Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / pci / samsung,exynos-pcie.yaml
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/samsung,exynos-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung SoC series PCIe Host Controller Device Tree Bindings
8
9 maintainers:
10   - Marek Szyprowski <m.szyprowski@samsung.com>
11   - Jaehoon Chung <jh80.chung@samsung.com>
12
13 description: |+
14   Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
15   PCIe IP and thus inherits all the common properties defined in
16   designware-pcie.txt.
17
18 allOf:
19   - $ref: /schemas/pci/pci-bus.yaml#
20
21 properties:
22   compatible:
23     const: samsung,exynos5433-pcie
24
25   reg:
26     items:
27       - description: Data Bus Interface (DBI) registers.
28       - description: External Local Bus interface (ELBI) registers.
29       - description: PCIe configuration space region.
30
31   reg-names:
32     items:
33       - const: dbi
34       - const: elbi
35       - const: config
36
37   interrupts:
38     maxItems: 1
39
40   clocks:
41     items:
42       - description: PCIe bridge clock
43       - description: PCIe bus clock
44
45   clock-names:
46     items:
47       - const: pcie
48       - const: pcie_bus
49
50   phys:
51     maxItems: 1
52
53   vdd10-supply:
54     description:
55       Phandle to a regulator that provides 1.0V power to the PCIe block.
56
57   vdd18-supply:
58     description:
59       Phandle to a regulator that provides 1.8V power to the PCIe block.
60
61   num-lanes:
62     const: 1
63
64   num-viewport:
65     const: 3
66
67 required:
68   - reg
69   - reg-names
70   - interrupts
71   - "#address-cells"
72   - "#size-cells"
73   - "#interrupt-cells"
74   - interrupt-map
75   - interrupt-map-mask
76   - ranges
77   - bus-range
78   - device_type
79   - num-lanes
80   - num-viewport
81   - clocks
82   - clock-names
83   - phys
84   - vdd10-supply
85   - vdd18-supply
86
87 unevaluatedProperties: false
88
89 examples:
90   - |
91     #include <dt-bindings/interrupt-controller/irq.h>
92     #include <dt-bindings/interrupt-controller/arm-gic.h>
93     #include <dt-bindings/clock/exynos5433.h>
94
95     pcie: pcie@15700000 {
96         compatible = "samsung,exynos5433-pcie";
97         reg = <0x15700000 0x1000>, <0x156b0000 0x1000>, <0x0c000000 0x1000>;
98         reg-names = "dbi", "elbi", "config";
99         #address-cells = <3>;
100         #size-cells = <2>;
101         #interrupt-cells = <1>;
102         device_type = "pci";
103         interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
104         clocks = <&cmu_fsys CLK_PCIE>, <&cmu_fsys CLK_PCLK_PCIE_PHY>;
105         clock-names = "pcie", "pcie_bus";
106         phys = <&pcie_phy>;
107         pinctrl-0 = <&pcie_bus &pcie_wlanen>;
108         pinctrl-names = "default";
109         num-lanes = <1>;
110         num-viewport = <3>;
111         bus-range = <0x00 0xff>;
112         ranges = <0x81000000 0 0          0x0c001000 0 0x00010000>,
113                  <0x82000000 0 0x0c011000 0x0c011000 0 0x03feefff>;
114         vdd10-supply = <&ldo6_reg>;
115         vdd18-supply = <&ldo7_reg>;
116         interrupt-map-mask = <0 0 0 0>;
117         interrupt-map = <0 0 0 0 &gic GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
118     };
119 ...