Add description to support Axis, ARTPEC-8 SoC. ARTPEC-8 is the SoC platform of Axis Communications and PCIe phy is designed based on SAMSUNG PHY. Signed-off-by: Wangseok Lee <wangseok.lee@xxxxxxxxxxx> --- .../bindings/phy/axis,artpec8-pcie-phy.yaml | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml new file mode 100644 index 0000000..f5f4166 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/axis,artpec8-pcie-phy.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/axis,artpec8-pcie-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARTPEC-8 SoC PCIe PHY Device Tree Bindings + +maintainers: + - Jesper Nilsson <jesper.nilsson@xxxxxxxx> + +properties: + compatible: + const: axis,artpec8-pcie-phy + + reg: + items: + - description: PHY registers. + - description: PHY coding sublayer registers. + + reg-names: + items: + - const: phy + - const: pcs + + clocks: + items: + - description: PCIe PHY reference clock + + clock-names: + items: + - const: ref_clk + +required: + - compatible + - "#phy-cells" + - reg + - reg-names + - clocks + - clock-names + - samsung,fsys-sysreg + - num-lanes + + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + artec8 { + #address-cells = <2>; + #size-cells = <2>; + pcie_phy: pcie-phy@16c80000 { + compatible = "samsung,artpec8-pcie-phy"; + #phy-cells = <0>; + reg = <0x0 0x16c80000 0x0 0x2000>, + <0x0 0x16c90000 0x0 0x1000>; + reg-names = "phy", "pcs"; + clocks = <&clock_cmu_fsys 53>; + clock-names = "ref_clk"; + samsung,fsys-sysreg = <&syscon_fsys>; + num-lanes = <2>; + }; + }; +... -- 2.9.5
