From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752022AbeCaHpq (ORCPT ); Sat, 31 Mar 2018 03:45:46 -0400 Received: from mga03.intel.com ([134.134.136.65]:10007 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751538AbeCaHpo (ORCPT ); Sat, 31 Mar 2018 03:45:44 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,383,1517904000"; d="scan'208";a="42835305" From: Haiyue Wang To: joel@jms.id.au, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org Cc: Haiyue Wang Subject: [PATCH dts/arm/aspeed-g5 v1] ARM: dts: aspeed-g5: Add IPMI KCS nodes for SMS and SMM mode Date: Sat, 31 Mar 2018 15:46:38 +0800 Message-Id: <1522482398-6248-1-git-send-email-haiyue.wang@linux.intel.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The IPMI KCS device part of the LPC interface and is used for communication with the host processor. Keyboard Controller Style Interfaces: The KCS channel number is assigned by AST_usrGuide_KCS.pdf Name | Use | Address | KCS Channel | SMS Interface | SMS | 0CA2h – 0CA3h | kcs3 | SMM Interface | SMI handling | 0CA4h – 0CA5h | kcs4 | Signed-off-by: Haiyue Wang --- The kcs_bmc_aspeed driver is in linux-next now: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/char/ipmi/kcs_bmc_aspeed.c?h=next-20180329 --- arch/arm/boot/dts/aspeed-g5.dtsi | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi index 17ee0fa3..8d6c4af 100644 --- a/arch/arm/boot/dts/aspeed-g5.dtsi +++ b/arch/arm/boot/dts/aspeed-g5.dtsi @@ -268,8 +268,22 @@ ranges = <0x0 0x1e789000 0x1000>; lpc_bmc: lpc-bmc@0 { - compatible = "aspeed,ast2500-lpc-bmc"; + compatible = "aspeed,ast2500-lpc-bmc", "simple-mfd", "syscon"; reg = <0x0 0x80>; + reg-io-width = <4>; + + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x80>; + + kcs3: kcs3@0 { + compatible = "aspeed,ast2500-kcs-bmc"; + reg = <0x0 0x80>; + interrupts = <8>; + kcs_chan = <3>; + kcs_addr = <0xca2>; + status = "disabled"; + }; }; lpc_host: lpc-host@80 { @@ -281,6 +295,15 @@ #size-cells = <1>; ranges = <0x0 0x80 0x1e0>; + kcs4: kcs4@0 { + compatible = "aspeed,ast2500-kcs-bmc"; + reg = <0x0 0xa0>; + interrupts = <8>; + kcs_chan = <4>; + kcs_addr = <0xca4>; + status = "disabled"; + }; + lpc_ctrl: lpc-ctrl@0 { compatible = "aspeed,ast2500-lpc-ctrl"; reg = <0x0 0x80>; -- 2.7.4