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Date: Tue, 14 Feb 2023 17:25:14 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Clément Léger <clement.leger@...tlin.com>
Cc: Magnus Damm <magnus.damm@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Herve Codina <herve.codina@...tlin.com>,
Miquèl Raynal <miquel.raynal@...tlin.com>,
Milan Stevanovic <milan.stevanovic@...com>,
Jimmy Lalande <jimmy.lalande@...com>,
Pascal Eberhard <pascal.eberhard@...com>,
linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Gareth Williams <gareth.williams.jx@...esas.com>
Subject: Re: [PATCH v2 2/2] ARM: dts: r9a06g032: add r9a06g032-rzn1d400-eb
board device-tree
Hi Clément,
CC Gareth
On Thu, Feb 9, 2023 at 2:32 PM Clément Léger <clement.leger@...tlin.com> wrote:
> The EB board (Expansion board) supports both RZ/N1D and RZ-N1S. Since this
> configuration targets only the RZ/N1D, it is named r9a06g032-rzn1d400-eb.
> It adds support for the 2 additional switch ports (port C and D) that are
> available on that board.
>
> Signed-off-by: Clément Léger <clement.leger@...tlin.com>
Thanks for your patch!
> --- /dev/null
> +++ b/arch/arm/boot/dts/r9a06g032-rzn1d400-eb.dts
> @@ -0,0 +1,94 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for the RZN1D-EB Board
> + *
> + * Copyright (C) 2023 Schneider-Electric
> + *
> + */
> +
> +#include "r9a06g032-rzn1d400-db.dts"
> +
> +/ {
> + model = "RZN1D-EB Board";
> + compatible = "renesas,rzn1d400-eb", "renesas,rzn1d400-db",
> + "renesas,r9a06g032";
> +};
> +
> +&mii_conv2 {
> + renesas,miic-input = <MIIC_SWITCH_PORTD>;
> + status = "okay";
> +};
> +
> +&mii_conv3 {
> + renesas,miic-input = <MIIC_SWITCH_PORTC>;
> + status = "okay";
> +};
> +
> +&pinctrl{
> + pins_eth1: pins-eth1 {
> + pinmux = <RZN1_PINMUX(12, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(13, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(14, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(15, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(16, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(17, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(18, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(19, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(20, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(21, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(22, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(23, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>;
> + drive-strength = <6>;
> + bias-disable;
> + };
> +
> + pins_eth2: pins-eth2 {
> + pinmux = <RZN1_PINMUX(24, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(25, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(26, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(27, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(28, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(29, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(30, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(31, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(32, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(33, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(34, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>,
> + <RZN1_PINMUX(35, RZN1_FUNC_CLK_ETH_MII_RGMII_RMII)>;
> + drive-strength = <6>;
> + bias-disable;
> + };
> +};
> +
> +&switch {
> + pinctrl-names = "default";
No need to specify pinctrl-names, as it is inherited from
r9a06g032-rzn1d400-db.dts.
> + pinctrl-0 = <&pins_eth1>, <&pins_eth2>, <&pins_eth3>, <&pins_eth4>,
> + <&pins_mdio1>;
> +
> + mdio {
> + /* CN15 and CN16 switches must be configured in MDIO2 mode */
> + switch0phy1: ethernet-phy@1 {
> + reg = <1>;
> + marvell,reg-init = <3 16 0 0x1010>;
marvell,reg-init is not documented in any DT bindings document?
> + };
> +
> + switch0phy10: ethernet-phy@10 {
> + reg = <10>;
> + marvell,reg-init = <3 16 0 0x1010>;
> + };
> + };
> +};
> +
> +&switch_port2 {
> + label = "lan2";
> + phy-mode = "rgmii-id";
> + phy-handle = <&switch0phy10>;
> + status = "okay";
> +};
> +
> +&switch_port3 {
> + label = "lan3";
> + phy-mode = "rgmii-id";
> + phy-handle = <&switch0phy1>;
> + status = "okay";
> +};
The rest LGTM (as far as I can understand ;-)
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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