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 X-Spam-Level: X-Spam-Status: No, score=-17.5 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 4DCFCC4338F for ; Fri, 30 Jul 2021 13:49:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1A79960EFF for ; Fri, 30 Jul 2021 13:49:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1A79960EFF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=biot.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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=WX404QiCec8PseE8eRHC8q1BJlFQS6oaBsQDVUTRvsc=; b=eOu6FpoP1ZIQ0g TnKftOp7tqaJ/tM38/dVjRn+gfxIewZWsoe/hqwXTQYqkadFxMtQL3VyUBHHD1/eIYtS2dGlT4VWF ot9Tg8x+rQsW0OlqHYcUjkIiEpynjLFevPyddm4KGJ7zW4isfsCLrw1+DFRowFKV6nw/NtulIrVTD SZS6+wZrCs0DkXWSWdXBzk1BIezbhDEz3Gnwgtg7spn3GNie7MP78Z2hMa2q5+TLyRxIuqiubVT7t C51GlGMbVygpuSegpu23BhO24JilKhC4bk5op1BZWxUUxUkzBGW7db6qNZ/kjmhQ0auIGglmsreSm 7rWQ07OHhFWKN4yvXVNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9Sqe-008pFU-6N; Fri, 30 Jul 2021 13:46:48 +0000 Received: from yawp.biot.com ([2a01:4f8:10a:8e::fce2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9Sq4-008p7a-CN for linux-arm-kernel@lists.infradead.org; Fri, 30 Jul 2021 13:46:13 +0000 Received: from debian-spamd by yawp.biot.com with sa-checked (Exim 4.93) (envelope-from ) id 1m9Sq2-006bVm-Rh for linux-arm-kernel@lists.infradead.org; Fri, 30 Jul 2021 15:46:11 +0200 Received: from [2a02:578:460c:1:ae1f:6bff:fed1:9ca8] (helo=sumner.biot.com) by yawp.biot.com with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1m9Spw-006bTh-8k; Fri, 30 Jul 2021 15:46:04 +0200 Received: from bert by sumner.biot.com with local (Exim 4.93) (envelope-from ) id 1m9Spv-003a1j-PJ; Fri, 30 Jul 2021 15:46:03 +0200 From: Bert Vermeulen List-Id: To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring Cc: Bert Vermeulen , John Crispin , Felix Fietkau Subject: [PATCH 3/5] ARM: dts: Add basic support for EcoNet EN7523 Date: Fri, 30 Jul 2021 15:45:50 +0200 Message-Id: <20210730134552.853350-4-bert@biot.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210730134552.853350-1-bert@biot.com> References: <20210730134552.853350-1-bert@biot.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210730_064612_468454_293025F2 X-CRM114-Status: GOOD ( 15.66 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: John Crispin Add basic support for EcoNet EN7523, enough for booting to console. The UART is basically 8250-compatible, except for the clock selection. A clock-frequency value is synthesized to get this to run at 115200 bps. Signed-off-by: John Crispin Signed-off-by: Bert Vermeulen --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/en7523-evb.dts | 17 ++++ arch/arm/boot/dts/en7523.dtsi | 128 +++++++++++++++++++++++++++++++ 3 files changed, 147 insertions(+) create mode 100644 arch/arm/boot/dts/en7523-evb.dts create mode 100644 arch/arm/boot/dts/en7523.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 863347b6b65e..3eeb7715c6ce 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -174,6 +174,8 @@ dtb-$(CONFIG_ARCH_DAVINCI) += \ da850-lego-ev3.dtb dtb-$(CONFIG_ARCH_DIGICOLOR) += \ cx92755_equinox.dtb +dtb-$(CONFIG_ARCH_ECONET) += \ + en7523-evb.dtb dtb-$(CONFIG_ARCH_EXYNOS3) += \ exynos3250-artik5-eval.dtb \ exynos3250-monk.dtb \ diff --git a/arch/arm/boot/dts/en7523-evb.dts b/arch/arm/boot/dts/en7523-evb.dts new file mode 100644 index 000000000000..c5b75eb3715e --- /dev/null +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; +#include "en7523.dtsi" + +/ { + model = "Econet EN7523 Evaluation Board"; + compatible = "econet,en7523-evb", "econet,en7523"; + + aliases { + serial0 = &uart1; + }; + + chosen { + bootargs = "earlycon=uart8250,mmio32,0x1fbf0000 console=ttyS0,115200"; + stdout-path = "serial0:115200n8"; + }; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi new file mode 100644 index 000000000000..f4fe1c6f66e8 --- /dev/null +++ b/arch/arm/boot/dts/en7523.dtsi @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include + +/ { + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + npu_binary@84000000 { + no-map; + reg = <0x84000000 0xA00000>; + }; + + npu_flag@84B0000 { + no-map; + reg = <0x84B00000 0x100000>; + }; + + npu_pkt@85000000 { + no-map; + reg = <0x85000000 0x1A00000>; + }; + + npu_phyaddr@86B00000 { + no-map; + reg = <0x86B00000 0x100000>; + }; + + npu_rxdesc@86D00000 { + no-map; + reg = <0x86D00000 0x100000>; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + }; + }; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x1>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + gic: interrupt-controller@09000000 { + compatible = "arm,gic-v3"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x09000000 0x20000>, + <0x09080000 0x80000>; + interrupts = ; + + its: gic-its@09020000 { + compatible = "arm,gic-v3-its"; + msi-controller; + #msi-cell = <1>; + reg = <0x090200000 0x20000>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + clock-frequency = <25000000>; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x40000000>; + }; + + uart1: serial@1fbf0000 { + compatible = "ns8250"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + clock-frequency = <1843200>; + status = "okay"; + }; +}; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel