* [PATCH v4 8/9] ARM: dts: Add the support for exynos busfreq on Exynos4412-based TRATS2 board
2015-01-15 1:50 [PATCH v4 0/9] devfreq: Add generic exynos memory-bus frequency driver Chanwoo Choi
@ 2015-01-15 1:50 ` Chanwoo Choi
0 siblings, 0 replies; 2+ messages in thread
From: Chanwoo Choi @ 2015-01-15 1:50 UTC (permalink / raw)
To: myungjoo.ham, kgene
Cc: kyungmin.park, rafael.j.wysocki, mark.rutland, a.kesavan,
tomasz.figa, k.kozlowski, b.zolnierkie, robh+dt, cw00.choi,
inki.dae, linux-pm, linux-kernel, linux-arm-kernel,
linux-samsung-soc
This patch adds the Exynos4412 memory-bus node which includes the regulator
and devfreq-event phandle. The devfreq-event phandle is used for the
governor of devfreq device and provide the current usage state of
MIF (Memory Interface) / INT (Internal) memory bus group.
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Myungjoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
arch/arm/boot/dts/exynos4412-trats2.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index bee0eed..21ba25e 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -917,6 +917,18 @@
};
};
+&memory_bus_mif {
+ devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
+ vdd-mem-supply = <&buck1_reg>;
+ status = "okay";
+};
+
+&memory_bus_int {
+ devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
+ vdd-mem-supply = <&buck3_reg>;
+ status = "okay";
+};
+
&pinctrl_0 {
pinctrl-names = "default";
pinctrl-0 = <&sleep0>;
--
1.8.5.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v4 8/9] ARM: dts: Add the support for exynos busfreq on Exynos4412-based TRATS2 board
@ 2015-01-19 9:36 MyungJoo Ham
0 siblings, 0 replies; 2+ messages in thread
From: MyungJoo Ham @ 2015-01-19 9:36 UTC (permalink / raw)
To: 최찬우, kgene@kernel.org
Cc: 박경민, rafael.j.wysocki@intel.com,
mark.rutland@arm.com, ABHILASH KESAVAN, tomasz.figa@gmail.com,
Krzysztof Kozlowski, Bartlomiej Zolnierkiewicz,
robh+dt@kernel.org, 대인기,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
>
> This patch adds the Exynos4412 memory-bus node which includes the regulator
> and devfreq-event phandle. The devfreq-event phandle is used for the
> governor of devfreq device and provide the current usage state of
> MIF (Memory Interface) / INT (Internal) memory bus group.
>
> Cc: Kukjin Kim <kgene@kernel.org>
> Cc: Myungjoo Ham <myungjoo.ham@samsung.com>
> Cc: Kyungmin Park <kyungmin.park@samsung.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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