From: Vidya Sagar <vidyas@nvidia.com>
To: <lorenzo.pieralisi@arm.com>, <bhelgaas@google.com>,
<robh+dt@kernel.org>, <thierry.reding@gmail.com>,
<jonathanh@nvidia.com>, <andrew.murray@arm.com>
Cc: <kishon@ti.com>, <gustavo.pimentel@synopsys.com>,
<linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <kthota@nvidia.com>,
<mmaddireddy@nvidia.com>, <vidyas@nvidia.com>,
<sagar.tv@gmail.com>
Subject: [PATCH V3 4/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform
Date: Mon, 13 Jan 2020 23:44:10 +0530 [thread overview]
Message-ID: <20200113181411.32743-5-vidyas@nvidia.com> (raw)
In-Reply-To: <20200113181411.32743-1-vidyas@nvidia.com>
Add endpoint mode support for PCIe C5 controller in P2972-0000 platform
with information about supplies, PHY, PERST GPIO and GPIO that controls
PCIe reference clock coming from the host system.
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
---
V3:
* None
V2:
* Addressed Thierry's review comments
* Changed 'nvidia,pex-rst-gpio' to 'reset-gpios'
* Added 'nvidia,refclk-select-gpios'
.../boot/dts/nvidia/tegra194-p2972-0000.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 353a6a22196d..87ae7c6d38e2 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -136,6 +136,24 @@
"p2u-5", "p2u-6", "p2u-7";
};
+ pcie_ep@141a0000 {
+ status = "disabled";
+
+ vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+ reset-gpios = <&gpio TEGRA194_MAIN_GPIO(GG, 1) GPIO_ACTIVE_LOW>;
+
+ nvidia,refclk-select-gpios = <&gpio_aon TEGRA194_AON_GPIO(AA, 5)
+ GPIO_ACTIVE_HIGH>;
+
+ phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
+ <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
+ <&p2u_nvhs_6>, <&p2u_nvhs_7>;
+
+ phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
+ "p2u-5", "p2u-6", "p2u-7";
+ };
+
fan: fan {
compatible = "pwm-fan";
pwms = <&pwm4 0 45334>;
--
2.17.1
next prev parent reply other threads:[~2020-01-13 18:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-13 18:14 [PATCH V3 0/5] Add support for PCIe endpoint mode in Tegra194 Vidya Sagar
2020-01-13 18:14 ` [PATCH V3 1/5] soc/tegra: bpmp: Update ABI header Vidya Sagar
2020-01-13 18:14 ` [PATCH V3 2/5] dt-bindings: PCI: tegra: Add DT support for PCIe EP nodes in Tegra194 Vidya Sagar
2020-01-13 18:14 ` [PATCH V3 3/5] arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194 Vidya Sagar
2020-01-13 18:14 ` Vidya Sagar [this message]
2020-01-13 18:14 ` [PATCH V3 5/5] PCI: tegra: Add support for PCIe endpoint mode in Tegra194 Vidya Sagar
2020-02-27 11:48 ` Lorenzo Pieralisi
2020-03-03 10:35 ` Vidya Sagar
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