summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/soc/fsl
diff options
context:
space:
mode:
authorBiwen Li <biwen.li@nxp.com>2019-09-14 13:02:45 +0800
committerBiwen Li <biwen.li@nxp.com>2019-12-05 12:06:23 +0800
commita07a8e2d3882ffcf3f5fbf93f9c8d460a9f28e31 (patch)
treeeb7e4233d9542d04a98edbb9d3a70ded88cf9e59 /Documentation/devicetree/bindings/soc/fsl
parent698ce681b3617137c0c7e03ba94009d21b8cab6f (diff)
Documentation: dt: binding: fsl: Add 'fsl,ippdexpcr1-alt-addr' property
The 'fsl,ippdexpcr1-alt-addr' property is used to handle an errata A-008646 on LS1021A Reviewed-by: Ran Wang <ran.wang_1@nxp.com> Signed-off-by: Biwen Li <biwen.li@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/soc/fsl')
-rw-r--r--Documentation/devicetree/bindings/soc/fsl/rcpm.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
index 5a33619d881d..751a7655b694 100644
--- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
@@ -34,6 +34,13 @@ Chassis Version Example Chips
Optional properties:
- little-endian : RCPM register block is Little Endian. Without it RCPM
will be Big Endian (default case).
+ - fsl,ippdexpcr1-alt-addr : The property is related to a hardware issue
+ on SoC LS1021A and only needed on SoC LS1021A.
+ Must include 1 + 2 entries.
+ The first entry must be a link to the SCFG device node.
+ The non-first entry must be offset of registers of SCFG.
+ The second and third entry compose an alt offset address
+ for IPPDEXPCR1(SCFG_SPARECR8)
Example:
The RCPM node for T4240:
@@ -43,6 +50,20 @@ The RCPM node for T4240:
#fsl,rcpm-wakeup-cells = <2>;
};
+The RCPM node for LS1021A:
+ rcpm: rcpm@1ee2140 {
+ compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-2.1+";
+ reg = <0x0 0x1ee2140 0x0 0x8>;
+ #fsl,rcpm-wakeup-cells = <2>;
+
+ /*
+ * The second and third entry compose an alt offset
+ * address for IPPDEXPCR1(SCFG_SPARECR8)
+ */
+ fsl,ippdexpcr1-alt-addr = <&scfg 0x0 0x51c>;
+ };
+
+
* Freescale RCPM Wakeup Source Device Tree Bindings
-------------------------------------------
Required fsl,rcpm-wakeup property should be added to a device node if the device