PCI: tegra: Remove PLL power supplies
diff mbox series

Message ID 20200612140305.2343139-1-thierry.reding@gmail.com
State Superseded
Delegated to: Lorenzo Pieralisi
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Series
  • PCI: tegra: Remove PLL power supplies
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Commit Message

Thierry Reding June 12, 2020, 2:03 p.m. UTC
From: Thierry Reding <treding@nvidia.com>

The Tegra PCI controller driver doesn't need to control the PLL power
supplies directly, but rather uses the pads provided by the XUSB pad
controller, which in turn is responsible for supplying power to the
PLLs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/pci/controller/pci-tegra.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

Patch
diff mbox series

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 235b456698fc..f87a09d21eb0 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2025,7 +2025,7 @@  static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask)
 		pcie->supplies[i++].supply = "hvdd-pex";
 		pcie->supplies[i++].supply = "vddio-pexctl-aud";
 	} else if (of_device_is_compatible(np, "nvidia,tegra210-pcie")) {
-		pcie->num_supplies = 6;
+		pcie->num_supplies = 3;
 
 		pcie->supplies = devm_kcalloc(pcie->dev, pcie->num_supplies,
 					      sizeof(*pcie->supplies),
@@ -2033,14 +2033,11 @@  static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask)
 		if (!pcie->supplies)
 			return -ENOMEM;
 
-		pcie->supplies[i++].supply = "avdd-pll-uerefe";
 		pcie->supplies[i++].supply = "hvddio-pex";
 		pcie->supplies[i++].supply = "dvddio-pex";
-		pcie->supplies[i++].supply = "dvdd-pex-pll";
-		pcie->supplies[i++].supply = "hvdd-pex-pll-e";
 		pcie->supplies[i++].supply = "vddio-pex-ctl";
 	} else if (of_device_is_compatible(np, "nvidia,tegra124-pcie")) {
-		pcie->num_supplies = 7;
+		pcie->num_supplies = 4;
 
 		pcie->supplies = devm_kcalloc(dev, pcie->num_supplies,
 					      sizeof(*pcie->supplies),
@@ -2050,11 +2047,8 @@  static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask)
 
 		pcie->supplies[i++].supply = "avddio-pex";
 		pcie->supplies[i++].supply = "dvddio-pex";
-		pcie->supplies[i++].supply = "avdd-pex-pll";
 		pcie->supplies[i++].supply = "hvdd-pex";
-		pcie->supplies[i++].supply = "hvdd-pex-pll-e";
 		pcie->supplies[i++].supply = "vddio-pex-ctl";
-		pcie->supplies[i++].supply = "avdd-pll-erefe";
 	} else if (of_device_is_compatible(np, "nvidia,tegra30-pcie")) {
 		bool need_pexa = false, need_pexb = false;