Re: [PATCH net-next 9/9] arm64: dts: add serdes and mdio description

From: Russell King - ARM Linux admin
Date: Fri Mar 27 2020 - 08:09:50 EST

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In reply to: Florinel Iordache: "[PATCH net-next 9/9] arm64: dts: add serdes and mdio description"
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On Thu, Mar 26, 2020 at 03:51:22PM +0200, Florinel Iordache wrote:
> Add dt nodes with serdes, lanes, mdio generic description for supported
> platforms: ls1046, ls1088, ls2088, lx2160. This is a prerequisite to
> enable backplane on device tree for these platforms.
>
> Signed-off-by: Florinel Iordache <florinel.iordache@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 33 ++++-
> arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 97 ++++++++++++-
> arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 160 ++++++++++++++++++++-
> arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 128 ++++++++++++++++-
> .../boot/dts/freescale/qoriq-fman3-0-10g-0.dtsi | 5 +-
> .../boot/dts/freescale/qoriq-fman3-0-10g-1.dtsi | 5 +-
> 6 files changed, 418 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> index d4c1da3..c7d845f 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
> @@ -3,7 +3,7 @@
> * Device Tree Include file for Freescale Layerscape-1046A family SoC.
> *
> * Copyright 2016 Freescale Semiconductor, Inc.
> - * Copyright 2018 NXP
> + * Copyright 2018, 2020 NXP
> *
> * Mingkai Hu <mingkai.hu@xxxxxxx>
> */
> @@ -735,6 +735,37 @@
> status = "disabled";
> };
>
> + serdes1: serdes@1ea0000 {
> + compatible = "serdes-10g";
> + reg = <0x0 0x1ea0000 0 0x00002000>;
> + reg-names = "serdes", "serdes-10g";
> + big-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x00 0x1ea0000 0x00002000>;
> + lane_a: lane@800 {
> + compatible = "lane-10g";
> + reg = <0x800 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_b: lane@840 {
> + compatible = "lane-10g";
> + reg = <0x840 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_c: lane@880 {
> + compatible = "lane-10g";
> + reg = <0x880 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_d: lane@8c0 {
> + compatible = "lane-10g";
> + reg = <0x8c0 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + };
> +
> pcie_ep@3600000 {
> compatible = "fsl,ls1046a-pcie-ep", "fsl,ls-pcie-ep";
> reg = <0x00 0x03600000 0x0 0x00100000
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 5945662..474464e 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -2,7 +2,7 @@
> /*
> * Device Tree Include file for NXP Layerscape-1088A family SoC.
> *
> - * Copyright 2017 NXP
> + * Copyright 2017, 2020 NXP
> *
> * Harninder Rai <harninder.rai@xxxxxxx>
> *
> @@ -325,6 +325,69 @@
> #interrupt-cells = <2>;
> };
>
> + /* WRIOP0: 0x8B8_0000, E-MDIO1: 0x1_6000 */
> + emdio1: mdio@8B96000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8B96000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian; /* force the driver in LE mode */
> +
> + /* Not necessary on the QDS, but needed on the RDB */
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + /* WRIOP0: 0x8B8_0000, E-MDIO2: 0x1_7000 */
> + emdio2: mdio@8B97000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8B97000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian; /* force the driver in LE mode */
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio1: mdio@0x8c07000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c07000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio2: mdio@0x8c0b000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0b000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio3: mdio@0x8c0f000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0f000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio4: mdio@0x8c13000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c13000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> ifc: ifc@2240000 {
> compatible = "fsl,ifc", "simple-bus";
> reg = <0x0 0x2240000 0x0 0x20000>;
> @@ -777,6 +840,38 @@
> };
> };
> };
> +
> + serdes1: serdes@1ea0000 {
> + compatible = "serdes-10g";
> + reg = <0x0 0x1ea0000 0 0x00002000>;
> + reg-names = "serdes", "serdes-10g";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x00 0x1ea0000 0x00002000>;
> + lane_a: lane@800 {
> + compatible = "lane-10g";
> + reg = <0x800 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_b: lane@840 {
> + compatible = "lane-10g";
> + reg = <0x840 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_c: lane@880 {
> + compatible = "lane-10g";
> + reg = <0x880 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_d: lane@8c0 {
> + compatible = "lane-10g";
> + reg = <0x8c0 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + };
> +
> };
>
> firmware {
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> index f96d06d..e8f3026 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> @@ -3,7 +3,7 @@
> * Device Tree Include file for Freescale Layerscape-2080A family SoC.
> *
> * Copyright 2016 Freescale Semiconductor, Inc.
> - * Copyright 2017 NXP
> + * Copyright 2017, 2020 NXP
> *
> * Abhimanyu Saini <abhimanyu.saini@xxxxxxx>
> *
> @@ -560,6 +560,113 @@
> #interrupt-cells = <2>;
> };
>
> + /* WRIOP0: 0x8B8_0000, E-MDIO1: 0x1_6000 */
> + emdio1: mdio@8B96000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8B96000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian; /* force the driver in LE mode */
> +
> + /* Not necessary on the QDS, but needed on the RDB */
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + /* WRIOP0: 0x8B8_0000, E-MDIO2: 0x1_7000 */
> + emdio2: mdio@8B97000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8B97000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian; /* force the driver in LE mode */
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio1: mdio@0x8c07000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c07000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio2: mdio@0x8c0b000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0b000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio3: mdio@0x8c0f000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0f000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio4: mdio@0x8c13000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c13000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio5: mdio@0x8c17000 {
> + status = "disabled";
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c17000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio6: mdio@0x8c1b000 {
> + status = "disabled";
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c1b000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio7: mdio@0x8c1f000 {
> + status = "disabled";
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c1f000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio8: mdio@0x8c23000 {
> + status = "disabled";
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c23000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> i2c0: i2c@2000000 {
> status = "disabled";
> compatible = "fsl,vf610-i2c";
> @@ -754,6 +861,57 @@
> snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
> };
>
> + serdes1: serdes@1ea0000 {
> + compatible = "serdes-10g";
> + reg = <0x0 0x1ea0000 0 0x00002000>;
> + reg-names = "serdes", "serdes-10g";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x00 0x1ea0000 0x00002000>;
> + lane_a: lane@800 {
> + compatible = "lane-10g";
> + reg = <0x800 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_b: lane@840 {
> + compatible = "lane-10g";
> + reg = <0x840 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_c: lane@880 {
> + compatible = "lane-10g";
> + reg = <0x880 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_d: lane@8c0 {
> + compatible = "lane-10g";
> + reg = <0x8c0 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_e: lane@900 {
> + compatible = "lane-10g";
> + reg = <0x900 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_f: lane@940 {
> + compatible = "lane-10g";
> + reg = <0x940 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_g: lane@980 {
> + compatible = "lane-10g";
> + reg = <0x980 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_h: lane@9c0 {
> + compatible = "lane-10g";
> + reg = <0x9c0 0x40>;
> + reg-names = "lane", "serdes-lane";
> + };
> + };
> +
> ccn@4000000 {
> compatible = "arm,ccn-504";
> reg = <0x0 0x04000000 0x0 0x01000000>;
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index e5ee559..2815908 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -2,7 +2,7 @@
> //
> // Device Tree Include file for Layerscape-LX2160A family SoC.
> //
> -// Copyright 2018 NXP
> +// Copyright 2018, 2020 NXP
>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> @@ -947,9 +947,9 @@
> #address-cells = <1>;
> #size-cells = <0>;
> little-endian;
> - status = "disabled";
> };
>
> + /* WRIOP0: 0x8b8_0000, E-MDIO2: 0x1_7000 */
> emdio2: mdio@8b97000 {
> compatible = "fsl,fman-memac-mdio";
> reg = <0x0 0x8b97000 0x0 0x1000>;
> @@ -957,7 +957,129 @@
> little-endian;
> #address-cells = <1>;
> #size-cells = <0>;
> - status = "disabled";
> + };
> +
> + pcs_mdio1: mdio@0x8c07000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c07000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio2: mdio@0x8c0b000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0b000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio3: mdio@0x8c0f000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c0f000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio4: mdio@0x8c13000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c13000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio5: mdio@0x8c17000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c17000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio6: mdio@0x8c1b000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c1b000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio7: mdio@0x8c1f000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c1f000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + pcs_mdio8: mdio@0x8c23000 {
> + compatible = "fsl,fman-memac-mdio";
> + reg = <0x0 0x8c23000 0x0 0x1000>;
> + device_type = "mdio";
> + little-endian;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };

This is a subset of the entries I've posted in my PCS series...

> +
> + serdes1: serdes@1ea0000 {
> + compatible = "serdes-28g";
> + reg = <0x0 0x1ea0000 0 0x00002000>;
> + reg-names = "serdes", "serdes-28g";
> + little-endian;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x00 0x1ea0000 0x00002000>;
> + lane_a: lane@800 {
> + compatible = "lane-28g";
> + reg = <0x800 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_b: lane@900 {
> + compatible = "lane-28g";
> + reg = <0x900 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_c: lane@a00 {
> + compatible = "lane-28g";
> + reg = <0xa00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_d: lane@b00 {
> + compatible = "lane-28g";
> + reg = <0xb00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_e: lane@c00 {
> + compatible = "lane-28g";
> + reg = <0xc00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_f: lane@d00 {
> + compatible = "lane-28g";
> + reg = <0xd00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_g: lane@e00 {
> + compatible = "lane-28g";
> + reg = <0xe00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> + lane_h: lane@f00 {
> + compatible = "lane-28g";
> + reg = <0xf00 0x100>;
> + reg-names = "lane", "serdes-lane";
> + };
> };
>
> fsl_mc: fsl-mc@80c000000 {
> diff --git a/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-0.dtsi b/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-0.dtsi
> index dbd2fc3..d6191f1 100644
> --- a/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-0.dtsi
> +++ b/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-0.dtsi
> @@ -3,6 +3,7 @@
> * QorIQ FMan v3 10g port #0 device tree
> *
> * Copyright 2012-2015 Freescale Semiconductor Inc.
> + * Copyright 2020 NXP
> *
> */
>
> @@ -21,7 +22,7 @@ fman@1a00000 {
> fsl,fman-10g-port;
> };
>
> - ethernet@f0000 {
> + mac9: ethernet@f0000 {
> cell-index = <0x8>;
> compatible = "fsl,fman-memac";
> reg = <0xf0000 0x1000>;
> @@ -29,7 +30,7 @@ fman@1a00000 {
> pcsphy-handle = <&pcsphy6>;
> };
>
> - mdio@f1000 {
> + mdio9: mdio@f1000 {
> #address-cells = <1>;
> #size-cells = <0>;
> compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
> diff --git a/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-1.dtsi b/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-1.dtsi
> index 6fc5d25..1f6f28f 100644
> --- a/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-1.dtsi
> +++ b/arch/arm64/boot/dts/freescale/qoriq-fman3-0-10g-1.dtsi
> @@ -3,6 +3,7 @@
> * QorIQ FMan v3 10g port #1 device tree
> *
> * Copyright 2012-2015 Freescale Semiconductor Inc.
> + * Copyright 2020 NXP
> *
> */
>
> @@ -21,7 +22,7 @@ fman@1a00000 {
> fsl,fman-10g-port;
> };
>
> - ethernet@f2000 {
> + mac10: ethernet@f2000 {
> cell-index = <0x9>;
> compatible = "fsl,fman-memac";
> reg = <0xf2000 0x1000>;
> @@ -29,7 +30,7 @@ fman@1a00000 {
> pcsphy-handle = <&pcsphy7>;
> };
>
> - mdio@f3000 {
> + mdio10: mdio@f3000 {
> #address-cells = <1>;
> #size-cells = <0>;
> compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
> --
> 1.9.1
>
>

--
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