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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2018-02-01 00:41:33 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-02-01 00:41:33 -0800
commit10a558374f3751cf4eb55143008975641dfc2cf4 (patch)
treeaab0def9d2289f6520ffb62ec4c1d738135447c4 /Documentation/devicetree/bindings/ata/ahci-ceva.txt
parentfafef982c7353e8982b951e40573e990ccf0ed00 (diff)
parentd8a5b80568a9cb66810e75b182018e9edb68e8ff (diff)
downloadlinux-10a558374f3751cf4eb55143008975641dfc2cf4.tar.bz2
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
Diffstat (limited to 'Documentation/devicetree/bindings/ata/ahci-ceva.txt')
-rw-r--r--Documentation/devicetree/bindings/ata/ahci-ceva.txt39
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-ceva.txt b/Documentation/devicetree/bindings/ata/ahci-ceva.txt
index 7ca8b976c13a..7561cc4de371 100644
--- a/Documentation/devicetree/bindings/ata/ahci-ceva.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-ceva.txt
@@ -5,6 +5,36 @@ Required properties:
- compatible: Compatibility string. Must be 'ceva,ahci-1v84'.
- clocks: Input clock specifier. Refer to common clock bindings.
- interrupts: Interrupt specifier. Refer to interrupt binding.
+ - ceva,p0-cominit-params: OOB timing value for COMINIT parameter for port 0.
+ - ceva,p1-cominit-params: OOB timing value for COMINIT parameter for port 1.
+ The fields for the above parameter must be as shown below:
+ ceva,pN-cominit-params = /bits/ 8 <CIBGMN CIBGMX CIBGN CINMP>;
+ CINMP : COMINIT Negate Minimum Period.
+ CIBGN : COMINIT Burst Gap Nominal.
+ CIBGMX: COMINIT Burst Gap Maximum.
+ CIBGMN: COMINIT Burst Gap Minimum.
+ - ceva,p0-comwake-params: OOB timing value for COMWAKE parameter for port 0.
+ - ceva,p1-comwake-params: OOB timing value for COMWAKE parameter for port 1.
+ The fields for the above parameter must be as shown below:
+ ceva,pN-comwake-params = /bits/ 8 <CWBGMN CWBGMX CWBGN CWNMP>;
+ CWBGMN: COMWAKE Burst Gap Minimum.
+ CWBGMX: COMWAKE Burst Gap Maximum.
+ CWBGN: COMWAKE Burst Gap Nominal.
+ CWNMP: COMWAKE Negate Minimum Period.
+ - ceva,p0-burst-params: Burst timing value for COM parameter for port 0.
+ - ceva,p1-burst-params: Burst timing value for COM parameter for port 1.
+ The fields for the above parameter must be as shown below:
+ ceva,pN-burst-params = /bits/ 8 <BMX BNM SFD PTST>;
+ BMX: COM Burst Maximum.
+ BNM: COM Burst Nominal.
+ SFD: Signal Failure Detection value.
+ PTST: Partial to Slumber timer value.
+ - ceva,p0-retry-params: Retry interval timing value for port 0.
+ - ceva,p1-retry-params: Retry interval timing value for port 1.
+ The fields for the above parameter must be as shown below:
+ ceva,pN-retry-params = /bits/ 16 <RIT RCT>;
+ RIT: Retry Interval Timer.
+ RCT: Rate Change Timer.
Optional properties:
- ceva,broken-gen2: limit to gen1 speed instead of gen2.
@@ -16,5 +46,14 @@ Examples:
interrupt-parent = <&gic>;
interrupts = <0 133 4>;
clocks = <&clkc SATA_CLK_ID>;
+ ceva,p0-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>;
+ ceva,p0-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>;
+ ceva,p0-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>;
+ ceva,p0-retry-params = /bits/ 16 <0x0216 0x7F06>;
+
+ ceva,p1-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>;
+ ceva,p1-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>;
+ ceva,p1-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>;
+ ceva,p1-retry-params = /bits/ 16 <0x0216 0x7F06>;
ceva,broken-gen2;
};