From: Manikanta Maddireddy <mmaddireddy@nvidia.com>
To: <thierry.reding@gmail.com>, <bhelgaas@google.com>,
<robh+dt@kernel.org>, <mark.rutland@arm.com>,
<jonathanh@nvidia.com>, <lorenzo.pieralisi@arm.com>,
<vidyas@nvidia.com>
Cc: <linux-tegra@vger.kernel.org>, <linux-pci@vger.kernel.org>,
<devicetree@vger.kernel.org>,
Manikanta Maddireddy <mmaddireddy@nvidia.com>
Subject: [PATCH 28/30] dt-bindings: pci: tegra: Document nvidia,rst-gpio optional prop
Date: Thu, 11 Apr 2019 22:33:53 +0530 [thread overview]
Message-ID: <20190411170355.6882-29-mmaddireddy@nvidia.com> (raw)
In-Reply-To: <20190411170355.6882-1-mmaddireddy@nvidia.com>
Document "nvidia,rst-gpio" optional property which supports GPIO based
PERST# signal.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
---
Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
index dca8393b86d1..23928fd59538 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
@@ -75,6 +75,8 @@ Optional properties:
Pass pinctrl phandle to allow driver bring PCIe IO out of DPD state.
- nvidia,plat-gpios: A list of platform specific gpios which controls
endpoint's internal regulator or PCIe logic.
+- nvidia,rst-gpio: If GPIO is used as PERST# signal instead of available
+ SFIO, add this property with phandle to GPIO controller and GPIO number.
Required properties on Tegra124 and later (deprecated):
- phys: Must contain an entry for each entry in phy-names.
@@ -671,6 +673,7 @@ Board DTS:
pci@1,0 {
nvidia,num-lanes = <4>;
+ nvidia,rst-gpio = <&tegra_main_gpio TEGRA_MAIN_GPIO(A, 3) 0>;
status = "okay";
};
--
2.17.1
next prev parent reply other threads:[~2019-04-11 17:06 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-11 17:03 [PATCH 00/30] Enable Tegra PCIe root port features Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 01/30] soc/tegra: pmc: Export tegra_powergate_power_on() Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 02/30] PCI: tegra: Fix PCIe host power up sequence Manikanta Maddireddy
2019-04-15 11:01 ` Thierry Reding
2019-04-15 14:11 ` Manikanta Maddireddy
2019-04-15 14:30 ` Thierry Reding
2019-04-15 18:14 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 03/30] PCI: tegra: Move REFCLK pad settings out of phy_power_on() Manikanta Maddireddy
2019-04-15 11:06 ` Thierry Reding
2019-04-15 14:20 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 04/30] PCI: tegra: Add PCIe Gen2 link speed support Manikanta Maddireddy
2019-04-15 11:21 ` Thierry Reding
2019-04-15 14:47 ` Manikanta Maddireddy
2019-04-15 15:36 ` Thierry Reding
2019-04-15 15:53 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 05/30] PCI: tegra: Advertise PCIe Advanced Error Reporting (AER) capability Manikanta Maddireddy
2019-04-15 11:23 ` Thierry Reding
2019-04-15 14:49 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 06/30] PCI: tegra: Program UPHY electrical settings for Tegra210 Manikanta Maddireddy
2019-04-15 11:29 ` Thierry Reding
2019-04-15 14:55 ` Manikanta Maddireddy
2019-04-15 15:38 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 07/30] PCI: tegra: Enable opportunistic update FC and ACK Manikanta Maddireddy
2019-04-15 11:30 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 08/30] PCI: tegra: Disable AFI dynamic clock gating Manikanta Maddireddy
2019-04-15 11:32 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 09/30] PCI: tegra: Process pending DLL transactions before entering L1 or L2 Manikanta Maddireddy
2019-04-15 11:33 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 10/30] PCI: tegra: Enable PCIe xclk clock clamping Manikanta Maddireddy
2019-04-15 11:37 ` Thierry Reding
2019-04-15 14:58 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 11/30] PCI: tegra: Increase the deskew retry time Manikanta Maddireddy
2019-04-15 11:39 ` Thierry Reding
2019-04-15 14:58 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 12/30] PCI: tegra: Add SW fixup for RAW violations Manikanta Maddireddy
2019-04-11 20:01 ` Bjorn Helgaas
2019-04-12 5:59 ` Manikanta Maddireddy
