From patchwork Tue Mar 30 00:23:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 12171397 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A35EC433E1 for ; Tue, 30 Mar 2021 01:53:31 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A041C6198F for ; Tue, 30 Mar 2021 01:53:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A041C6198F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bewilderbeest.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+pHSOguBw2TcvOp2tdXhJiZC4nzjOpyXySB9G9FIZ8o=; b=TzaauukMWJR57F4pRIdBv+q8Y rsPkxo1e4V6lCGt8+YhO9I/eNALVUIHgBiKUkw9uNjsRTt5Y+x6HfJDh6yhEvc3CmV1wmUyk/+dfO rqlRLTV5d0S9lRWq/2j9X5c9UKV2k+TdbfwrTFx27IXY2EyBO/I6mhuxjVIftMj4r9kIv2H8PtYFC eVjtzSjYF2nH5okfeWpUX98OFtgjMITKEvmcoj7bfEZBCLHREFaTheBqPsMkpgz2uvyknK0Kfaqj4 8sfA0V9zFPsHuUJ6KNIhmveT/KI5W8bG8rrBfHZys4UhasaFQqJ1nbQMg9l58OMgc6c8T6AR/fxgL HZ4a47pSg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lR3X1-002NO4-N4; Tue, 30 Mar 2021 01:51:00 +0000 Received: from thorn.bewilderbeest.net ([2605:2700:0:5::4713:9cab]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lR2BQ-002AEo-B6 for linux-arm-kernel@lists.infradead.org; Tue, 30 Mar 2021 00:24:57 +0000 Received: from hatter.bewilderbeest.net (unknown [IPv6:2600:6c44:7f:ba20::7c6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 1D52E196; Mon, 29 Mar 2021 17:24:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1617063875; bh=a68ojvNQDbC+AUZLivBjbDIVsO6PemBG+Kg4ci1snXQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RqMybm5NJ4LYIhg26JQHwqz1DqUbeW6JqFIDkVy/f9JY4rOkesBZXpH2elHvtVPwS ScownTse3Njf4e6vksmTwA1+EusamiR6MUBgu/4ambtOYvjDXYKz9WD7Fk8oWItPDJ MTBu7fBKSLQy4SRV3pk7ohlOWnOSfN0knhcL0jOs= From: Zev Weiss To: Joel Stanley Cc: openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Andrew Jeffery , Zev Weiss , Greg Kroah-Hartman , Jiri Slaby , "Alexander A. Klimov" , Masahiro Yamada , Josh Triplett , linux-serial@vger.kernel.org Subject: [PATCH 1/3] drivers/tty/serial/8250: simplify Aspeed VUART SIRQ polarity DT config Date: Mon, 29 Mar 2021 19:23:36 -0500 Message-Id: <20210330002338.335-2-zev@bewilderbeest.net> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210330002338.335-1-zev@bewilderbeest.net> References: <20210330002338.335-1-zev@bewilderbeest.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_012455_605782_3903B014 X-CRM114-Status: GOOD ( 15.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The initial implementation of this configuration conflated the SIRQ polarity setting with the syscon eSPI/LPC strapping; this patch disentangles them by reducing the DT config to a simple boolean. Signed-off-by: Zev Weiss --- drivers/tty/serial/8250/8250_aspeed_vuart.c | 39 ++------------------- drivers/tty/serial/8250/Kconfig | 1 - 2 files changed, 2 insertions(+), 38 deletions(-) diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c index c33e02cbde93..b9b5fa58ab28 100644 --- a/drivers/tty/serial/8250/8250_aspeed_vuart.c +++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c @@ -10,8 +10,6 @@ #include #include #include -#include -#include #include #include #include @@ -346,30 +344,8 @@ static int aspeed_vuart_handle_irq(struct uart_port *port) return 1; } -static void aspeed_vuart_auto_configure_sirq_polarity( - struct aspeed_vuart *vuart, struct device_node *syscon_np, - u32 reg_offset, u32 reg_mask) -{ - struct regmap *regmap; - u32 value; - - regmap = syscon_node_to_regmap(syscon_np); - if (IS_ERR(regmap)) { - dev_warn(vuart->dev, - "could not get regmap for aspeed,sirq-polarity-sense\n"); - return; - } - if (regmap_read(regmap, reg_offset, &value)) { - dev_warn(vuart->dev, "could not read hw strap table\n"); - return; - } - - aspeed_vuart_set_sirq_polarity(vuart, (value & reg_mask) == 0); -} - static int aspeed_vuart_probe(struct platform_device *pdev) { - struct of_phandle_args sirq_polarity_sense_args; struct uart_8250_port port; struct aspeed_vuart *vuart; struct device_node *np; @@ -468,19 +444,8 @@ static int