linux-kernel - [PATCH 2/5] dt-bindings: usb: xhci-tegra: Add power-domain details

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Message-ID: <1537964858-30332-3-git-send-email-jonathanh@nvidia.com>
Date:   Wed, 26 Sep 2018 13:27:35 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, Jon Hunter <jonathanh@...dia.com>
Subject: [PATCH 2/5] dt-bindings: usb: xhci-tegra: Add power-domain details

Add details for power-domains to the Tegra xHCI bindings so that
generic power-domains can be used for inconjunction with the xHCI
driver.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt
index 3eee9e505400..4156c3e181c5 100644
--- a/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt
+++ b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt
@@ -59,6 +59,14 @@ For Tegra210:
 - avdd-pll-uerefe-supply: PLLE reference PLL power supply. Must supply 1.05 V.
 - dvdd-pex-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V.
 - hvdd-pex-pll-e-supply: High-voltage PLLE power supply. Must supply 1.8 V.
+- power-domains: A list of PM domain specifiers that reference each power-domain
+  used by the xHCI controller. This list must comprise of a specifier for the
+  XUSBA and XUSBC power-domains. See ../power/power_domain.txt and
+  ../arm/tegra/nvidia,tegra20-pmc.txt for details.
+- power-domain-names: A list of names that represent each of the specifiers in
+  the 'power-domains' property. Must include 'xusb_ss' and 'xusb_host' which
+  represent the power-domains XUSBA and XUSBC, respectively. See
+  ../power/power_domain.txt for details.
 
 Optional properties:
 --------------------
-- 
2.7.4