Hi Rob, On 13/01/20 11:29 PM, Rob Herring wrote: > On Thu, Jan 2, 2020 at 3:54 AM Kishon Vijay Abraham I <kishon@xxxxxx> wrote: >> >> Add DT binding documentation for WIZ (SERDES wrapper). WIZ is *NOT* a >> PHY but a wrapper used to configure some of the input signals to the >> SERDES. It is used with both Sierra(16G) and Torrent(10G) serdes. >> >> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> >> [jsarha@xxxxxx: Add separate compatible for Sierra(16G) and Torrent(10G) >> SERDES] >> Signed-off-by: Jyri Sarha <jsarha@xxxxxx> >> --- >> Changes from v4: >> *) Fixed the indentation as suggested by Rob v4 >> >> .../bindings/phy/ti,phy-j721e-wiz.yaml | 204 ++++++++++++++++++ >> 1 file changed, 204 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml >> >> diff --git a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml >> new file mode 100644 >> index 000000000000..e010ea46b88d >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml >> @@ -0,0 +1,204 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +# Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ >> +%YAML 1.2 >> +--- >> +$id: "http://devicetree.org/schemas/phy/ti,phy-j721e-wiz.yaml#" >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#" >> + >> +title: TI J721E WIZ (SERDES Wrapper) >> + >> +maintainers: >> + - Kishon Vijay Abraham I <kishon@xxxxxx> >> + >> +properties: >> + compatible: >> + enum: >> + - ti,j721e-wiz-16g >> + - ti,j721e-wiz-10g >> + >> + power-domains: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 3 >> + description: clock-specifier to represent input to the WIZ >> + >> + clock-names: >> + items: >> + - const: fck >> + - const: core_ref_clk >> + - const: ext_ref_clk >> + >> + num-lanes: >> + minimum: 1 >> + maximum: 4 >> + >> + "#address-cells": >> + const: 1 >> + >> + "#size-cells": >> + const: 1 >> + >> + "#reset-cells": >> + const: 1 >> + >> + ranges: true >> + >> + assigned-clocks: >> + maxItems: 2 >> + >> + assigned-clock-parents: >> + maxItems: 2 >> + >> +patternProperties: >> + "^pll[0|1]-refclk$": >> + type: object >> + description: | >> + WIZ node should have subnodes for each of the PLLs present in >> + the SERDES. >> + properties: >> + clocks: >> + maxItems: 2 >> + description: Phandle to clock nodes representing the two inputs to PLL. >> + >> + "#clock-cells": >> + const: 0 >> + >> + assigned-clocks: >> + maxItems: 1 >> + >> + assigned-clock-parents: >> + maxItems: 1 >> + >> + required: >> + - clocks >> + - "#clock-cells" >> + - assigned-clocks >> + - assigned-clock-parents >> + >> + "^cmn-refclk1?-dig-div$": >> + type: object >> + description: >> + WIZ node should have subnodes for each of the PMA common refclock >> + provided by the SERDES. >> + properties: >> + clocks: >> + maxItems: 1 >> + description: Phandle to the clock node representing the input to the >> + divider clock. >> + >> + "#clock-cells": >> + const: 0 >> + >> + required: >> + - clocks >> + - "#clock-cells" >> + >> + "^refclk-dig$": >> + type: object >> + description: | >> + WIZ node should have subnode for refclk_dig to select the reference >> + clock source for the reference clock used in the PHY and PMA digital >> + logic. >> + properties: >> + clocks: >> + maxItems: 4 >> + description: Phandle to four clock nodes representing the inputs to >> + refclk_dig >> + >> + "#clock-cells": >> + const: 0 >> + >> + assigned-clocks: >> + maxItems: 1 >> + >> + assigned-clock-parents: >> + maxItems: 1 >> + >> + required: >> + - clocks >> + - "#clock-cells" >> + - assigned-clocks >> + - assigned-clock-parents >> + >> + "^serdes@[0-9a-f]+$": >> + type: object >> + description: | >> + WIZ node should have '1' subnode for the SERDES. It could be either >> + Sierra SERDES or Torrent SERDES. Sierra SERDES should follow the >> + bindings specified in >> + Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt >> + Torrent SERDES should follow the bindings specified in >> + Documentation/devicetree/bindings/phy/phy-cadence-dp.txt >> + >> +required: >> + - compatible >> + - power-domains >> + - clocks >> + - clock-names >> + - num-lanes >> + - "#address-cells" >> + - "#size-cells" >> + - "#reset-cells" >> + - ranges >> + >> +examples: >> + - | >> + #include <dt-bindings/soc/ti,sci_pm_domain.h> >> + >> + wiz@5000000 { >> + compatible = "ti,j721e-wiz-16g"; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>; >> + clocks = <&k3_clks 292 5>, <&k3_clks 292 11>, <&dummy_cmn_refclk>; >> + clock-names = "fck", "core_ref_clk", "ext_ref_clk"; >> + assigned-clocks = <&k3_clks 292 11>, <&k3_clks 292 0>; >> + assigned-clock-parents = <&k3_clks 292 15>, <&k3_clks 292 4>; >> + num-lanes = <2>; >> + #reset-cells = <1>; >> + ranges = <0x5000000 0x0 0x5000000 0x10000>; > > This fails in linux-next: > > Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.example.dts:30.16-59: > Warning (ranges_format): /example-0/wiz@50 > 00000:ranges: "ranges" property has invalid length (16 bytes) (parent > #address-cells == 1, child #address-cells == 1, # > size-cells == 1) > > Please fix. Fixed and pushed. Thanks Kishon > > Rob >