aspeed_vuart_probe(struct platform_device *pdev) vuart->line = rc; - rc = of_parse_phandle_with_fixed_args( - np, "aspeed,sirq-polarity-sense", 2, 0, - &sirq_polarity_sense_args); - if (rc < 0) { - dev_dbg(&pdev->dev, - "aspeed,sirq-polarity-sense property not found\n"); - } else { - aspeed_vuart_auto_configure_sirq_polarity( - vuart, sirq_polarity_sense_args.np, - sirq_polarity_sense_args.args[0], - BIT(sirq_polarity_sense_args.args[1])); - of_node_put(sirq_polarity_sense_args.np); - } + if (of_property_read_bool(np, "aspeed,sirq-active-high")) + aspeed_vuart_set_sirq_polarity(vuart, 1); aspeed_vuart_set_enabled(vuart, true); aspeed_vuart_set_host_tx_discard(vuart, true); diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index 603137da4736..105a325bcdd1 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -254,7 +254,6 @@ config SERIAL_8250_ASPEED_VUART tristate "Aspeed Virtual UART" depends on SERIAL_8250 depends on OF - depends on REGMAP && MFD_SYSCON help If you want to use the virtual UART (VUART) device on Aspeed BMC platforms, enable this option. This enables the 16550A- From patchwork Tue Mar 30 00:23:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 12171401 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E29BC433DB for ; Tue, 30 Mar 2021 01:53:31 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 772B0619A9 for ; Tue, 30 Mar 2021 01:53:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 772B0619A9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bewilderbeest.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gAXpw8zinf2rBgWrFVsb2zPLV1wlbESEZ73SUwmyq0Q=; b=kKE59M1qb5ilCcKHiTzzNmzEd LXfQpqJbEhjAHTkIH56vM/DU6k7+PQzMwC6KDEQ1r2i+kykzVH37AjjLOSkMKrkTfo9jdeYfJe+PR Yh5dp+cXdx0+uZjAd0gFYZ+uBg1s2x11581pwdwPZJGTgM7LwlDoEFrELwqAP/3+a55WgXui/f0A8 88kbUukjBeUJSOd6zc8S8Umnd5RrcDvH5/C51XjrNrqZ5P3OCpC3O+LUarfaxBu/4YY/8vv3TPUwa eqiALzrv9ulgMShEDBNc1353d0lgXH2Si4CFNjDMOD90O9Kt2KeIyDtFEUcTRFIDtbfYLev/ou2f8 hdXkPPiqg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lR3X9-002NOZ-J9; Tue, 30 Mar 2021 01:51:07 +0000 Received: from thorn.bewilderbeest.net ([2605:2700:0:5::4713:9cab]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lR2Bk-002AId-15 for linux-arm-kernel@lists.infradead.org; Tue, 30 Mar 2021 00:25:33 +0000 Received: from hatter.bewilderbeest.net (unknown [IPv6:2600:6c44:7f:ba20::7c6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id CDBB3373; Mon, 29 Mar 2021 17:24:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1617063894; bh=/9ihArs2Y5nqE6CHv1WmVwDQQrPL9NzAFux7u/c08ww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OOrxlajmImZXKgUN3fi/ETblSJLGwuBqdMn1HtNxikoj8n19rQG/xf+Hboe3gORv4 KuW1Twxqb3ZHyaUBeu9RDLXzrsncDXXqiP7d/1pwO+TyPcrALgnmc+NZf61eCKYm1i 3HjgiNvg0r9a0MWJM1/a0VyQqd35yBa/0AxhcEzc= From: Zev Weiss To: Joel Stanley Cc: openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Andrew Jeffery , Zev Weiss , Greg Kroah-Hartman , Rob Herring , Lubomir Rintel , - , linux-serial@vger.kernel.org Subject: [PATCH 2/3] dt-bindings: serial: 8250: update for aspeed, sirq-active-high Date: Mon, 29 Mar 2021 19:23:37 -0500 Message-Id: <20210330002338.335-3-zev@bewilderbeest.net> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210330002338.335-1-zev@bewilderbeest.net> References: <20210330002338.335-1-zev@bewilderbeest.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_012532_364424_A9F66989 X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update DT bindings documentation for the new incarnation of the aspeed,sirq-polarity-sense property. Signed-off-by: Zev Weiss --- Documentation/devicetree/bindings/serial/8250.yaml | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index f54cae9ff7b2..0bbb7121f720 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -13,7 +13,7 @@ allOf: - $ref: /schemas/serial.yaml# - if: required: - - aspeed,sirq-polarity-sense + - aspeed,sirq-active-high then: properties: compatible: @@ -181,13 +181,11 @@ properties: rng-gpios: true dcd-gpios: true - aspeed,sirq-polarity-sense: - $ref: /schemas/types.yaml#/definitions/phandle-array + aspeed,sirq-active-high: + type: boolean description: | - Phandle to aspeed,ast2500-scu compatible syscon alongside register - offset and bit number to identify how the SIRQ polarity should be - configured. One possible data source is the LPC/eSPI mode bit. Only - applicable to aspeed,ast2500-vuart. + Set to indicate that the SIRQ polarity is active-high (default + is active-low). Only applicable to aspeed,ast2500-vuart. required: - reg @@ -227,7 +225,7 @@ examples: interrupts = <8>; clocks = <&syscon ASPEED_CLK_APB>; no-loopback-test; - aspeed,sirq-polarity-sense = <&syscon 0x70 25>; + aspeed,sirq-active-high; }; ... From patchwork Tue Mar 30 00:23:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 12171399 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33FCCC433E0 for ; Tue, 30 Mar 2021 01:53:31 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A03DB61989 for ; Tue, 30 Mar 2021 01:53:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A03DB61989 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bewilderbeest.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UL0jINUULM1hDOWj6vnSGbdJilhta/zGyIBavUmVxKw=; b=gMwdCg4p927ZcPh2ujgLYI2Uz GmmSOTJsIULo/Dj4pqGyuemYnZvqrd2/p7ZT7uA8eP0pyObHcm+pn6s96fFLc/kir++fhlZpsHlro fXwBvaruIcUd0f6+o+mXs3aVRtEFpy7qK1tkEJMccWp6LB8RQwO8J5EvuWRiKDR3hvj81O5YJTmgg z6uchH56UjIik2rIU9c0yoEcxK3cbITFTdqVIFn/7aYWVdgyUXS6eKMe08CaImq3Z44JIoZPxVEU+ n/okH43znb8otNptiCTTaKMb3gucTKXaMcK6QW0yAFZUn/JwDkPP8QB8i/ueAbAFpxcz60lVBpwN8 uYAQ0DKKA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lR3XG-002NOu-8q; Tue, 30 Mar 2021 01:51:14 +0000 Received: from thorn.bewilderbeest.net ([2605:2700:0:5::4713:9cab]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lR2Bt-002AKc-5t for linux-arm-kernel@lists.infradead.org; Tue, 30 Mar 2021 00:25:34 +0000 Received: from hatter.bewilderbeest.net (unknown [IPv6:2600:6c44:7f:ba20::7c6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 3CD4FA8F; Mon, 29 Mar 2021 17:25:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1617063904; bh=w56QNwgTzFfQ20vdnp8aRrubhpSunslkOzk8MrUdZrs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MK8VEoXaqnXH7v/g8EcaqO9T/0rkLDIvncZI8E7U1Do4HtUu0GgJuIMXBG3N4lAb9 gcWlsAeiXvmTgTJOUxknhUhuOAz3SaAfUn5ACUpPJ1wD8Y3SAhhjeItdGmzhtu9rq3 D05/dvDIiWIqUZNIwjsm2lotMzG+W3NBYgxNyFSM= From: Zev Weiss To: Joel Stanley Cc: openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, Andrew Jeffery , Zev Weiss , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH 3/3] ARM: dts: aspeed: add ASRock E3C246D4I BMC Date: Mon, 29 Mar 2021 19:23:38 -0500 Message-Id: <20210330002338.335-4-zev@bewilderbeest.net> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210330002338.335-1-zev@bewilderbeest.net> References: <20210330002338.335-1-zev@bewilderbeest.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_012532_358498_B1468017 X-CRM114-Status: GOOD ( 13.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This is a relatively low-cost AST2500-based Xeon E-2100/E-2200 series mini-ITX board that we hope can provide a decent platform for OpenBMC development. This initial device-tree provides the necessary configuration for basic BMC functionality such as host power control, serial console and KVM support, and POST code snooping. Signed-off-by: Zev Weiss Reviewed-by: Joel Stanley --- .../boot/dts/aspeed-bmc-asrock-e3c246d4i.dts | 188 ++++++++++++++++++ 1 file changed, 188 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts new file mode 100644 index 000000000000..27b34c3cf67a --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: GPL-2.0+ +/dts-v1/; + +#include "aspeed-g5.dtsi" +#include +#include + +/{ + model = "ASRock E3C246D4I BMC"; + compatible = "aspeed,ast2500"; + + aliases { + serial4 = &uart5; + }; + + chosen { + stdout-path = &uart5; + bootargs = "console=tty0 console=ttyS4,115200 