PCI: tegra: Remove PLL power supplies

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>

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index b532d50..e25e661 100644 (file)
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -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;