From patchwork Mon Jul 8 16:04:57 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 2824952 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A03F09F7D6 for ; Mon, 8 Jul 2013 16:05:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1BDD720160 for ; Mon, 8 Jul 2013 16:05:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EA7220149 for ; Mon, 8 Jul 2013 16:05:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751488Ab3GHQFB (ORCPT ); Mon, 8 Jul 2013 12:05:01 -0400 Received: from moutng.kundenserver.de ([212.227.17.10]:50153 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751305Ab3GHQFA (ORCPT ); Mon, 8 Jul 2013 12:05:00 -0400 Received: from axis700.grange (dslb-094-221-113-239.pools.arcor-ip.net [94.221.113.239]) by mrelayeu.kundenserver.de (node=mrbap1) with ESMTP (Nemesis) id 0LgvGY-1URp7s3V9a-00nkUk; Mon, 08 Jul 2013 18:04:59 +0200 Received: from 6a.grange (6a.grange [192.168.1.11]) by axis700.grange (Postfix) with ESMTPS id 7743E40BB4; Mon, 8 Jul 2013 18:04:58 +0200 (CEST) Received: from lyakh by 6a.grange with local (Exim 4.72) (envelope-from ) id 1UwDvu-0002cU-BN; Mon, 08 Jul 2013 18:04:58 +0200 From: Guennadi Liakhovetski To: linux-sh@vger.kernel.org Cc: Magnus Damm , Simon Horman , Guennadi Liakhovetski Subject: [PATCH v3 1/2] ARM: shmobile: ape6evm: add DT reference Date: Mon, 8 Jul 2013 18:04:57 +0200 Message-Id: <1373299498-10044-2-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1373299498-10044-1-git-send-email-g.liakhovetski@gmx.de> References: <1373299498-10044-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:NLK/3Aw39XeDD4wd+931cGa5IGz3jv/Rza3K35yESBK OLVgmkk7PMh5Ctf/Bf387L0BLHxQ40g3KQFpUKwofSDPB7sIpe dr1iiWXTBQR4Ohtr7tTXA0KIrqHfQx11FsCA2/+GMtoyPC2Y5a 05BrO41sPlPT5YGVYVVkT2LmXLJ/Ey98bxPp2NsSwHtoYApLxN HpH0ftQX9eRAE/YT8GzlMJWE6SYOFYOVlilOxYZP7SZrQStnkO 4agUE4K3lVrbwGu2rB4V6/tuIWS1+22IWJ2ocvieBNyHArRtg6 RrOGhTC8+cPGM8LW4eaadU0wv2Iaj77RFkvRSAvk8lU2uWOGR2 0IbDY8IRSiKynBBDBF0fik4ljCq3f3/V5B5GCDkj9suWrLjl6W NatKu1lkSdQSg== Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a sample DT-based APE6EVM "reference" implementation. The use of platform-specific C-code should be avoided with this configuration as much as possible. Signed-off-by: Guennadi Liakhovetski --- v3: (former "PATCH v2 2/4") 1. same function name "r8a73a4_add_dt_devices()" 2. preserve device registration order in setup-r8a73a4.c to match r8a7790 3. don't use networking / NFS in bootargs arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts | 33 ++++++++++ arch/arm/mach-shmobile/Kconfig | 11 ++++ arch/arm/mach-shmobile/Makefile | 1 + arch/arm/mach-shmobile/Makefile.boot | 1 + arch/arm/mach-shmobile/board-ape6evm-reference.c | 71 ++++++++++++++++++++++ arch/arm/mach-shmobile/include/mach/r8a73a4.h | 1 + arch/arm/mach-shmobile/setup-r8a73a4.c | 9 ++- 8 files changed, 126 insertions(+), 2 deletions(-) create mode 100644 arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts create mode 100644 arch/arm/mach-shmobile/board-ape6evm-reference.c diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f2dc697..ea5f2bd 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -169,6 +169,7 @@ dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \ sh73a0-kzm9g.dtb \ sh73a0-kzm9g-reference.dtb \ r8a73a4-ape6evm.dtb \ + r8a73a4-ape6evm-reference.dtb \ sh7372-mackerel.dtb dtb-$(CONFIG_ARCH_SOCFPGA) += socfpga_cyclone5.dtb \ socfpga_vt.dtb diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts new file mode 100644 index 0000000..3251f05 --- /dev/null +++ b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts @@ -0,0 +1,33 @@ +/* + * Device Tree Source for the APE6EVM board + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/dts-v1/; +/include/ "r8a73a4.dtsi" + +/ { + model = "APE6EVM"; + compatible = "renesas,ape6evm-reference", "renesas,r8a73a4"; + + chosen { + bootargs = "console=ttySC0,115200 ignore_loglevel"; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0 0x40000000 0 0x40000000>; + }; + + lbsc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0x80000000>; + }; +}; diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 