From 9c684e290d1741e068cc226418a26a39663db010 Mon Sep 17 00:00:00 2001 From: Guo Zeng Date: Wed, 20 May 2015 08:50:34 +0000 Subject: ARM: dts: atlas7: add fixed frequency clocks in car node This patch adds the fixed clocks of external crystal oscillators. Signed-off-by: Guo Zeng Signed-off-by: Barry Song [sboyd@codeaurora.org: Remove size-cells/address-cells] Signed-off-by: Stephen Boyd --- arch/arm/boot/dts/atlas7.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch') diff --git a/arch/arm/boot/dts/atlas7.dtsi b/arch/arm/boot/dts/atlas7.dtsi index a753178abc85..5dfd3a44bf82 100644 --- a/arch/arm/boot/dts/atlas7.dtsi +++ b/arch/arm/boot/dts/atlas7.dtsi @@ -38,6 +38,21 @@ }; }; + clocks { + xinw { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "xinw"; + }; + xin { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <26000000>; + clock-output-names = "xin"; + }; + }; + noc { compatible = "simple-bus"; #address-cells = <1>; -- cgit v1.2.3 From 131323cd16e563499caedc93a9c2f82fce4c966c Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Fri, 3 Apr 2015 18:43:48 +0200 Subject: ARM: Exynos: switch to using generic cpufreq driver for Exynos4210 The new CPU clock type allows the use of generic CPUfreq driver. Switch Exynos4210 to using generic cpufreq driver. Changes by Bartlomiej: - removed non-Exynos4210 support for now Cc: Tomasz Figa Cc: Kukjin Kim Cc: Javier Martinez Canillas Acked-by: Viresh Kumar Signed-off-by: Thomas Abraham Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Michael Turquette --- arch/arm/mach-exynos/exynos.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 5917a30eee33..9cb17ff1e152 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -224,6 +224,25 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } +static const struct of_device_id exynos_cpufreq_matches[] = { + { .compatible = "samsung,exynos4210", .data = "cpufreq-dt" }, + { /* 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) { /* @@ -245,7 +264,7 @@ 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); } -- cgit v1.2.3