diff mbox series

[net-next,v3,1/3] dt-bindings: net: cdns,macb: added generic PHY and reset mappings for ZynqMP

Message ID 20220127002711.3632101-2-robert.hancock@calian.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Cadence MACB/GEM support for ZynqMP SGMII | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
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netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
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netdev/verify_fixes success No Fixes tag
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 65 lines checked
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netdev/source_inline success Was 0 now: 0

Commit Message

Robert Hancock Jan. 27, 2022, 12:27 a.m. UTC
Updated macb DT binding documentation to reflect the phy-names, phys,
resets, reset-names properties which are now used with ZynqMP GEM
devices, and added a ZynqMP-specific DT example.

Signed-off-by: Robert Hancock <robert.hancock@calian.com>
---
 .../devicetree/bindings/net/cdns,macb.yaml    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
index 8dd06db34169..6cd3d853dcba 100644
--- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
+++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
@@ -81,6 +81,25 @@  properties:
 
   phy-handle: true
 
+  phys:
+    maxItems: 1
+
+  phy-names:
+    const: sgmii-phy
+    description:
+      Required with ZynqMP SoC when in SGMII mode.
+      Should reference PS-GTR generic PHY device for this controller
+      instance. See ZynqMP example.
+
+  resets:
+    maxItems: 1
+    description:
+      Recommended with ZynqMP, specify reset control for this
+      controller instance with zynqmp-reset driver.
+
+  reset-names:
+    maxItems: 1
+
   fixed-link: true
 
   iommus:
@@ -157,3 +176,40 @@  examples:
                     reset-gpios = <&pioE 6 1>;
             };
     };
+
+  - |
+    #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
+    #include <dt-bindings/power/xlnx-zynqmp-power.h>
+    #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
+    #include <dt-bindings/phy/phy.h>
+
+    bus {
+            #address-cells = <2>;
+            #size-cells = <2>;
+            gem1: ethernet@ff0c0000 {
+                    compatible = "cdns,zynqmp-gem", "cdns,gem";
+                    interrupt-parent = <&gic>;
+                    interrupts = <0 59 4>, <0 59 4>;
+                    reg = <0x0 0xff0c0000 0x0 0x1000>;
+                    clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
+                             <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
+                             <&zynqmp_clk GEM_TSU>;
+                    clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                    #stream-id-cells = <1>;
+                    iommus = <&smmu 0x875>;
+                    power-domains = <&zynqmp_firmware PD_ETH_1>;
+                    resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
+                    reset-names = "gem1_rst";
+                    status = "okay";
+                    phy-mode = "sgmii";
+                    phy-names = "sgmii-phy";
+                    phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
+                    fixed-link {
+                            speed = <1000>;
+                            full-duplex;
+                            pause;
+                    };
+            };
+    };