From: Thomas Abraham <thomas.ab@samsung.com> To: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org, mturquette@linaro.org, kgene.kim@samsung.com, t.figa@samsung.com, l.majewski@samsung.com, viresh.kumar@linaro.org, thomas.ab@samsung.com, heiko@sntech.de, cw00.choi@samsung.com Subject: [PATCH v9 4/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4210/5250/5420 Date: Wed, 30 Jul 2014 13:37:41 +0530 [thread overview] Message-ID: <1406707663-16656-5-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1406707663-16656-1-git-send-email-thomas.ab@samsung.com> The new CPU clock type allows the use of generic CPUfreq drivers. So for Exynos4210/5250, switch to using generic cpufreq driver. For Exynos5420, which did not have CPUfreq driver support, enable the use of generic CPUfreq driver. Suggested-by: Tomasz Figa <t.figa@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> --- arch/arm/mach-exynos/exynos.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 493dbc2..e61bb36 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -281,6 +281,28 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } +static const struct of_device_id exynos_cpufreq_matches[] = { + { .compatible = "samsung,exynos5420", .data = "arm-bL-cpufreq-dt" }, + { .compatible = "samsung,exynos5250", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos4210", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos5440", .data = "exynos5440-cpufreq" }, + { /* sentinel */ } +}; + +static void __init exynos_cpufreq_init(void) +{ + struct device_node *root = of_find_node_by_path("/"); + const struct of_device_id *match; + + match = of_match_node(exynos_cpufreq_matches, root); + if (!match) { + platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + return; + } + + platform_device_register_simple(match->data, -1, NULL, 0); +} + static void __init exynos_dt_machine_init(void) { struct device_node *i2c_np; @@ -320,7 +342,7 @@ static void __init exynos_dt_machine_init(void) of_machine_is_compatible("samsung,exynos5250")) platform_device_register(&exynos_cpuidle); - platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + exynos_cpufreq_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: thomas.ab@samsung.com (Thomas Abraham) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v9 4/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4210/5250/5420 Date: Wed, 30 Jul 2014 13:37:41 +0530 [thread overview] Message-ID: <1406707663-16656-5-git-send-email-thomas.ab@samsung.com> (raw) In-Reply-To: <1406707663-16656-1-git-send-email-thomas.ab@samsung.com> The new CPU clock type allows the use of generic CPUfreq drivers. So for Exynos4210/5250, switch to using generic cpufreq driver. For Exynos5420, which did not have CPUfreq driver support, enable the use of generic CPUfreq driver. Suggested-by: Tomasz Figa <t.figa@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> --- arch/arm/mach-exynos/exynos.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 493dbc2..e61bb36 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -281,6 +281,28 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } +static const struct of_device_id exynos_cpufreq_matches[] = { + { .compatible = "samsung,exynos5420", .data = "arm-bL-cpufreq-dt" }, + { .compatible = "samsung,exynos5250", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos4210", .data = "cpufreq-cpu0" }, + { .compatible = "samsung,exynos5440", .data = "exynos5440-cpufreq" }, + { /* sentinel */ } +}; + +static void __init exynos_cpufreq_init(void) +{ + struct device_node *root = of_find_node_by_path("/"); + const struct of_device_id *match; + + match = of_match_node(exynos_cpufreq_matches, root); + if (!match) { + platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + return; + } + + platform_device_register_simple(match->data, -1, NULL, 0); +} + static void __init exynos_dt_machine_init(void) { struct device_node *i2c_np; @@ -320,7 +342,7 @@ static void __init exynos_dt_machine_init(void) of_machine_is_compatible("samsung,exynos5250")) platform_device_register(&exynos_cpuidle); - platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); + exynos_cpufreq_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -- 1.7.9.5
