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PCI: tegra: Remove PLL power supplies

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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.

Link: https://lore.kernel.org/r/20200623145528.1658337-2-thierry.reding@gmail.com
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Thierry Reding 2020-06-23 16:55:28 +02:00 committed by Lorenzo Pieralisi
parent 980d1f2f3d
commit a6fbb4a4a7
1 changed files with 2 additions and 8 deletions
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10
drivers/pci/controller/pci-tegra.c
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@ -2000,7 +2000,7 @@ 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),
@ -2008,14 +2008,11 @@ 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),
@ -2025,11 +2022,8 @@ 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;