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Message-ID: <CO1PR11MB4865A1118ACB74B06408BBC792919@CO1PR11MB4865.namprd11.prod.outlook.com>
Date: Thu, 21 Jul 2022 06:08:46 +0000
From: <Kavyasree.Kotagiri@...rochip.com>
To: <Horatiu.Vultur@...rochip.com>
CC: <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
<Claudiu.Beznea@...rochip.com>, <arnd@...db.de>, <olof@...om.net>,
<soc@...nel.org>, <UNGLinuxDriver@...rochip.com>,
<maxime.chevallier@...tlin.com>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 2/2] ARM: dts: lan966x: add support for pcb8309
> Add basic support for pcb8309. It is similar with pcb8291 with one big
> difference that is having 2 SFP cages. Therefore it has 4 network ports.
>
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/lan966x-pcb8309.dts | 189
> ++++++++++++++++++++++++++
> 2 files changed, 191 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/lan966x-pcb8309.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 184899808ee7..6a6166e3a405 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -772,7 +772,8 @@ dtb-$(CONFIG_SOC_IMXRT) += \
> dtb-$(CONFIG_SOC_LAN966) += \
> lan966x-pcb8291.dtb \
> lan966x-kontron-kswitch-d10-mmt-6g-2gs.dtb \
> - lan966x-kontron-kswitch-d10-mmt-8g.dtb
> + lan966x-kontron-kswitch-d10-mmt-8g.dtb \
> + lan966x-pcb8309.dtb
> dtb-$(CONFIG_SOC_LS1021A) += \
> ls1021a-iot.dtb \
> ls1021a-moxa-uc-8410a.dtb \
> diff --git a/arch/arm/boot/dts/lan966x-pcb8309.dts
> b/arch/arm/boot/dts/lan966x-pcb8309.dts
> new file mode 100644
> index 000000000000..ef441195e8c1
> --- /dev/null
> +++ b/arch/arm/boot/dts/lan966x-pcb8309.dts
> @@ -0,0 +1,189 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * lan966x_pcb8309.dts - Device Tree file for PCB8309
> + */
> +/dts-v1/;
> +#include "lan966x.dtsi"
> +#include "dt-bindings/phy/phy-lan966x-serdes.h"
> +
> +/ {
> + model = "Microchip EVB - LAN9662";
> + compatible = "microchip,lan9662-pcb8309", "microchip,lan9662",
> "microchip,lan966";
> +
> + aliases {
> + serial0 = &usart3;
> + i2c102 = &i2c102;
> + i2c103 = &i2c103;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + gpio-restart {
> + compatible = "gpio-restart";
> + gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
> + priority = <200>;
> + };
> +
> + i2c-mux {
> + compatible = "i2c-mux";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + mux-controls = <&mux>;
> + i2c-parent = <&i2c4>;
> +
> + i2c102: i2c-sfp@1 {
> + reg = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
Why do you need #address-cells and #size-cells here?
> + };
> +
> + i2c103: i2c-sfp@2 {
> + reg = <2>;
> + #address-cells = <1>;
> + #size-cells = <0>;
Same here
> + };
> + };
> +
> + mux: mux-controller {
> + compatible = "gpio-mux";
> + #mux-control-cells = <0>;
> +
> + mux-gpios = <&sgpio_out 11 0 GPIO_ACTIVE_HIGH>, /*
> p11b0 */
> + <&sgpio_out 11 1 GPIO_ACTIVE_HIGH>; /* p11b1
> */
> + };
> +
> + sfp2: sfp2 {
> + compatible = "sff,sfp";
> + i2c-bus = <&i2c102>;
> + tx-disable-gpios = <&sgpio_out 10 0 GPIO_ACTIVE_LOW>;
> + los-gpios = <&sgpio_in 2 0 GPIO_ACTIVE_HIGH>;
> + mod-def0-gpios = <&sgpio_in 2 1 GPIO_ACTIVE_LOW>;
> + tx-fault-gpios = <&sgpio_in 1 0 GPIO_ACTIVE_HIGH>;
> + };
> +
> + sfp3: sfp3 {
> + compatible = "sff,sfp";
> + i2c-bus = <&i2c103>;
> + tx-disable-gpios = <&sgpio_out 10 1 GPIO_ACTIVE_LOW>;
> + los-gpios = <&sgpio_in 3 0 GPIO_ACTIVE_HIGH>;
> + mod-def0-gpios = <&sgpio_in 3 1 GPIO_ACTIVE_LOW>;
> + tx-fault-gpios = <&sgpio_in 1 1 GPIO_ACTIVE_HIGH>;
> + };
> +};
> +
> +&flx3 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
> + status = "okay";
> +
> + usart3: serial@200 {
> + pinctrl-0 = <&fc3_b_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> + };
> +};
> +
> +&flx4 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
> + status = "okay";
> +};
> +
> +&gpio {
> + fc3_b_pins: fc3-b-pins {
> + /* RXD, TXD */
> + pins = "GPIO_52", "GPIO_53";
> + function = "fc3_b";
> + };
> +
> + fc4_b_pins: fc4-b-pins {
> + /* SCL, SDA */
> + pins = "GPIO_57", "GPIO_58";
> + function = "fc4_b";
> + };
> +
> + sgpio_a_pins: sgpio-a-pins {
> + /* SCK, D0, D1, LD */
> + pins = "GPIO_32", "GPIO_33", "GPIO_34", "GPIO_35";
> + function = "sgpio_a";
> + };
> +};
> +
> +&i2c4 {
> + compatible = "microchip,sam9x60-i2c";
> + reg = <0x600 0x200>;
> + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
Same here
> + clocks = <&nic_clk>;
> + pinctrl-0 = <&fc4_b_pins>;
> + pinctrl-names = "default";
> + i2c-analog-filter;
> + i2c-digital-filter;
> + i2c-digital-filter-width-ns = <35>;
> + i2c-sda-hold-time-ns = <1500>;
> + status = "okay";
> +};
> +
> +&mdio1 {
> + status = "okay";
> +};
> +
> +&phy0 {
> + status = "okay";
> +};
> +
> +&phy1 {
> + status = "okay";
> +};
> +
> +&port0 {
> + status = "okay";
> + phy-handle = <&phy0>;
> + phy-mode = "gmii";
> + phys = <&serdes 0 CU(0)>;
> +};
> +
> +&port1 {
> + status = "okay";
> + phy-handle = <&phy1>;
> + phy-mode = "gmii";
> + phys = <&serdes 1 CU(1)>;
> +};
> +
> +&port2 {
> + status = "okay";
> + sfp = <&sfp2>;
> + managed = "in-band-status";
> + phy-mode = "sgmii";
> + phys = <&serdes 2 SERDES6G(0)>;
> +};
> +
> +&port3 {
> + status = "okay";
> + sfp = <&sfp3>;
> + managed = "in-band-status";
> + phy-mode = "sgmii";
> + phys = <&serdes 3 SERDES6G(1)>;
> +};
> +
> +&serdes {
> + status = "okay";
> +};
> +
> +&sgpio {
> + status = "okay";
> + pinctrl-0 = <&sgpio_a_pins>;
> + pinctrl-names = "default";
> + microchip,sgpio-port-ranges = <0 3>, <8 11>;
> + gpio@0 {
> + ngpios = <64>;
> + };
> + gpio@1 {
> + ngpios = <64>;
> + };
> +};
> +
> +&switch {
> + status = "okay";
> +};
> --
> 2.33.0
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