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 b532d5082fb6f744b57aecbed4258cf33cfa9e31..e25e661a652cdb90c9cd9d344b0ec9c8dc544f62 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;