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From: Jim Quinlan <james.quinlan@broadcom.com>
To: james.quinlan@broadcom.com
Cc: Jim Quinlan <james.quinlan@broadcom.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
	BCM7XXX ARM ARCHITECTURE),
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Rob Herring <robh+dt@kernel.org>,
	linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM7XXX ARM ARCHITECTURE),
	linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-pci@vger.kernel.org (open list:PCI SUBSYSTEM),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 4/5] dt-bindings: PCI: brcmstb: New prop 'brcm,aspm-en-l0s'
Date: Thu, 30 Apr 2020 14:55:21 -0400	[thread overview]
Message-ID: <20200430185522.4116-4-james.quinlan@broadcom.com> (raw)
In-Reply-To: <20200430185522.4116-1-james.quinlan@broadcom.com>

From: Jim Quinlan <jquinlan@broadcom.com>

For various reasons, the L0s component of ASPM is intentionally
disabled.  Specifying the 'brcm,aspm-en-l0s' property enables it.

Signed-off-by: Jim Quinlan <jquinlan@broadcom.com>
---
 Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 77d3e81a437b..b3e43597b89c 100644
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -56,6 +56,10 @@ properties:
     description: Indicates usage of spread-spectrum clocking.
     type: boolean
 
+  brcm,aspm-en-l0s:
+    description: Enables ASPM L0s savings; off by default.
+    type: boolean
+
 required:
   - reg
   - dma-ranges
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Jim Quinlan <james.quinlan@broadcom.com>
To: james.quinlan@broadcom.com
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"open list:PCI SUBSYSTEM" <linux-pci@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	"maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE"
	<bcm-kernel-feedback-list@broadcom.com>,
	"moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	"moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE"
	<linux-rpi-kernel@lists.infradead.org>
Subject: [PATCH 4/5] dt-bindings: PCI: brcmstb: New prop 'brcm,aspm-en-l0s'
Date: Thu, 30 Apr 2020 14:55:21 -0400	[thread overview]
Message-ID: <20200430185522.4116-4-james.quinlan@broadcom.com> (raw)
In-Reply-To: <20200430185522.4116-1-james.quinlan@broadcom.com>

From: Jim Quinlan <jquinlan@broadcom.com>

For various reasons, the L0s component of ASPM is intentionally
disabled.  Specifying the 'brcm,aspm-en-l0s' property enables it.

Signed-off-by: Jim Quinlan <jquinlan@broadcom.com>
---
 Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 77d3e81a437b..b3e43597b89c 100644
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -56,6 +56,10 @@ properties:
     description: Indicates usage of spread-spectrum clocking.
     type: boolean
 
+  brcm,aspm-en-l0s:
+    description: Enables ASPM L0s savings; off by default.
+    type: boolean
+
 required:
   - reg
   - dma-ranges
-- 
2.17.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-04-30 19:00 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30 18:55 [PATCH 1/5] PCI: brcmstb: don't clk_put() a managed clock Jim Quinlan
2020-04-30 18:55 ` Jim Quinlan
2020-04-30 18:55 ` [PATCH 2/5] PCI: brcmstb: fix window register offset from 4 to 8 Jim Quinlan
2020-04-30 18:55   ` Jim Quinlan
2020-04-30 19:07   ` Florian Fainelli
2020-04-30 19:07     ` Florian Fainelli
2020-04-30 20:43   ` Bjorn Helgaas
2020-04-30 20:43     ` Bjorn Helgaas
2020-04-30 18:55 ` [PATCH 3/5] PCI: brcmstb: enable CRS Jim Quinlan
2020-04-30 18:55   ` Jim Quinlan
2020-04-30 19:19   ` Florian Fainelli
2020-04-30 19:19     ` Florian Fainelli
2020-04-30 20:32   ` Bjorn Helgaas
2020-04-30 20:32     ` Bjorn Helgaas
2020-04-30 21:00     ` Jim Quinlan
2020-04-30 21:00       ` Jim Quinlan
2020-04-30 18:55 ` Jim Quinlan [this message]
2020-04-30 18:55   ` [PATCH 4/5] dt-bindings: PCI: brcmstb: New prop 'brcm,aspm-en-l0s' Jim Quinlan
2020-04-30 19:20   ` Florian Fainelli
2020-04-30 19:20     ` Florian Fainelli
2020-04-30 18:55 ` [PATCH 5/5] PCI: brcmstb: disable L0s component of ASPM by default Jim Quinlan
2020-04-30 18:55   ` Jim Quinlan
2020-04-30 19:21   ` Florian Fainelli
2020-04-30 19:21     ` Florian Fainelli
2020-04-30 20:40   ` Bjorn Helgaas
2020-04-30 20:40     ` Bjorn Helgaas
2020-04-30 21:17     ` Jim Quinlan
2020-04-30 21:17       ` Jim Quinlan
2020-04-30 19:05 ` [PATCH 1/5] PCI: brcmstb: don't clk_put() a managed clock Florian Fainelli
2020-04-30 19:05   ` Florian Fainelli

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