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authorPreetham Ramchandra <pchandru@nvidia.com>2018-03-12 17:10:30 +0530
committerTejun Heo <tj@kernel.org>2018-03-14 08:24:20 -0700
commit6431243f1506d1cd964a6c54d3d95e87a30f8a93 (patch)
treeae151fe57b3280dfb21050410b584efb4c7fa5bd /Documentation/devicetree/bindings/ata
parentlibata: add refcounting to ata_host (diff)
downloadlinux-dev-6431243f1506d1cd964a6c54d3d95e87a30f8a93.tar.xz
linux-dev-6431243f1506d1cd964a6c54d3d95e87a30f8a93.zip
dt-bindings: Tegra210: add binding documentation
This adds bindings documentation for the AHCI controller on Tegra210. Signed-off-by: Preetham Chandru R <pchandru@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/ata')
-rw-r--r--Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt36
1 files changed, 24 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
index 66c83c3e8915..12ab2f723eb0 100644
--- a/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
+++ b/Documentation/devicetree/bindings/ata/nvidia,tegra124-ahci.txt
@@ -1,9 +1,10 @@
-Tegra124 SoC SATA AHCI controller
+Tegra SoC SATA AHCI controller
Required properties :
-- compatible : For Tegra124, must contain "nvidia,tegra124-ahci". Otherwise,
- must contain '"nvidia,<chip>-ahci", "nvidia,tegra124-ahci"', where <chip>
- is tegra132.
+- compatible : Must be one of:
+ - Tegra124 : "nvidia,tegra124-ahci"
+ - Tegra132 : "nvidia,tegra132-ahci", "nvidia,tegra124-ahci"
+ - Tegra210 : "nvidia,tegra210-ahci"
- reg : Should contain 2 entries:
- AHCI register set (SATA BAR5)
- SATA register set
@@ -13,8 +14,6 @@ Required properties :
- clock-names : Must include the following entries:
- sata
- sata-oob
- - cml1
- - pll_e
- resets : Must contain an entry for each entry in reset-names.
See ../reset/reset.txt for details.
- reset-names : Must include the following entries:
@@ -24,9 +23,22 @@ Required properties :
- phys : Must contain an entry for each entry in phy-names.
See ../phy/phy-bindings.txt for details.
- phy-names : Must include the following entries:
- - sata-phy : XUSB PADCTL SATA PHY
-- hvdd-supply : Defines the SATA HVDD regulator
-- vddio-supply : Defines the SATA VDDIO regulator
-- avdd-supply : Defines the SATA AVDD regulator
-- target-5v-supply : Defines the SATA 5V power regulator
-- target-12v-supply : Defines the SATA 12V power regulator
+ - For Tegra124 and Tegra132:
+ - sata-phy : XUSB PADCTL SATA PHY
+- For Tegra124 and Tegra132:
+ - hvdd-supply : Defines the SATA HVDD regulator
+ - vddio-supply : Defines the SATA VDDIO regulator
+ - avdd-supply : Defines the SATA AVDD regulator
+ - target-5v-supply : Defines the SATA 5V power regulator
+ - target-12v-supply : Defines the SATA 12V power regulator
+
+Optional properties:
+- reg :
+ - AUX register set
+- clock-names :
+ - cml1 :
+ cml1 clock should be defined here if the PHY driver
+ doesn't manage them. If it does, they should not be.
+- phy-names :
+ - For T210:
+ - sata-phy