From patchwork Sun May 11 22:09:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 4153081 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 3CCFFBFF02 for ; Sun, 11 May 2014 22:06:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 100BA2018A for ; Sun, 11 May 2014 22:06:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D7A8020172 for ; Sun, 11 May 2014 22:06:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755777AbaEKWGO (ORCPT ); Sun, 11 May 2014 18:06:14 -0400 Received: from gloria.sntech.de ([95.129.55.99]:60908 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754226AbaEKWGO (ORCPT ); Sun, 11 May 2014 18:06:14 -0400 Received: from ip545477c2.speed.planet.nl ([84.84.119.194] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1Wjbsp-0004Bp-Qc; Mon, 12 May 2014 00:06:11 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Kukjin Kim Cc: t.figa@samsung.com, mturquette@linaro.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v3 6/9] ARM: S3C24XX: add platform code for conversion to the common clock framework Date: Mon, 12 May 2014 00:09:48 +0200 Message-ID: <5113680.xIfXX9kibx@phil> User-Agent: KMail/4.11.5 (Linux/3.13-1-amd64; KDE/4.11.3; x86_64; ; ) In-Reply-To: <3427359.fjFAW0MSIR@phil> References: <3427359.fjFAW0MSIR@phil> MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, 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 adds the necessary init functions to init the clocks from the common clock framework and necessary CONFIG_SAMSUNG_CLOCK ifdefs around the legacy clock code. This also includes empty stubs for the *_setup_clocks functions that are called from the cpufreq driver on resume. Signed-off-by: Heiko Stuebner Reviewed-by: Tomasz Figa --- arch/arm/mach-s3c24xx/Kconfig | 5 +++++ arch/arm/mach-s3c24xx/common.c | 25 +++++++++++++++++++++++++ arch/arm/mach-s3c24xx/common.h | 7 +++++++ arch/arm/mach-s3c24xx/s3c2410.c | 6 ++++++ arch/arm/mach-s3c24xx/s3c2442.c | 3 ++- arch/arm/mach-s3c24xx/s3c244x.c | 6 ++++++ 6 files changed, 51 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index b4c055b..5c9cffd 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -18,6 +18,11 @@ config PLAT_S3C24XX help Base platform code for any Samsung S3C24XX device +config S3C2410_COMMON_CLK + bool + help + Build the s3c2410 clock driver based on the common clock framework. + config S3C2410_COMMON_DCLK bool select REGMAP_MMIO diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c index 7cc6d94..35cf88e 100644 --- a/arch/arm/mach-s3c24xx/common.c +++ b/arch/arm/mach-s3c24xx/common.c @@ -53,6 +53,7 @@ #include #include #include +#include #include "common.h" @@ -533,6 +534,14 @@ struct platform_device s3c2443_device_dma = { }; #endif +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410) +void __init s3c2410_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + #ifdef CONFIG_CPU_S3C2412 void __init s3c2412_init_clocks(int xtal) { @@ -547,6 +556,22 @@ void __init s3c2416_init_clocks(int xtal) } #endif +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440) +void __init s3c2440_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442) +void __init s3c2442_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + #ifdef CONFIG_CPU_S3C2443 void __init s3c2443_init_clocks(int xtal) { diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h index 50504c7..2d65541 100644 --- a/arch/arm/mach-s3c24xx/common.h +++ b/arch/arm/mach-s3c24xx/common.h @@ -77,6 +77,7 @@ extern void s3c244x_restart(enum reboot_mode mode, const char *cmd); #ifdef CONFIG_CPU_S3C2440 extern int s3c2440_init(void); extern void s3c2440_map_io(void); +extern void s3c2440_init_clocks(int xtal); extern void s3c2440_init_irq(void); #else #define s3c2440_init NULL @@ -86,6 +87,7 @@ extern void s3c2440_init_irq(void); #ifdef CONFIG_CPU_S3C2442 extern int s3c2442_init(void); extern void s3c2442_map_io(void); +extern void s3c2442_init_clocks(int xtal); extern void s3c2442_init_irq(void); #else #define s3c2442_init NULL @@ -116,6 +118,11 @@ extern struct platform_device s3c2443_device_dma; extern struct platform_device s3c2410_device_dclk; +#ifdef CONFIG_S3C2410_COMMON_CLK +void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, + int current_soc, + void __iomem *reg_base); +#endif #ifdef CONFIG_S3C2412_COMMON_CLK void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, unsigned long ext_f, void __iomem *reg_base); diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c index 04b58cb..5280173 100644 --- a/arch/arm/mach-s3c24xx/s3c2410.c +++ b/arch/arm/mach-s3c24xx/s3c2410.c @@ -83,6 +83,7 @@ void __init s3c2410_map_io(void) iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); } +#ifdef CONFIG_SAMSUNG_CLOCK void __init_or_cpufreq s3c2410_setup_clocks(void) { struct clk *xtal_clk; @@ -142,6 +143,11 @@ void __init s3c2410_init_clocks(int xtal) clkdev_add_table(s3c2410_clk_lookup, ARRAY_SIZE(s3c2410_clk_lookup)); samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); } +#else +void __init_or_cpufreq s3c2410_setup_clocks(void) +{ +} +#endif struct bus_type s3c2410_subsys = { .name = "s3c2410-core", diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c index 2c8adc0..564c6503 100644 --- a/arch/arm/mach-s3c24xx/s3c2442.c +++ b/arch/arm/mach-s3c24xx/s3c2442.c @@ -53,6 +53,7 @@ #include "common.h" +#ifdef CONFIG_SAMSUNG_CLOCK /* S3C2442 extended clock support */ static unsigned long s3c2442_camif_upll_round(struct clk *clk, @@ -162,7 +163,7 @@ static __init int s3c2442_clk_init(void) } arch_initcall(s3c2442_clk_init); - +#endif static struct device s3c2442_dev = { .bus = &s3c2442_subsys, diff --git a/arch/arm/mach-s3c24xx/s3c244x.c b/arch/arm/mach-s3c24xx/s3c244x.c index 76b691b..1d665d5 100644 --- a/arch/arm/mach-s3c24xx/s3c244x.c +++ b/arch/arm/mach-s3c24xx/s3c244x.c @@ -78,6 +78,7 @@ void __init s3c244x_map_io(void) s3c2410_device_dclk.name = "s3c2440-dclk"; } +#ifdef CONFIG_SAMSUNG_CLOCK void __init_or_cpufreq s3c244x_setup_clocks(void) { struct clk *xtal_clk; @@ -138,6 +139,11 @@ void __init s3c244x_init_clocks(int xtal) s3c2410_baseclk_add(); samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); } +#else +void __init_or_cpufreq s3c244x_setup_clocks(void) +{ +} +#endif /* Since the S3C2442 and S3C2440 share items, put both subsystems here */