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Fri, 08 Apr 2016 13:25:14 +0900 (KST) From: Chanwoo Choi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, k.kozlowski@samsung.com, kgene@kernel.org Subject: [PATCH v8 18/20] ARM: dts: Add support of bus frequency using VDD_INT for exynos3250-rinato Date: Fri, 08 Apr 2016 13:25:07 +0900 Message-id: <1460089509-16260-19-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1460089509-16260-1-git-send-email-cw00.choi@samsung.com> References: <1460089509-16260-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrIIsWRmVeSWpSXmKPExsWyRsSkWHe1EXu4QcsGPovrX56zWsw/co7V ov/NQlaLc69WMlpMuj+BxeL1C0OL/sevmS3ONr1ht9j0+BqrxeVdc9gsPvceYbSYcX4fk8W6 jbfYLW5f5rV4eeQHo8XS6xeZLG43rmCzmDB9LYvFmdOXWC1a9x5ht2hb/YHVQdRjzbw1jB4t zT1sHpf7epk8bt2p99g56y67x8rlX9g8Nq3qZPPYvKTe498xdo8tV9tZPPq2rGL0+LxJLoAn issmJTUnsyy1SN8ugSvjwoKTzAXreSo2HXzK3MDYwtXFyMkhIWAisWnZSRYIW0ziwr31bF2M XBxCAisYJTp62lhgiqZ1rWSGSMxilFh9cDErhPOFUaJt7UI2kCo2AS2J/S9ugNkiAikSjx+e BBvFLHCEWWLqxhtMIAlhgTSJV1svMoLYLAKqEvfONIHZvAJuEkuX7GaGWCcn8WHPI3YQmxMo PvnKJLC4kICrxI3N08HOkBDYwiHx+E0XC8QgAYlvkw8B2RxACVmJTQeg5khKHFxxg2UCo/AC RoZVjKKpBckFxUnpRUZ6xYm5xaV56XrJ+bmbGIExe/rfs74djDcPWB9iFOBgVOLhvfCeLVyI NbGsuDL3EKMp0IaJzFKiyfnAxJBXEm9obGZkYWpiamxkbmmmJM6bIPUzWEggPbEkNTs1tSC1 KL6oNCe1+BAjEwenVANj9+7LFyLZJyfGnfr+eZ5O1jyTAjUt2flCXu6Lj5/4H9dz+aRZrsR8 hheNE7YwPFjSbd5i1ZlzpEyjy//46u8f7ke93nbpyHHBlkN1Sw5bCFjwebtejjAwn5VzgjXn O4dmg3iNWJVadTl//ofHx7VOfDC59PfI7ZcShw+83MI+019iebfX+Up2JZbijERDLeai4kQA XQ+aiNQCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjleLIzCtJLcpLzFFi42I5/e+xoO5qI/Zwg8fz2S2uf3nOajH/yDlW i/43C1ktzr1ayWgx6f4EFovXLwwt+h+/ZrY42/SG3WLT42usFpd3zWGz+Nx7hNFixvl9TBbr Nt5it7h9mdfi5ZEfjBZLr19ksrjduILNYsL0tSwWZ05fYrVo3XuE3aJt9QdWB1GPNfPWMHq0 NPeweVzu62XyuHWn3mPnrLvsHiuXf2Hz2LSqk81j85J6j3/H2D22XG1n8ejbsorR4/MmuQCe qAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zBygX5UU yhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCBhDWMGRcWnGQuWM9TsengU+YGxhau LkZODgkBE4lpXSuZIWwxiQv31rN1MXJxCAnMYpRYfXAxK4TzhVGibe1CNpAqNgEtif0vboDZ IgIpEo8fngTrYBY4wiwxdeMNJpCEsECaxKutFxlBbBYBVYl7Z5rAbF4BN4mlS3ZDrZOT+LDn ETuIzQkUn3xlElhcSMBV4sbm6cwTGHkXMDKsYpRILUguKE5KzzXKSy3XK07MLS7NS9dLzs/d xAhOC8+kdzAe3uV+iFGAg1GJh/fCe7ZwIdbEsuLK3EOMEhzMSiK8rvrs4UK8KYmVValF+fFF pTmpxYcYTYEOm8gsJZqcD0xZeSXxhsYmZkaWRuaGFkbG5krivI//rwsTEkhPLEnNTk0tSC2C 6WPi4JRqYMx6vekOq6RMi9BBU/u2ps2HdDPcHs21/KTvsqqS9/TCpYqTfgfl7tvwuN1pUpFw bv6OlCVfnj7+lx8SmmU00fzxkZ1rA8wlXeyKT/T+/rVD6Wvl3MKa41sTLD/ez30k/nCzbU2R tfAj542338WHW+zNUO/brDTb9alK4ev4Gx1he90nvTl1JkKJpTgj0VCLuag4EQBGavo1IQMA AA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160407_212552_430584_10745A15 X-CRM114-Status: GOOD ( 11.17 ) X-Spam-Score: -7.9 (-------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, inki.dae@samsung.com, linux-samsung-soc@vger.kernel.org, linux@arm.linux.org.uk, cw00.choi@samsung.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, linux.amoon@gmail.com, linux-pm@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, m.reichl@fivetechno.de, tjakobi@math.uni-bielefeld.de, devicetree@vger.kernel.org, robh+dt@kernel.org, galak@codeaurora.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the bus device-tree nodes of INT (internal) block to enable the bus frequency scaling. The following sub-blocks share the VDD_INT power source: - LEFTBUS (parent device) - RIGHTBUS - PERIL - LCD0 - FSYS - MCUISP / ISP - MFC The LEFTBUS is parent device with devfreq ondemand governor and the rest of devices depend on the LEFTBUS device. Signed-off-by: Chanwoo Choi Reviewed-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos3250-rinato.dts | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 9710e79e10a0..09444897b416 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -154,6 +154,47 @@ status = "okay"; }; +&bus_leftbus { + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; + vdd-supply = <&buck3_reg>; + status = "okay"; +}; + +&bus_rightbus { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_lcd0 { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mcuisp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_isp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peril { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; };