On Tue, Oct 15, 2024 at 08:58:31PM +0800, Wei Fang wrote: > Add bindings for NXP NETC blocks control. Usually, NETC has 2 blocks of > 64KB registers, integrated endpoint register block (IERB) and privileged > register block (PRB). IERB is used for pre-boot initialization for all > NETC devices, such as ENETC, Timer, EMIDO and so on. And PRB controls EMIDO or EMDIO? > global reset and global error handling for NETC. Moreover, for the i.MX > platform, there is also a NETCMIX block for link configuration, such as > MII protocol, PCS protocol, etc. > > Signed-off-by: Wei Fang <wei.fang@xxxxxxx> > --- > v2 changes: > 1. Rephrase the commit message. > 2. Change unevaluatedProperties to additionalProperties. > 3. Remove the useless lables from examples. > --- > .../bindings/net/nxp,netc-blk-ctrl.yaml | 107 ++++++++++++++++++ > 1 file changed, 107 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/nxp,netc-blk-ctrl.yaml > > diff --git a/Documentation/devicetree/bindings/net/nxp,netc-blk-ctrl.yaml b/Documentation/devicetree/bindings/net/nxp,netc-blk-ctrl.yaml > new file mode 100644 > index 000000000000..18a6ccf6bc2e > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/nxp,netc-blk-ctrl.yaml > @@ -0,0 +1,107 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/nxp,netc-blk-ctrl.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: NETC Blocks Control > + > +description: > + Usually, NETC has 2 blocks of 64KB registers, integrated endpoint register > + block (IERB) and privileged register block (PRB). IERB is used for pre-boot > + initialization for all NETC devices, such as ENETC, Timer, EMIDO and so on. > + And PRB controls global reset and global error handling for NETC. Moreover, > + for the i.MX platform, there is also a NETCMIX block for link configuration, > + such as MII protocol, PCS protocol, etc. > + > +maintainers: > + - Wei Fang <wei.fang@xxxxxxx> > + - Clark Wang <xiaoning.wang@xxxxxxx> > + > +properties: > + compatible: > + enum: > + - nxp,imx95-netc-blk-ctrl > + > + reg: > + minItems: 2 > + maxItems: 3 > + > + reg-names: > + minItems: 2 > + items: > + - const: ierb > + - const: prb > + - const: netcmix > + > + "#address-cells": > + const: 2 > + > + "#size-cells": > + const: 2 > + > + ranges: true > + > + clocks: > + items: > + - description: NETC system clock Just 'maxItems: 1' is enough. The description doesn't add much. > + > + clock-names: > + items: > + - const: ipg_clk Just 'ipg' > + > + power-domains: > + maxItems: 1 > + > +patternProperties: > + "^pcie@[0-9a-f]+$": > + $ref: /schemas/pci/host-generic-pci.yaml# > + > +required: > + - compatible > + - "#address-cells" > + - "#size-cells" > + - reg > + - reg-names > + - ranges > + > +additionalProperties: false > + > +examples: > + - | > + bus { > + #address-cells = <2>; > + #size-cells = <2>; > + > + netc-blk-ctrl@4cde0000 { > + compatible = "nxp,imx95-netc-blk-ctrl"; > + reg = <0x0 0x4cde0000 0x0 0x10000>, > + <0x0 0x4cdf0000 0x0 0x10000>, > + <0x0 0x4c81000c 0x0 0x18>; > + reg-names = "ierb", "prb", "netcmix"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + clocks = <&scmi_clk 98>; > + clock-names = "ipg_clk"; > + power-domains = <&scmi_devpd 18>; > + > + pcie@4cb00000 { > + compatible = "pci-host-ecam-generic"; > + reg = <0x0 0x4cb00000 0x0 0x100000>; > + #address-cells = <3>; > + #size-cells = <2>; > + device_type = "pci"; > + bus-range = <0x1 0x1>; > + ranges = <0x82000000 0x0 0x4cce0000 0x0 0x4cce0000 0x0 0x20000 > + 0xc2000000 0x0 0x4cd10000 0x0 0x4cd10000 0x0 0x10000>; > + > + mdio@0,0 { > + compatible = "pci1131,ee00"; > + reg = <0x010000 0 0 0 0>; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + }; > + }; > + }; > -- > 2.34.1 >
