linux-kernel - [RFC PATCH v2 1/4] dt: bindings: Add SD tap value properties details for 'xlnx,zynqmp-8.9a'

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Date:   Thu, 20 Sep 2018 15:00:42 +0530
From:   Manish Narani <manish.narani@...inx.com>
To:     <ulf.hansson@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <michal.simek@...inx.com>,
        <adrian.hunter@...el.com>, <manish.narani@...inx.com>,
        <amit.kucheria@...aro.org>, <sudeep.holla@....com>,
        <leoyang.li@....com>, <jollys@...inx.com>, <rajanv@...inx.com>
CC:     <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [RFC PATCH v2 1/4] dt: bindings: Add SD tap value properties details for 'xlnx,zynqmp-8.9a'

Add documentation for MIO bank required property and Tap Delays optional
properties in devicetree bindings.

Signed-off-by: Manish Narani <manish.narani@...inx.com>
---
 .../devicetree/bindings/mmc/arasan,sdhci.txt          | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index 72769e0..6cc95fa 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -27,6 +27,7 @@ Required Properties for "arasan,sdhci-5.1":
 
 Required Properties for "xlnx,zynqmp-8.9a":
   - xlnx,device_id: SD controller device ID. Must be either <0> or <1>.
+  - xlnx,mio-bank: The value will be 0/1/2 depending on MIO bank selection.
 
 Optional Properties:
   - arasan,soc-ctl-syscon: A phandle to a syscon device (see ../mfd/syscon.txt)
@@ -44,6 +45,24 @@ Optional Properties:
   - xlnx,int-clock-stable-broken: when present, the controller always reports
     that the internal clock is stable even when it is not.
 
+Optional Properties for "xlnx,zynqmp-8.9a":
+ - xlnx,itap-delay-sd-hsd: Input Tap Delay for SD HS.
+ - xlnx,itap-delay-sdr25: Input Tap Delay for SDR25.
+ - xlnx,itap-delay-sdr50: Input Tap Delay for SDR50.
+ - xlnx,itap-delay-sdr104: Input Tap Delay for SDR104.
+ - xlnx,itap-delay-sd-ddr50: Input Tap Delay for SD DDR50.
+ - xlnx,itap-delay-mmc-hsd: Input Tap Delay for MMC HS.
+ - xlnx,itap-delay-mmc-ddr52: Input Tap Delay for MMC DDR52.
+ - xlnx,itap-delay-mmc-hs200: Input Tap Delay for MMC HS200.
+ - xlnx,otap-delay-sd-hsd: Output Tap Delay for SD HS.
+ - xlnx,otap-delay-sdr25: Output Tap Delay for SDR25.
+ - xlnx,otap-delay-sdr50: Output Tap Delay for SDR50.
+ - xlnx,otap-delay-sdr104: Output Tap Delay for SDR104.
+ - xlnx,otap-delay-sd-ddr50: Output Tap Delay for DDR50.
+ - xlnx,otap-delay-mmc-hsd: Output Tap Delay for MMC HS.
+ - xlnx,otap-delay-mmc-ddr52: Output Tap Delay for MMC DDR52.
+ - xlnx,otap-delay-mmc-hs200: Output Tap Delay for MMC HS200.
+
 Example:
 	sdhci@...00000 {
 		compatible = "arasan,sdhci-8.9a";
-- 
2.1.1