2019-04-15 11:41 ` Thierry Reding
2019-04-15 11:45 ` Thierry Reding
2019-04-15 15:02 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 13/30] PCI: tegra: Update flow control threshold in Tegra210 Manikanta Maddireddy
2019-04-15 11:47 ` Thierry Reding
2019-04-15 15:05 ` Manikanta Maddireddy
2019-04-23 9:27 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 14/30] PCI: tegra: Set target speed as Gen1 before link up Manikanta Maddireddy
2019-04-11 20:04 ` Bjorn Helgaas
2019-04-12 6:44 ` Manikanta Maddireddy
2019-04-12 14:35 ` Bjorn Helgaas
2019-04-15 10:43 ` Manikanta Maddireddy
2019-04-15 11:52 ` Thierry Reding
2019-04-15 15:12 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 15/30] PCI: tegra: Fix PLLE powerdown issue due to CLKREQ# signal Manikanta Maddireddy
2019-04-15 13:17 ` Thierry Reding
2019-04-15 15:14 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 16/30] PCI: tegra: Program AFI_CACHE* registers only for Tegra20 Manikanta Maddireddy
2019-04-15 13:20 ` Thierry Reding
2019-04-16 10:47 ` Manikanta Maddireddy
2019-04-16 16:11 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 17/30] PCI: tegra: Use switch statements in tegra_pcie_isr() Manikanta Maddireddy
2019-04-15 13:25 ` Thierry Reding
2019-04-15 15:25 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 18/30] PCI: tegra: Change PRSNT_SENSE irq log to debug Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 19/30] PCI: tegra: Use legacy irq for port service drivers Manikanta Maddireddy
2019-04-15 13:35 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 20/30] PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of soc struct Manikanta Maddireddy
2019-04-15 13:31 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 21/30] PCI: tegra: Add "pci" type check before parsing child device tree node Manikanta Maddireddy
2019-04-15 13:37 ` Thierry Reding
2019-04-15 15:30 ` Manikanta Maddireddy
2019-04-15 15:42 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 22/30] PCI: tegra: Access endpoint config only if PCIe link is up Manikanta Maddireddy
2019-04-11 20:15 ` Bjorn Helgaas
2019-04-12 7:00 ` Manikanta Maddireddy
2019-04-12 14:50 ` Bjorn Helgaas
2019-04-15 11:36 ` Manikanta Maddireddy
2019-04-15 13:45 ` Thierry Reding
2019-04-15 13:52 ` Thierry Reding
2019-04-15 14:04 ` Bjorn Helgaas
2019-04-15 15:43 ` Manikanta Maddireddy
2019-04-23 20:24 ` Bjorn Helgaas
2019-04-11 17:03 ` [PATCH 23/30] dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop Manikanta Maddireddy
2019-04-15 14:07 ` Thierry Reding
2019-04-15 15:48 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 24/30] arm64: tegra: Add PEX DPD states as pinctrl properties Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 25/30] PCI: tegra: Put PEX CLK & BIAS pads in DPD mode Manikanta Maddireddy
2019-04-15 14:11 ` Thierry Reding
2019-04-11 17:03 ` [PATCH 26/30] dt-bindings: pci: tegra: Document nvidia,plat-gpios optional prop Manikanta Maddireddy
2019-04-11 20:18 ` Bjorn Helgaas
2019-04-12 7:01 ` Manikanta Maddireddy
2019-04-15 14:16 ` Thierry Reding
2019-04-15 17:58 ` Manikanta Maddireddy
2019-04-16 15:34 ` Thierry Reding
2019-04-17 11:22 ` Manikanta Maddireddy
2019-04-17 15:19 ` Thierry Reding
2019-04-17 18:26 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 27/30] PCI: tegra: Add support to configure platform GPIOs Manikanta Maddireddy
2019-04-11 17:03 ` Manikanta Maddireddy [this message]
2019-04-15 14:20 ` [PATCH 28/30] dt-bindings: pci: tegra: Document nvidia,rst-gpio optional prop Thierry Reding
2019-04-15 18:01 ` Manikanta Maddireddy
2019-04-29 18:33 ` Rob Herring
2019-04-11 17:03 ` [PATCH 29/30] PCI: tegra: Add support for GPIO based PCIe reset Manikanta Maddireddy
2019-04-15 14:20 ` Thierry Reding
2019-04-15 18:03 ` Manikanta Maddireddy
2019-04-11 17:03 ` [PATCH 30/30] PCI: tegra: Change link retry log level to INFO Manikanta Maddireddy
2019-04-15 14:23 ` Thierry Reding
2019-04-15 18:05 ` Manikanta Maddireddy
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