Messages in this thread Patch in this message | | | From | Richard Zhu <> | Subject | [PATCH v9 4/8] PCI: imx6: Disable iMX6QDL PCIe REF clock when disable PCIe clocks | Date | Fri, 6 May 2022 09:47:05 +0800 |
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When disable PCIe clocks, disable i.MX6QDL PCIe REF clock too.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> --- drivers/pci/controller/dwc/pci-imx6.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 9b0eac64badc..7005a7910003 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -536,6 +536,14 @@ static void imx6_pcie_clk_disable(struct imx6_pcie *imx6_pcie) clk_disable_unprepare(imx6_pcie->pcie_bus); switch (imx6_pcie->drvdata->variant) { + case IMX6Q: + case IMX6QP: + 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 IMX6SX: clk_disable_unprepare(imx6_pcie->pcie_inbound_axi); break; -- 2.25.1
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