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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 82160C433EF for ; Wed, 8 Sep 2021 14:16:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 692B7610C9 for ; Wed, 8 Sep 2021 14:16:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351853AbhIHORv (ORCPT ); Wed, 8 Sep 2021 10:17:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235140AbhIHORt (ORCPT ); Wed, 8 Sep 2021 10:17:49 -0400 Received: from yawp.biot.com (yawp.biot.com [IPv6:2a01:4f8:10a:8e::fce2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA816C061575 for ; Wed, 8 Sep 2021 07:16:41 -0700 (PDT) Received: from debian-spamd by yawp.biot.com with sa-checked (Exim 4.93) (envelope-from ) id 1mNyNT-00CSbk-NC for linux-kernel@vger.kernel.org; Wed, 08 Sep 2021 16:16:39 +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 1mNyNH-00CSXe-Hk; Wed, 08 Sep 2021 16:16:27 +0200 Received: from bert by sumner.biot.com with local (Exim 4.93) (envelope-from ) id 1mNyNH-000ZcN-2B; Wed, 08 Sep 2021 16:16:27 +0200 From: Bert Vermeulen List-Id: To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: John Crispin , Bert Vermeulen Subject: [PATCH v3 3/5] ARM: dts: Add basic support for Airoha EN7523 Date: Wed, 8 Sep 2021 16:16:04 +0200 Message-Id: <20210908141606.136792-4-bert@biot.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210908141606.136792-1-bert@biot.com> References: <20210908141606.136792-1-bert@biot.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: John Crispin Add basic support for Airoha 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 | 26 +++++++ arch/arm/boot/dts/en7523.dtsi | 114 +++++++++++++++++++++++++++++++ 3 files changed, 142 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..3525ace2d2e0 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-$(CONFIG_ARCH_AIROHA) += \ + en7523-evb.dtb dtb-$(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..fa595b97bdd8 --- /dev/null +++ b/arch/arm/boot/dts/en7523-evb.dts @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +/dts-v1/; + +/* Bootloader installs ATF here */ +/memreserve/ 0x80000000 0x80000; + +#include "en7523.dtsi" + +/ { + model = "Airoha EN7523 Evaluation Board"; + compatible = "airoha,en7523-evb", "airoha,en7523"; + + aliases { + serial0 = &uart1; + }; + + chosen { + bootargs = "earlycon=uart8250,mmio32,0x1fbf0000 console=ttyS0,115200"; + stdout-path = "serial0:115200n8"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x20000000>; + }; +}; diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi new file mode 100644 index 000000000000..034bd1de2cd6 --- /dev/null +++ b/arch/arm/boot/dts/en7523.dtsi @@ -0,0 +1,114 @@ +// 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-a53"; + reg = <0x0>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + enable-method = "psci"; + clock-frequency = <80000000>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + gic: interrupt-controller@9000000 { + compatible = "arm,gic-v3"; + interrupt-controller; + #interrupt-cells = <3>; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x09000000 0x20000>, <0x09080000 0x80000>; + interrupts = ; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + clock-frequency = <25000000>; + }; + + uart1: serial@1fbf0000 { + compatible = "ns8250"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + clock-frequency = <1843200>; + status = "okay"; + }; +}; -- 2.25.1