30c571b..606e3a6 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -83,6 +83,17 @@ config MACH_APE6EVM depends on ARCH_R8A73A4 select USE_OF +config MACH_APE6EVM_REFERENCE + bool "APE6EVM board - Reference Device Tree Implementation" + depends on ARCH_R8A73A4 + select USE_OF + ---help--- + Use reference implementation of APE6EVM board support + which makes a greater use of device tree at the expense + of not supporting a number of devices. + + This is intended to aid developers + config MACH_MACKEREL bool "mackerel board" depends on ARCH_SH7372 diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index d813133..7535ccb 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_ARCH_SH73A0) += pm-sh73a0.o # Board objects obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o obj-$(CONFIG_MACH_APE6EVM) += board-ape6evm.o +obj-$(CONFIG_MACH_APE6EVM_REFERENCE) += board-ape6evm-reference.o obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o obj-$(CONFIG_MACH_KOTA2) += board-kota2.o obj-$(CONFIG_MACH_BOCKW) += board-bockw.o diff --git a/arch/arm/mach-shmobile/Makefile.boot b/arch/arm/mach-shmobile/Makefile.boot index 16834d8..64f821f 100644 --- a/arch/arm/mach-shmobile/Makefile.boot +++ b/arch/arm/mach-shmobile/Makefile.boot @@ -2,6 +2,7 @@ loadaddr-y := loadaddr-$(CONFIG_MACH_AG5EVM) += 0x40008000 loadaddr-$(CONFIG_MACH_APE6EVM) += 0x40008000 +loadaddr-$(CONFIG_MACH_APE6EVM_REFERENCE) += 0x40008000 loadaddr-$(CONFIG_MACH_ARMADILLO800EVA) += 0x40008000 loadaddr-$(CONFIG_MACH_ARMADILLO800EVA_REFERENCE) += 0x40008000 loadaddr-$(CONFIG_MACH_BOCKW) += 0x60008000 diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c new file mode 100644 index 0000000..c828874 --- /dev/null +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c @@ -0,0 +1,71 @@ +/* + * APE6EVM board support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static const struct pinctrl_map ape6evm_pinctrl_map[] = { + /* SCIFA0 console */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4", + "scifa0_data", "scifa0"), +}; + +static void __init ape6evm_add_standard_devices(void) +{ + + struct clk *parent; + struct clk *mp; + + r8a73a4_clock_init(); + + /* MP clock parent = extal2 */ + parent = clk_get(NULL, "extal2"); + mp = clk_get(NULL, "mp"); + BUG_ON(IS_ERR(parent) || IS_ERR(mp)); + + clk_set_parent(mp, parent); + clk_put(parent); + clk_put(mp); + + pinctrl_register_mappings(ape6evm_pinctrl_map, + ARRAY_SIZE(ape6evm_pinctrl_map)); + r8a73a4_pinmux_init(); + r8a73a4_add_dt_devices(); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const char *ape6evm_boards_compat_dt[] __initdata = { + "renesas,ape6evm-reference", + NULL, +}; + +DT_MACHINE_START(APE6EVM_DT, "ape6evm") + .init_early = r8a73a4_init_delay, + .init_time = shmobile_timer_init, + .init_machine = ape6evm_add_standard_devices, + .dt_compat = ape6evm_boards_compat_dt, +MACHINE_END diff --git a/arch/arm/mach-shmobile/include/mach/r8a73a4.h b/arch/arm/mach-shmobile/include/mach/r8a73a4.h index a66afed..3a0ea48 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a73a4.h +++ b/arch/arm/mach-shmobile/include/mach/r8a73a4.h @@ -11,6 +11,7 @@ enum { }; void r8a73a4_add_standard_devices(void); +void r8a73a4_add_dt_devices(void); void r8a73a4_clock_init(void); void r8a73a4_pinmux_init(void); void r8a73a4_init_delay(void); diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 5d40ee8..ea3db1c 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -277,7 +277,7 @@ static struct resource dma_resources[] = { dma_resources, ARRAY_SIZE(dma_resources), \ &dma_platform_data, sizeof(dma_platform_data)) -void __init r8a73a4_add_standard_devices(void) +void __init r8a73a4_add_dt_devices(void) { r8a73a4_register_scif(SCIFA0); r8a73a4_register_scif(SCIFA1); @@ -285,10 +285,15 @@ void __init r8a73a4_add_standard_devices(void) r8a73a4_register_scif(SCIFB1); r8a73a4_register_scif(SCIFB2); r8a73a4_register_scif(SCIFB3); + r8a7790_register_cmt(10); +} + +void __init r8a73a4_add_standard_devices(void) +{ + r8a73a4_add_dt_devices(); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); - r8a7790_register_cmt(10); r8a73a4_register_dmac(); }