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 <[email protected]>
---
.../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 <[email protected]>
+
+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