From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E114C433EF for ; Tue, 14 Dec 2021 07:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231497AbhLNHX6 (ORCPT ); Tue, 14 Dec 2021 02:23:58 -0500 Received: from inva020.nxp.com ([92.121.34.13]:47530 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231426AbhLNHXu (ORCPT ); Tue, 14 Dec 2021 02:23:50 -0500 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 25DD31A0939; Tue, 14 Dec 2021 08:23:49 +0100 (CET) Received: from smtp.na-rdc02.nxp.com (usphx01srsp001v.us-phx01.nxp.com [134.27.49.11]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B65251A0935; Tue, 14 Dec 2021 08:23:48 +0100 (CET) Received: from right.am.freescale.net (right.am.freescale.net [10.81.116.142]) by usphx01srsp001v.us-phx01.nxp.com (Postfix) with ESMTP id E13864043D; Tue, 14 Dec 2021 00:23:47 -0700 (MST) From: Li Yang To: Shawn Guo , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Pankaj Bansal , Li Yang Subject: [PATCH v3 04/10] arm64: dts: lx2160a-qds: Add mdio mux nodes Date: Tue, 14 Dec 2021 01:23:36 -0600 Message-Id: <20211214072342.22692-5-leoyang.li@nxp.com> X-Mailer: git-send-email 2.25.1.377.g2d2118b In-Reply-To: <20211214072342.22692-1-leoyang.li@nxp.com> References: <20211214072342.22692-1-leoyang.li@nxp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pankaj Bansal The two external MDIO buses used to communicate with phy devices that are external to SOC are muxed in LX2160AQDS board. These buses can be routed to any one of the eight IO slots on LX2160AQDS board depending on value in fpga register 0x54. Additionally the external MDIO1 is used to communicate to the onboard RGMII phy devices. The mdio1 is controlled by bits 4-7 of fpga register and mdio2 is controlled by bits 4-7 of fpga register. Signed-off-by: Pankaj Bansal Signed-off-by: Li Yang --- .../boot/dts/freescale/fsl-lx2160a-qds.dts | 145 ++++++++++++++++++ 1 file changed, 145 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts index 8354af0b31e3..2ecfa90f5e28 100644 --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts @@ -31,6 +31,130 @@ sb_3v3: regulator-sb3v3 { regulator-boot-on; regulator-always-on; }; + + mdio-mux-1 { + compatible = "mdio-mux-multiplexer"; + mux-controls = <&mux 0>; + mdio-parent-bus = <&emdio1>; + #address-cells=<1>; + #size-cells = <0>; + + mdio@0 { /* On-board PHY #1 RGMI1*/ + reg = <0x00>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@8 { /* On-board PHY #2 RGMI2*/ + reg = <0x8>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@18 { /* Slot #1 */ + reg = <0x18>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@19 { /* Slot #2 */ + reg = <0x19>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1a { /* Slot #3 */ + reg = <0x1a>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1b { /* Slot #4 */ + reg = <0x1b>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1c { /* Slot #5 */ + reg = <0x1c>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1d { /* Slot #6 */ + reg = <0x1d>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1e { /* Slot #7 */ + reg = <0x1e>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1f { /* Slot #8 */ + reg = <0x1f>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + mdio-mux-2 { + compatible = "mdio-mux-multiplexer"; + mux-controls = <&mux 1>; + mdio-parent-bus = <&emdio2>; + #address-cells=<1>; + #size-cells = <0>; + + mdio@0 { /* Slot #1 (secondary EMI) */ + reg = <0x00>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@1 { /* Slot #2 (secondary EMI) */ + reg = <0x01>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@2 { /* Slot #3 (secondary EMI) */ + reg = <0x02>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@3 { /* Slot #4 (secondary EMI) */ + reg = <0x03>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@4 { /* Slot #5 (secondary EMI) */ + reg = <0x04>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@5 { /* Slot #6 (secondary EMI) */ + reg = <0x05>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@6 { /* Slot #7 (secondary EMI) */ + reg = <0x06>; + #address-cells = <1>; + #size-cells = <0>; + }; + + mdio@7 { /* Slot #8 (secondary EMI) */ + reg = <0x07>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; }; &can0 { @@ -81,6 +205,14 @@ dflash2: flash@0 { }; }; +&emdio1 { + status = "okay"; +}; + +&emdio2 { + status = "okay"; +}; + &esdhc0 { status = "okay"; }; @@ -107,6 +239,19 @@ mt35xu512aba0: flash@0 { &i2c0 { status = "okay"; + fpga@66 { + compatible = "fsl,lx2160aqds-fpga", "fsl,fpga-qixis-i2c", + "simple-mfd"; + reg = <0x66>; + + mux: mux-controller { + compatible = "reg-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x54 0xf8>, /* 0: reg 0x54, bits 7:3 */ + <0x54 0x07>; /* 1: reg 0x54, bit 2:0 */ + }; + }; + i2c-mux@77 { compatible = "nxp,pca9547"; reg = <0x77>; -- 2.25.1