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path: root/drivers/clk/samsung/clk-exynos3250.c
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2015-03-30clk: samsung: exynos3250: Add driver for CMU_ISP clock domainTomasz Figa
Add clock controller for CMU ISP clock domain on Exynos3250, providing clocks for FIMC-IS subsystem. [b.michalska: use samsung_cmu_register_one to register the provider; updated DT binding documentation] Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Beata Michalska <b.michalska@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> [s.nawrocki: added __init attribute which was missing in function exynos3250_cmu_platform_init() in function, which has been] Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2014-12-23clk: samsung: exynos3250: Use samsung_cmu_register_one() to simplify codeChanwoo Choi
This patch uses the samsung_cmu_register_one() to simplify code for Exynos3250. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2014-09-22clk: samsung: exynos3250: Register DMC clk providerKrzysztof Kozlowski
Add clock provider for clocks in DMC domain including EPLL and BPLL. The DMC clocks are necessary for Exynos3 devfreq driver. The DMC clock domain uses different address space (0x105C0000) than standard clock domain (0x10030000 - 0x10050000). The difference is huge enough to add new DT node for the clock provider, rather than extending existing address space. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
2014-09-22clk: samsung: exynos3250: fix width field of mout_mmc0/1Pankaj Dubey
As per Exynos3250 user manual mmc0/1 mux selection has 4 bit wide. Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
2014-09-22clk: samsung: exynos3250: fix width and shift of div_spi0_isp clockPankaj Dubey
Update shift and width field of div_spi0_isp clock as per Exynos3250 user manual. Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
2014-09-22clk: samsung: exynos3250: fix mout_cam_blk parent listPankaj Dubey
As per user manual of Exynos3250 SRC_CAM can select div_cam_blk_320 if it's value is 0xC, so placing div_cam_blk_320 at proper index in parent list of mout_cam_blk. Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
2014-07-26clk: samsung: exynos3250: Enable ARMCLK down featureKrzysztof Kozlowski
Enable ARMCLK down feature on Exynos3250 SoC. The frequency of ARMCLK will be reduced upon entering idle mode (WFI or WFE). The feature behaves like very fast cpufreq ondemand governor. The patch uses simillar settings as Exynos5250 (clk-exynos5250.c), except it disables clock up feature. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-06-30clk: samsung: Register clk provider only after registering its all clocksSylwester Nawrocki
Ensure the clock provider is not registered until after all its related clocks were created and are ready to use. Currently there are races possible and any (of_)clk_get() call right after a clock provider's clk_init_cb callback call may fail. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Tomasz Figa <t.figa@samsung.com>
2014-05-14clk: samsung: exynos3250: Add clocks using common clock frameworkTomasz Figa
This patch add new the clock drvier of Exynos3250 SoC based on Cortex-A7 using common clock framework. The CMU (Clock Management Unit) of Exynos3250 control PLLs(Phase Locked Loops) and generate system clocks for CPU, buses, and function clocks for individual IPs. The CMU of Exynos3250 includes following clock doamins: - CPU block for Cortex-A7 MPCore processor - LEFTBUS/RIGHTBUS block - TOP block for G3D/MFC/LCD0/ISP/CAM/FSYS/MFC/PERIL/PERIR Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Karol Wrona <k.wrona@samsung.com> Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Mike Turquette <mturquette@linaro.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org>