 Nov 2015 00:50:29 +0800
From:	John Garry <john.garry@...wei.com>
To:	<JBottomley@...n.com>, <robh+dt@...nel.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <arnd@...db.de>
CC:	<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linuxarm@...wei.com>,
	<john.garry2@...l.dcu.ie>, <hare@...e.de>, <xuwei5@...ilicon.com>,
	<zhangfei.gao@...aro.org>, <john.garry@...wei.com>
Subject: [PATCH v5 02/32] devicetree: bindings: scsi: HiSi SAS

Add devicetree bindings for HiSilicon SAS driver.

Signed-off-by: John Garry <john.garry@...wei.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/scsi/hisilicon-sas.txt     | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/scsi/hisilicon-sas.txt

diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
new file mode 100644
index 0000000..f67e761
--- /dev/null
+++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
@@ -0,0 +1,69 @@
+* HiSilicon SAS controller
+
+The HiSilicon SAS controller supports SAS/SATA.
+
+Main node required properties:
+  - compatible : value should be as follows:
+	(a) "hisilicon,hip05-sas-v1" for v1 hw in hip05 chipset
+  - sas-addr : array of 8 bytes for host SAS address
+  - reg : Address and length of the SAS register
+  - 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
+  - ctrl-clock-ena-reg : offset to controller clock enable register in ctrl reg
+  - queue-count : number of delivery and completion queues in the controller
+  - phy-count : number of phys accessible by the controller
+  - interrupts : Interrupts for phys, completion queues, and fatal
+		sources; the interrupts are ordered in 3 groups, as follows:
+			- Phy interrupts
+			- Completion queue interrupts
+			- Fatal interrupts
+		Phy interrupts : Each phy has 3 interrupt sources:
+			- broadcast
+			- phyup
+			- abnormal
+		The phy interrupts are ordered into groups of 3 per phy
+		(broadcast, phyup, and abnormal) in increasing order.
+		Completion queue interrupts : each completion queue has 1
+			interrupt source.
+			The interrupts are ordered in increasing order.
+		Fatal interrupts : the fatal interrupts are ordered as follows:
+			- ECC
+			- AXI bus
+
+Example:
+	sas0: sas@...00000 {
+		compatible = "hisilicon,hip05-sas-v1";
+		sas-addr = [50 01 88 20 16 00 00 0a];
+		reg = <0x0 0xc1000000 0x0 0x10000>;
+		hisilicon,sas-syscon = <&pcie_sas>;
+		ctrl-reset-reg = <0xa60>;
+		ctrl-reset-sts-reg = <0x5a30>;
+		ctrl-clock-ena-reg = <0x338>;
+		queue-count = <32>;
+		phy-count = <8>;
+		dma-coherent;
+		interrupt-parent = <&mbigen_dsa>;
+		interrupts =    <259 4>,<263 4>,<264 4>,/* phy0 */
+				<269 4>,<273 4>,<274 4>,/* phy1 */
+				<279 4>,<283 4>,<284 4>,/* phy2 */
+				<289 4>,<293 4>,<294 4>,/* phy3 */
+				<299 4>,<303 4>,<304 4>,/* phy4 */
+				<309 4>,<313 4>,<314 4>,/* phy5 */
+				<319 4>,<323 4>,<324 4>,/* phy6 */
+				<329 4>,<333 4>,<334 4>,/* phy7 */
+				<336 1>,<337 1>,<338 1>,/* cq0-2 */
+				<339 1>,<340 1>,<341 1>,/* cq3-5 */
+				<342 1>,<343 1>,<344 1>,/* cq6-8 */
+				<345 1>,<346 1>,<347 1>,/* cq9-11 */
+				<348 1>,<349 1>,<350 1>,/* cq12-14 */
+				<351 1>,<352 1>,<353 1>,/* cq15-17 */
+				<354 1>,<355 1>,<356 1>,/* cq18-20 */
+				<357 1>,<358 1>,<359 1>,/* cq21-23 */
+				<360 1>,<361 1>,<362 1>,/* cq24-26 */
+				<363 1>,<364 1>,<365 1>,/* cq27-29 */
+				<366 1>,<367 1>/* cq30-31 */
+				<376 4>,/* fatal ecc */
+				<381 4>;/* fatal axi */
+		status = "disabled";
+	};
-- 
1.9.1

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