earlyprintk"; + }; + + memory@80000000 { + reg = <0x80000000 0x20000000>; + }; + + leds { + compatible = "gpio-leds"; + + heartbeat { + /* BMC_HB_LED_N */ + gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>; + linux,default-trigger = "timer"; + }; + + system-fault { + /* SYSTEM_FAULT_LED_N */ + gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>; + panic-indicator; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + + uid-button { + label = "uid-button"; + gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>; + linux,code = ; + }; + }; + + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>, + <&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>, + <&adc 10>, <&adc 11>, <&adc 12>; + }; +}; + +&fmc { + status = "okay"; + flash@0 { + status = "okay"; + m25p,fast-read; + label = "bmc"; + spi-max-frequency = <100000000>; /* 100 MHz */ +#include "openbmc-flash-layout.dtsi" + }; +}; + +&uart5 { + status = "okay"; +}; + +&vuart { + status = "okay"; + aspeed,sirq-active-high; +}; + +&mac0 { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>; +}; + +&i2c1 { + status = "okay"; + + /* thermal sensor, one diode run to a disconnected header */ + w83773g@4c { + compatible = "nuvoton,w83773g"; + reg = <0x4c>; + }; +}; + +&i2c3 { + status = "okay"; + + /* FRU EEPROM */ + eeprom@57 { + compatible = "st,24c128", "atmel,24c128"; + reg = <0x57>; + pagesize = <16>; + }; +}; + +&video { + status = "okay"; +}; + +&vhub { + status = "okay"; +}; + +&lpc_ctrl { + status = "okay"; +}; + +&lpc_snoop { + status = "okay"; + snoop-ports = <0x80>; +}; + +&gpio { + status = "okay"; + gpio-line-names = + /* A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI", + "", "", "", "", + /* B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "", + /* C */ "", "", "", "", "", "", "", "", + /* D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON", + "", "", "", "", + /* E */ "", "", "", "", "", "", "", "", + /* F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "", + "", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL", + /* G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2", + "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT", + /* H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N", + "MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN", + /* I */ "", "", "", "", "", "", "", "", + /* J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "", + "", "", "", "", + /* K */ "", "", "", "", "", "", "", "", + /* L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1", + "BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1", + /* M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "", + "", "", "", "", + /* N */ "", "", "", "", "", "", "", "", + /* O */ "", "", "", "", "", "", "", "", + /* P */ "", "", "", "", "", "", "", "", + /* Q */ "", "", "", "", + "BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N", + "BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N", + /* R */ "", "", "", "", "", "", "", "", + /* S */ "PCHHOT_BMC_N", "", "RSMRST", + "", "", "", "", "", + /* T */ "", "", "", "", "", "", "", "", + /* U */ "", "", "", "", "", "", "", "", + /* V */ "", "", "", "", "", "", "", "", + /* W */ "PS_PWROK", /* dummy always-high signal */ + "", "", "", "", "", "", "", + /* X */ "", "", "", "", "", "", "", "", + /* Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "", + /* Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N", + "", "", "", "", + /* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "", + "", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N", + /* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY", + "", "", "", "", + /* AC */ "LAD0", "LAD1", "LAD2", "LAD3", + "CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST"; + + /* Assert BMC_READY so BIOS doesn't sit around waiting for it */ + bmc-ready { + gpio-hog; + gpios = ; + output-high; + }; +}; + +&adc { + status = "okay"; +}; + +&kcs3 { + status = "okay"; + aspeed,lpc-io-reg = <0xca2>; +};