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Message-Id: <1626942155-9209-3-git-send-email-hongxing.zhu@nxp.com>
Date: Thu, 22 Jul 2021 16:22:35 +0800
From: Richard Zhu <hongxing.zhu@....com>
To: robh@...nel.org, galak@...nel.crashing.org, shawnguo@...nel.org,
devicetree@...r.kernel.org
Cc: l.stach@...gutronix.de, linux-imx@....com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Richard Zhu <hongxing.zhu@....com>
Subject: [RFC 2/2] dt-bindings: PCI: imx6: remove fsl,imx6q-pcie.txt
Convert the fsl,imx6q-pcie.txt to yaml. The properties defined
in fsl,imx6q-pcie.txt were converted to DT schema.
Remove fsl,imx6q-pcie.txt.
Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
.../bindings/pci/fsl,imx6q-pcie.txt | 102 ------------------
MAINTAINERS | 1 -
2 files changed, 103 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
deleted file mode 100644
index 9acd92c1ff5f..000000000000
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
+++ /dev/null
@@ -1,102 +0,0 @@
-* Freescale i.MX6 PCIe interface
-
-This PCIe host controller is based on the Synopsys DesignWare PCIe IP
-and thus inherits all the common properties defined in designware-pcie.txt.
-
-Required properties:
-- compatible:
- - "fsl,imx6q-pcie"
- - "fsl,imx6sx-pcie",
- - "fsl,imx6qp-pcie"
- - "fsl,imx7d-pcie"
- - "fsl,imx8mq-pcie"
-- reg: base address and length of the PCIe controller
-- interrupts: A list of interrupt outputs of the controller. Must contain an
- entry for each entry in the interrupt-names property.
-- interrupt-names: Must include the following entries:
- - "msi": The interrupt that is asserted when an MSI is received
-- clock-names: Must include the following additional entries:
- - "pcie_phy"
-
-Optional properties:
-- fsl,tx-deemph-gen1: Gen1 De-emphasis value. Default: 0
-- fsl,tx-deemph-gen2-3p5db: Gen2 (3.5db) De-emphasis value. Default: 0
-- fsl,tx-deemph-gen2-6db: Gen2 (6db) De-emphasis value. Default: 20
-- fsl,tx-swing-full: Gen2 TX SWING FULL value. Default: 127
-- fsl,tx-swing-low: TX launch amplitude swing_low value. Default: 127
-- fsl,max-link-speed: Specify PCI gen for link capability. Must be '2' for
- gen2, otherwise will default to gen1. Note that the IMX6 LVDS clock outputs
- do not meet gen2 jitter requirements and thus for gen2 capability a gen2
- compliant clock generator should be used and configured.
-- phys: Phandle of the Generic PHY to the PCIe PHY.
-- phy-names: MUST be "pcie-phy".
-- reset-gpio: Should specify the GPIO for controlling the PCI bus device reset
- signal. It's not polarity aware and defaults to active-low reset sequence
- (L=reset state, H=operation state).
-- reset-gpio-active-high: If present then the reset sequence using the GPIO
- specified in the "reset-gpio" property is reversed (H=reset state,
- L=operation state).
-- vpcie-supply: Should specify the regulator in charge of PCIe port power.
- The regulator will be enabled when initializing the PCIe host and
- disabled either as part of the init process or when shutting down the
- host.
-- vph-supply: Should specify the regulator in charge of VPH one of the three
- PCIe PHY powers. This regulator can be supplied by both 1.8v and 3.3v voltage
- supplies.
-
-Additional required properties for imx6sx-pcie:
-- clock names: Must include the following additional entries:
- - "pcie_inbound_axi"
-- power-domains: Must be set to phandles pointing to the DISPLAY and
- PCIE_PHY power domains
-- power-domain-names: Must be "pcie", "pcie_phy"
-
-Additional required properties for imx7d-pcie and imx8mq-pcie:
-- power-domains: Must be set to a phandle pointing to PCIE_PHY power domain
-- resets: Must contain phandles to PCIe-related reset lines exposed by SRC
- IP block
-- reset-names: Must contain the following entries:
- - "pciephy"
- - "apps"
- - "turnoff"
-- fsl,imx7d-pcie-phy: A phandle to an fsl,imx7d-pcie-phy node.
-
-Additional required properties for imx8mq-pcie:
-- clock-names: Must include the following additional entries:
- - "pcie_aux"
-
-Example:
-
- pcie@...00000 {
- compatible = "fsl,imx6q-pcie", "snps,dw-pcie";
- reg = <0x01ffc000 0x04000>,
- <0x01f00000 0x80000>;
- reg-names = "dbi", "config";
- #address-cells = <3>;
- #size-cells = <2>;
- device_type = "pci";
- ranges = <0x00000800 0 0x01f00000 0x01f00000 0 0x00080000
- 0x81000000 0 0 0x01f80000 0 0x00010000
- 0x82000000 0 0x01000000 0x01000000 0 0x00f00000>;
- num-lanes = <1>;
- interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "msi";
- #interrupt-cells = <1>;
- interrupt-map-mask = <0 0 0 0x7>;
- interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks 144>, <&clks 206>, <&clks 189>;
- clock-names = "pcie", "pcie_bus", "pcie_phy";
- };
-
-* Freescale i.MX7d PCIe PHY
-
-This is the PHY associated with the IMX7d PCIe controller. It's used by the
-PCI-e controller via the fsl,imx7d-pcie-phy phandle.
-
-Required properties:
-- compatible:
- - "fsl,imx7d-pcie-phy"
-- reg: base address and length of the PCIe PHY controller
diff --git a/MAINTAINERS b/MAINTAINERS
index a616e250d846..3cfa77b7ce6b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14185,7 +14185,6 @@ M: Lucas Stach <l.stach@...gutronix.de>
L: linux-pci@...r.kernel.org
L: linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
F: drivers/pci/controller/dwc/*imx6*
--
2.17.1
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