From: Chanwoo Choi <chanwoo@kernel.org>
To: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"Seung-Woo Kim" <sw0312.kim@samsung.com>,
"Artur Świgoń" <a.swigon@samsung.com>,
"Krzysztof Kozlowski" <krzk@kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Chanwoo Choi" <cw00.choi@samsung.com>,
"MyungJoo Ham" <myungjoo.ham@samsung.com>,
dri-devel <dri-devel@lists.freedesktop.org>,
"Georgi Djakov" <georgi.djakov@linaro.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
"Marek Szyprowski" <m.szyprowski@samsung.com>
Subject: Re: [RFC PATCH v5 4/6] ARM: dts: exynos: Add interconnect properties to Exynos4412 bus nodes
Date: Sun, 31 May 2020 09:02:13 +0900 [thread overview]
Message-ID: <CAGTfZH0wdAdEFJ74USv62MXxs=Ytx0g_pFNG4B9DpUnNqDcY7w@mail.gmail.com> (raw)
In-Reply-To: <20200529163200.18031-5-s.nawrocki@samsung.com>
Hi Sylwester,
On Sat, May 30, 2020 at 1:33 AM Sylwester Nawrocki
<s.nawrocki@samsung.com> wrote:
>
> 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
>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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next prev parent reply other threads:[~2020-05-31 0:02 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 ` [RFC PATCH v5 4/6] ARM: dts: exynos: Add interconnect properties to Exynos4412 bus nodes Sylwester Nawrocki
2020-05-31 0:02 ` Chanwoo Choi [this message]
[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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