From: Oza Pawandeep <oza.oza@broadcom.com>
To: Bjorn Helgaas <bhelgaas@google.com>, <helgaas@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Jon Mason <jonmason@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Oza Pawandeep <oza.oza@broadcom.com>,
Andy Gospodarek <gospo@broadcom.com>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Oza Pawandeep <oza.pawandeep@gmail.com>
Subject: [PATCH v5 2/3] dt-bindings: PCI iproc: Implement optional property prsnt-gpios
Date: Thu, 31 Aug 2017 10:14:29 +0530 [thread overview]
Message-ID: <1504154670-24608-3-git-send-email-oza.oza@broadcom.com> (raw)
In-Reply-To: <1504154670-24608-1-git-send-email-oza.oza@broadcom.com>
Add description for optional device tree property
'prsnt-gpios' for PCI hotplug feature.
Signed-off-by: Oza Pawandeep <oza.oza@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index b8e48b4..0c5f631 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -72,6 +72,20 @@ Optional properties:
- brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
require the interrupt enable registers to be set explicitly to enable MSI
+Optional properties:
+- slot-pluggable: PCI hotplug feature is supported.
+- prsnt-gpios: Array of gpios, needs to be present if Hotplug is supported.
+
+Refer to the following binding documents for more detailed description on
+the use of 'slot-pluggable' and 'prsnt-gpios'.
+ Documentation/devicetree/bindings/pci/pci.txt
+
+Example:
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>;
+This is x4 connector: monitoring max 2 present lines.
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>, <&pca9505 34 1>;
+This is x8 connector: monitoring max 3 present lines.
+
Example:
pcie0: pcie@18012000 {
compatible = "brcm,iproc-pcie";
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Oza Pawandeep <oza.oza@broadcom.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
helgaas@kernel.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Jon Mason <jonmason@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Oza Pawandeep <oza.oza@broadcom.com>,
Andy Gospodarek <gospo@broadcom.com>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Oza Pawandeep <oza.pawandeep@gmail.com>
Subject: [PATCH v5 2/3] dt-bindings: PCI iproc: Implement optional property prsnt-gpios
Date: Thu, 31 Aug 2017 10:14:29 +0530 [thread overview]
Message-ID: <1504154670-24608-3-git-send-email-oza.oza@broadcom.com> (raw)
In-Reply-To: <1504154670-24608-1-git-send-email-oza.oza@broadcom.com>
Add description for optional device tree property
'prsnt-gpios' for PCI hotplug feature.
Signed-off-by: Oza Pawandeep <oza.oza@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index b8e48b4..0c5f631 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -72,6 +72,20 @@ Optional properties:
- brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
require the interrupt enable registers to be set explicitly to enable MSI
+Optional properties:
+- slot-pluggable: PCI hotplug feature is supported.
+- prsnt-gpios: Array of gpios, needs to be present if Hotplug is supported.
+
+Refer to the following binding documents for more detailed description on
+the use of 'slot-pluggable' and 'prsnt-gpios'.
+ Documentation/devicetree/bindings/pci/pci.txt
+
+Example:
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>;
+This is x4 connector: monitoring max 2 present lines.
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>, <&pca9505 34 1>;
+This is x8 connector: monitoring max 3 present lines.
+
Example:
pcie0: pcie@18012000 {
compatible = "brcm,iproc-pcie";
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: oza.oza@broadcom.com (Oza Pawandeep)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 2/3] dt-bindings: PCI iproc: Implement optional property prsnt-gpios
Date: Thu, 31 Aug 2017 10:14:29 +0530 [thread overview]
Message-ID: <1504154670-24608-3-git-send-email-oza.oza@broadcom.com> (raw)
In-Reply-To: <1504154670-24608-1-git-send-email-oza.oza@broadcom.com>
Add description for optional device tree property
'prsnt-gpios' for PCI hotplug feature.
Signed-off-by: Oza Pawandeep <oza.oza@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index b8e48b4..0c5f631 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -72,6 +72,20 @@ Optional properties:
- brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
require the interrupt enable registers to be set explicitly to enable MSI
+Optional properties:
+- slot-pluggable: PCI hotplug feature is supported.
+- prsnt-gpios: Array of gpios, needs to be present if Hotplug is supported.
+
+Refer to the following binding documents for more detailed description on
+the use of 'slot-pluggable' and 'prsnt-gpios'.
+ Documentation/devicetree/bindings/pci/pci.txt
+
+Example:
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>;
+This is x4 connector: monitoring max 2 present lines.
+prsnt-gpios: <&pca9505 32 1>, <&pca9505 33 1>, <&pca9505 34 1>;
+This is x8 connector: monitoring max 3 present lines.
+
Example:
pcie0: pcie at 18012000 {
compatible = "brcm,iproc-pcie";
--
1.9.1
next prev parent reply other threads:[~2017-08-31 4:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-31 4:44 [PATCH v5 0/3] PCI hotplug feature Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` [PATCH v5 1/3] dt-bindings: PCI: Add PCI hotplug property Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep [this message]
2017-08-31 4:44 ` [PATCH v5 2/3] dt-bindings: PCI iproc: Implement optional property prsnt-gpios Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` [PATCH v5 3/3] PCI: iproc: Implement PCI hotplug support Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
2017-08-31 4:44 ` Oza Pawandeep
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