From: Richard Zhu Date: Thu, 14 Jul 2022 07:31:00 +0000 (+0800) Subject: PCI: imx6: Disable i.MX6QDL clock when disabling ref clocks X-Git-Tag: v6.6.17~6891^2~14^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fea446eb9c77209dcd056fbd86c269a390075a29;p=platform%2Fkernel%2Flinux-rpi.git PCI: imx6: Disable i.MX6QDL clock when disabling ref clocks When disabling PCIe clocks, disable i.MX6QDL ref clock too. Link: https://lore.kernel.org/r/1657783869-19194-9-git-send-email-hongxing.zhu@nxp.com Signed-off-by: Richard Zhu Signed-off-by: Bjorn Helgaas Reviewed-by: Lucas Stach --- diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 5155151..f215753 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -586,6 +586,14 @@ static void imx6_pcie_disable_ref_clk(struct imx6_pcie *imx6_pcie) case IMX6SX: clk_disable_unprepare(imx6_pcie->pcie_inbound_axi); break; + case IMX6QP: + case IMX6Q: + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, + IMX6Q_GPR1_PCIE_REF_CLK_EN, 0); + regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, + IMX6Q_GPR1_PCIE_TEST_PD, + IMX6Q_GPR1_PCIE_TEST_PD); + break; case IMX7D: regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, IMX7D_GPR12_PCIE_PHY_REFCLK_SEL,