From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: georgi.djakov@linaro.org, cw00.choi@samsung.com, krzk@kernel.org
Cc: a.swigon@samsung.com, myungjoo.ham@samsung.com,
inki.dae@samsung.com, sw0312.kim@samsung.com,
b.zolnierkie@samsung.com, m.szyprowski@samsung.com,
s.nawrocki@samsung.com, linux-kernel@vger.kernel.org,
linux-samsung-soc@vger.kernel.org,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v5 4/6] ARM: dts: exynos: Add interconnect properties to Exynos4412 bus nodes
Date: Fri, 29 May 2020 18:31:58 +0200 [thread overview]
Message-ID: <20200529163200.18031-5-s.nawrocki@samsung.com> (raw)
In-Reply-To: <20200529163200.18031-1-s.nawrocki@samsung.com>
This patch adds the following properties for Exynos4412 interconnect
bus nodes:
- samsung,interconnect-parent: to declare connections between
nodes in order to guarantee PM QoS requirements between nodes;
- #interconnect-cells: required by the interconnect framework.
Note that #interconnect-cells is always zero and node IDs are not
hardcoded anywhere.
Signed-off-by: Artur Świgoń <a.swigon@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
---
Changes for v5:
- adjust to renamed exynos,interconnect-parent-node property,
- add properties in common exynos4412.dtsi file rather than
in Odroid specific odroid4412-odroid-common.dtsi.
---
arch/arm/boot/dts/exynos4412.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index 4886894..a7496d3 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -381,6 +381,7 @@
clocks = <&clock CLK_DIV_DMC>;
clock-names = "bus";
operating-points-v2 = <&bus_dmc_opp_table>;
+ #interconnect-cells = <0>;
status = "disabled";
};
@@ -450,6 +451,8 @@
clocks = <&clock CLK_DIV_GDL>;
clock-names = "bus";
operating-points-v2 = <&bus_leftbus_opp_table>;
+ samsung,interconnect-parent = <&bus_dmc>;
+ #interconnect-cells = <0>;
status = "disabled";
};
@@ -466,6 +469,8 @@
clocks = <&clock CLK_ACLK160>;
clock-names = "bus";
operating-points-v2 = <&bus_display_opp_table>;
+ samsung,interconnect-parent = <&bus_leftbus>;
+ #interconnect-cells = <0>;
status = "disabled";
};
--
2.7.4
next prev parent reply other threads:[~2020-05-29 16:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200529163213eucas1p1ac148f9238214ac84f3d0cc199c4398b@eucas1p1.samsung.com>
2020-05-29 16:31 ` [RFC PATCH v5 0/6] Exynos: Simple QoS for exynos-bus using interconnect Sylwester Nawrocki
[not found] ` <CGME20200529163219eucas1p2d127fe3936921f53f6fe7902e7d14a3e@eucas1p2.samsung.com>
2020-05-29 16:31 ` [RFC PATCH v5 1/6] dt-bindings: exynos-bus: Add documentation for interconnect properties Sylwester Nawrocki
2020-05-31 0:01 ` Chanwoo Choi
2020-06-01 9:40 ` Sylwester Nawrocki
2020-06-01 8:19 ` Sylwester Nawrocki
2020-06-02 8:05 ` Krzysztof Kozlowski
[not found] ` <CGME20200529163223eucas1p2f663280abb499b4114b2f2930b43a4e5@eucas1p2.samsung.com>
2020-05-29 16:31 ` [RFC PATCH v5 2/6] interconnect: Add generic interconnect driver for Exynos SoCs Sylwester Nawrocki
2020-05-31 0:13 ` Chanwoo Choi
2020-06-01 9:57 ` Sylwester Nawrocki
2020-06-02 8:21 ` Krzysztof Kozlowski
2020-06-03 9:24 ` Sylwester Nawrocki
2020-07-01 12:50 ` Georgi Djakov
2020-07-02 12:01 ` Sylwester Nawrocki
2020-07-02 12:33 ` Georgi Djakov
2020-07-02 14:24 ` Sylwester Nawrocki
[not found] ` <CGME20200529163225eucas1p1cfb2233c869dcc3dab84b754bbce17b6@eucas1p1.samsung.com>
2020-05-29 16:31 ` [RFC PATCH v5 3/6] PM / devfreq: exynos-bus: Add registration of interconnect child device Sylwester Nawrocki
2020-05-30 23:57 ` Chanwoo Choi
2020-06-01 10:04 ` Sylwester Nawrocki
2020-06-02 0:50 ` Chanwoo Choi
[not found] ` <CGME20200529163226eucas1p15bea74bed9cc5d22727c9ba732a5cbb9@eucas1p1.samsung.com>
2020-05-29 16:31 ` Sylwester Nawrocki [this message]
2020-05-31 0:02 ` [RFC PATCH v5 4/6] ARM: dts: exynos: Add interconnect properties to Exynos4412 bus nodes Chanwoo Choi
[not found] ` <CGME20200529163228eucas1p1d05340fef9ffc724f5d3d9f5709a600f@eucas1p1.samsung.com>
2020-05-29 16:31 ` [RFC PATCH v5 5/6] ARM: dts: exynos: Add interconnects to Exynos4412 mixer Sylwester Nawrocki
2020-05-31 0:07 ` Chanwoo Choi
[not found] ` <CGME20200529163229eucas1p2ee6394f184e5eba12599559f8a621fde@eucas1p2.samsung.com>
2020-05-29 16:32 ` [RFC PATCH v5 6/6] drm: exynos: mixer: Add interconnect support Sylwester Nawrocki
2020-06-01 7:58 ` Chanwoo Choi
2020-06-03 10:04 ` Sylwester Nawrocki
2020-06-01 8:17 ` [RFC PATCH v5 0/6] Exynos: Simple QoS for exynos-bus using interconnect Sylwester Nawrocki
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