On Fri, Aug 04, 2017 at 03:18:10PM +0200, Michal Simek wrote: > From: Anurag Kumar Vulisha <anurag.kumar.vulisha@xxxxxxxxxx> > > This patch adds device tree bindings for sata port phy parameters > in the ahci-ceva.txt file. > > Signed-off-by: Anurag Kumar Vulisha <anuragku@xxxxxxxxxx> > Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> > --- > > .../devicetree/bindings/ata/ahci-ceva.txt | 39 ++++++++++++++++++++++ > 1 file changed, 39 insertions(+) > > diff --git a/Documentation/devicetree/bindings/ata/ahci-ceva.txt b/Documentation/devicetree/bindings/ata/ahci-ceva.txt > index 7ca8b976c13a..f97546f61444 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,phy-cominit-params = /bits/ 8 <CIBGMN CIBGMX CIBGN CINMP>; phy? Should be pN? > + 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,phy-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,phy-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,phy-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; > }; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