next prev parent reply other threads:[~2014-07-30 8:11 UTC|newest] Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-07-30 8:07 [PATCH v9 0/6] cpufreq: use generic cpufreq drivers for exynos platforms Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-07-30 8:07 ` [PATCH v9 1/6] clk: samsung: add infrastructure to register cpu clocks Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-09-01 22:29 ` Mike Turquette 2014-09-01 22:29 ` Mike Turquette 2014-09-02 13:53 ` Thomas Abraham 2014-09-02 13:53 ` Thomas Abraham 2014-07-30 8:07 ` [PATCH v9 2/6] clk: samsung: add cpu clock configuration data and instantiate cpu clock Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-09-01 22:29 ` Mike Turquette 2014-09-01 22:29 ` Mike Turquette 2014-07-30 8:07 ` [PATCH v9 3/6] ARM: dts: Exynos: add CPU OPP and regulator supply property Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-07-30 11:28 ` Andreas Färber 2014-07-30 11:28 ` Andreas Färber 2014-07-31 2:55 ` Thomas Abraham 2014-07-31 2:55 ` Thomas Abraham 2014-07-31 0:37 ` Doug Anderson 2014-07-31 0:37 ` Doug Anderson 2014-07-31 3:21 ` Thomas Abraham 2014-07-31 3:21 ` Thomas Abraham 2014-07-31 3:53 ` Doug Anderson 2014-07-31 3:53 ` Doug Anderson 2014-07-31 4:06 ` Thomas Abraham 2014-07-31 4:06 ` Thomas Abraham 2014-07-31 4:08 ` Doug Anderson 2014-07-31 4:08 ` Doug Anderson 2014-07-31 4:18 ` Thomas Abraham 2014-07-31 4:18 ` Thomas Abraham 2014-08-02 3:49 ` Javier Martinez Canillas 2014-08-02 3:49 ` Javier Martinez Canillas 2014-08-04 3:00 ` Thomas Abraham 2014-08-04 3:00 ` Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham [this message] 2014-07-30 8:07 ` [PATCH v9 4/6] ARM: Exynos: switch to using generic cpufreq driver for Exynos4210/5250/5420 Thomas Abraham 2014-07-31 18:32 ` Kukjin Kim 2014-07-31 18:32 ` Kukjin Kim 2014-07-31 18:40 ` Tomasz Figa 2014-07-31 18:40 ` Tomasz Figa 2014-07-31 18:54 ` Tomasz Figa 2014-07-31 18:54 ` Tomasz Figa 2014-07-31 19:25 ` Thomas Abraham 2014-07-31 19:25 ` Thomas Abraham 2014-07-31 19:30 ` Tomasz Figa 2014-07-31 19:30 ` Tomasz Figa 2014-08-04 3:24 ` Thomas Abraham 2014-08-04 3:24 ` Thomas Abraham 2014-08-22 23:54 ` Kevin Hilman 2014-08-22 23:54 ` Kevin Hilman 2014-08-23 0:02 ` Tomasz Figa 2014-08-23 0:02 ` Tomasz Figa 2014-08-25 6:53 ` Lukasz Majewski 2014-08-25 6:53 ` Lukasz Majewski 2014-08-25 12:15 ` Chander Kashyap 2014-08-25 12:15 ` Chander Kashyap 2014-08-25 15:32 ` Kevin Hilman 2014-08-25 15:32 ` Kevin Hilman 2014-08-25 15:56 ` Tomasz Figa 2014-08-25 15:56 ` Tomasz Figa 2014-08-26 4:54 ` Viresh Kumar 2014-08-26 4:54 ` Viresh Kumar 2014-08-26 5:25 ` Chander Kashyap 2014-08-26 5:25 ` Chander Kashyap 2014-08-26 15:15 ` Kevin Hilman 2014-08-26 15:15 ` Kevin Hilman 2014-08-26 22:25 ` Kevin Hilman 2014-08-26 22:25 ` Kevin Hilman 2014-08-29 12:52 ` Thomas Abraham 2014-08-29 12:52 ` Thomas Abraham 2014-08-29 15:03 ` Kevin Hilman 2014-08-29 15:03 ` Kevin Hilman 2014-09-01 8:47 ` Thomas Abraham 2014-09-01 8:47 ` Thomas Abraham 2014-09-02 19:32 ` Kevin Hilman 2014-09-02 19:32 ` Kevin Hilman 2014-09-03 4:26 ` Thomas Abraham 2014-09-03 4:26 ` Thomas Abraham 2014-09-03 13:18 ` Thomas Abraham 2014-09-03 13:18 ` Thomas Abraham 2014-09-03 23:15 ` Kevin Hilman 2014-09-03 23:15 ` Kevin Hilman 2014-09-04 10:22 ` Thomas Abraham 2014-09-04 13:30 ` Kevin Hilman 2014-09-04 13:30 ` Kevin Hilman 2014-09-05 13:41 ` Thomas Abraham 2014-09-05 13:41 ` Thomas Abraham 2014-08-25 8:11 ` Sjoerd Simons 2014-08-25 8:11 ` Sjoerd Simons 2014-07-30 8:07 ` [PATCH v9 5/6] cpufreq: exynos: remove exynos4210/5250 specific cpufreq driver support Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-07-30 8:07 ` [PATCH v9 6/6] clk: samsung: remove unused clock aliases and update clock flags Thomas Abraham 2014-07-30 8:07 ` Thomas Abraham 2014-07-31 14:13 ` Tomasz Figa 2014-07-31 14:13 ` Tomasz Figa 2014-07-31 18:24 ` Thomas Abraham 2014-07-31 18:24 ` Thomas Abraham 2014-07-31 18:35 ` Tomasz Figa 2014-07-31 18:35 ` Tomasz Figa 2014-07-31 18:41 ` Thomas Abraham 2014-07-31 18:41 ` Thomas Abraham 2014-07-31 18:46 ` Tomasz Figa 2014-07-31 18:46 ` Tomasz Figa 2014-07-31 18:49 ` Thomas Abraham 2014-07-31 18:49 ` Thomas Abraham 2014-09-01 22:31 ` Mike Turquette 2014-09-01 22:31 ` Mike Turquette 2014-07-31 6:20 ` [PATCH v9 0/6] cpufreq: use generic cpufreq drivers for exynos platforms Chander M. Kashyap 2014-07-31 6:20 ` Chander M. Kashyap 2014-07-31 10:59 ` Thomas Abraham 2014-07-31 10:59 ` Thomas Abraham 2014-07-31 12:24 ` Chander M. Kashyap 2014-07-31 12:24 ` Chander M. Kashyap 2014-07-31 14:15 ` Tomasz Figa 2014-07-31 14:15 ` Tomasz Figa 2014-07-31 18:25 ` Thomas Abraham 2014-07-31 18:25 ` Thomas Abraham 2014-07-31 18:34 ` Thomas Abraham 2014-07-31 18:34 ` Thomas Abraham 2014-08-01 9:42 ` Viresh Kumar 2014-08-01 9:42 ` Viresh Kumar
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