From: Jim Quinlan <jim2101024@gmail.com>
To: linux-pci@vger.kernel.org,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
Rob Herring <robh@kernel.org>, Mark Brown <broonie@kernel.org>,
bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com,
james.quinlan@broadcom.com
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Rob Herring <robh+dt@kernel.org>,
Saenz Julienne <nsaenzjulienne@suse.de>,
linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM
BCM2711/BCM2835 ARM ARCHITECTURE),
linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM
BCM2711/BCM2835 ARM ARCHITECTURE),
devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
FLATTENED DEVICE TREE BINDINGS),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v6 2/9] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
Date: Fri, 29 Oct 2021 16:03:10 -0400 [thread overview]
Message-ID: <20211029200319.23475-3-jim2101024@gmail.com> (raw)
In-Reply-To: <20211029200319.23475-1-jim2101024@gmail.com>
Similar to the regulator bindings found in "rockchip-pcie-host.txt", this
allows optional regulators to be attached and controlled by the PCIe RC
driver. That being said, this driver searches in the DT subnode (the EP
node, eg pci-ep@0,0) for the regulator property.
The use of a regulator property in the pcie EP subnode such as
"vpcie12v-supply" depends on a pending pullreq to the pci-bus.yaml
file at
https://github.com/devicetree-org/dt-schema/pull/63
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
---
.../bindings/pci/brcm,stb-pcie.yaml | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
index 508e5dce1282..d90d867deb5c 100644
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -62,6 +62,10 @@ properties:
aspm-no-l0s: true
+ vpcie12v-supply: true
+ vpcie3v3-supply: true
+ vpcie3v3aux-supply: true
+
brcm,scb-sizes:
description: u64 giving the 64bit PCIe memory
viewport size of a memory controller. There may be up to
@@ -158,5 +162,28 @@ examples:
<0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>;
brcm,enable-ssc;
brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>;
+
+ /* PCIe bridge */
+ pci@0,0 {
+ #address-cells = <3>;
+ #size-cells = <2>;
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ compatible = "pciclass,0604";
+ device_type = "pci";
+ ranges;
+
+ /* PCIe endpoint */
+ pci-ep@0,0 {
+ assigned-addresses =
+ <0x82010000 0x0 0xf8000000 0x6 0x00000000 0x0 0x2000>;
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ compatible = "pci14e4,1688";
+ vpcie3v3-supply = <&vreg7>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges;
+ };
+ };
};
};
--
2.17.1
next prev parent reply other threads:[~2021-10-29 20:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-29 20:03 [PATCH v6 0/9] PCI: brcmstb: have host-bridge turn on sub-device power Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 1/9] dt-bindings: PCI: correct brcmstb interrupts, interrupt-map Jim Quinlan
2021-10-29 21:06 ` Florian Fainelli
2021-11-02 14:27 ` Rob Herring
2021-10-29 20:03 ` Jim Quinlan [this message]
2021-11-02 15:18 ` [PATCH v6 2/9] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Rob Herring
2021-10-29 20:03 ` [PATCH v6 3/9] PCI: move pci_device_add() call Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 4/9] PCI: separate device_initialize() from pci_device_add() Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 5/9] PCI: allow for callback to prepare nascent subdev Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 6/9] PCI: brcmstb: split brcm_pcie_setup() into two funcs Jim Quinlan
2021-10-29 20:03 ` [PATCH v6 7/9] PCI: brcmstb: Add control of subdevice voltage regulators Jim Quinlan
2021-10-31 19:49 ` kernel test robot
2021-11-01 15:24 ` Mark Brown
2021-11-02 16:00 ` Rob Herring
2021-11-02 22:36 ` Jim Quinlan
2021-11-04 14:42 ` Rob Herring
2021-10-29 20:03 ` [PATCH v6 8/9] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2021-11-01 15:26 ` Mark Brown
2021-10-29 20:03 ` [PATCH v6 9/9] PCI: brcmstb: change brcm_phy_stop() to return void Jim Quinlan
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