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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/samsung,exynos-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SoC series PCIe Host Controller Device Tree Bindings
+
+maintainers:
+ - Marek Szyprowski <m.szyprowski@samsung.com>
+ - Jaehoon Chung <jh80.chung@samsung.com>
+
+description: |+
+ Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
+ PCIe IP and thus inherits all the common properties defined in
+ designware-pcie.txt.
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+ compatible:
+ const: samsung,exynos5433-pcie
+
+ reg:
+ items:
+ - description: Data Bus Interface (DBI) registers.
+ - description: External Local Bus interface (ELBI) registers.
+ - description: PCIe configuration space region.
+
+ reg-names:
+ items:
+ - const: dbi
+ - const: elbi
+ - const: config
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: PCIe bridge clock
+ - description: PCIe bus clock
+
+ clock-names:
+ items:
+ - const: pcie
+ - const: pcie_bus
+
+ phys:
+ maxItems: 1
+
+ vdd10-supply:
+ description:
+ Phandle to a regulator that provides 1.0V power to the PCIe block.
+
+ vdd18-supply:
+ description:
+ Phandle to a regulator that provides 1.8V power to the PCIe block.
+
+ num-lanes:
+ const: 1
+
+required:
+ - reg
+ - reg-names
+ - interrupts
+ - "#address-cells"
+ - "#size-cells"
+ - "#interrupt-cells"
+ - interrupt-map
+ - interrupt-map-mask
+ - ranges
+ - bus-range
+ - device_type
+ - num-lanes
+ - clocks
+ - clock-names
+ - phys
+ - vdd10-supply
+ - vdd18-supply
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/exynos5433.h>
+
+ pcie: pcie@15700000 {
+ compatible = "samsung,exynos5433-pcie";
+ reg = <0x15700000 0x1000>, <0x156b0000 0x1000>, <0x0c000000 0x1000>;
+ reg-names = "dbi", "elbi", "config";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ device_type = "pci";
+ interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_fsys CLK_PCIE>, <&cmu_fsys CLK_PCLK_PCIE_PHY>;
+ clock-names = "pcie", "pcie_bus";
+ phys = <&pcie_phy>;
+ pinctrl-0 = <&pcie_bus &pcie_wlanen>;
+ pinctrl-names = "default";
+ num-lanes = <1>;
+ bus-range = <0x00 0xff>;
+ ranges = <0x81000000 0 0 0x0c001000 0 0x00010000>,
+ <0x82000000 0 0x0c011000 0x0c011000 0 0x03feefff>;
+ vdd10-supply = <&ldo6_reg>;
+ vdd18-supply = <&ldo7_reg>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
Add dt-bindings for the Samsung Exynos PCIe controller (Exynos5433 variant). Based on the text dt-binding posted by Jaehoon Chung. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- .../bindings/pci/samsung,exynos-pcie.yaml | 114 ++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml