linux-kernel - [PATCH v2 2/4] dt-bindings: imx6q-pcie: Add multi-pd bindings for imx6sx

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Message-ID: <fb622df91d2e4aa339e8831fb8bcde03327f5bda.1539020938.git.leonard.crestez@nxp.com>
Date:   Mon, 8 Oct 2018 18:06:20 +0000
From:   Leonard Crestez <leonard.crestez@....com>
To:     Shawn Guo <shawnguo@...nel.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        Richard Zhu <hongxing.zhu@....com>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        Stefan Agner <stefan@...er.ch>, Marek Vasut <marex@...x.de>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/4] dt-bindings: imx6q-pcie: Add multi-pd bindings for
 imx6sx

The PCIE and PCIE_PHY blocks are in different power domains on imx6sx
and this needs to be described using multi-pd bindings.

This was not required until now because the power-domain of the PCIE
block (DISPLAY) was always on.

Signed-off-by: Leonard Crestez <leonard.crestez@....com>
---
 Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
index f37494d5a7be..d514c1f2365f 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
@@ -39,11 +39,13 @@ Optional properties:
   host.
 
 Additional required properties for imx6sx-pcie:
 - clock names: Must include the following additional entries:
 	- "pcie_inbound_axi"
-- power-domains: Must be set to a phandle pointing to the PCIE_PHY power domain
+- power-domains: Must be set to phandles pointing to the DISPLAY and
+  PCIE_PHY power domains
+- power-domain-names: Must be "pcie", "pcie_phy"
 
 Additional required properties for imx7d-pcie:
 - power-domains: Must be set to a phandle pointing to PCIE_PHY power domain
 - resets: Must contain phandles to PCIe-related reset lines exposed by SRC
   IP block
-- 
2.17.1