Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754847Ab3HAKV7 (ORCPT ); Thu, 1 Aug 2013 06:21:59 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:50382 "EHLO mail-wg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751177Ab3HAKV4 (ORCPT ); Thu, 1 Aug 2013 06:21:56 -0400 MIME-Version: 1.0 In-Reply-To: <003501ce8d16$542dd5d0$fc898170$@samsung.com> References: <003b01ce89f3$2be4db80$83ae9280$@samsung.com> <20130726200107.7598.82010@quantum> <001901ce8aa8$d1d6fef0$7584fcd0$@samsung.com> <20130730064655.22022.62937@quantum> <003501ce8d16$542dd5d0$fc898170$@samsung.com> Date: Thu, 1 Aug 2013 15:51:54 +0530 Message-ID: Subject: Re: RE: [PATCH v8 05/12] clk: exynos5250: add gate clock descriptions of System MMU From: Rahul Sharma To: Cho KyongHo Cc: Mike Turquette , Linux ARM Kernel , Linux IOMMU , Linux Kernel , Linux Samsung SOC , Kukjin Kim , Hyunwoong Kim , Keyyoung Park , Grant Grundler , Prathyush , Subash Patel , Sachin Kamat , Thomas Abraham , Antonios Motakis , kvmarm@lists.cs.columbia.edu, Rahul Sharma , sunil joshi Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11195 Lines: 225 Hi Cho, On Tue, Jul 30, 2013 at 4:47 PM, Cho KyongHo wrote: >> -----Original Message----- >> From: Mike Turquette [mailto:mturquette@linaro.org] >> Sent: Tuesday, July 30, 2013 3:47 PM >> To: Cho KyongHo; 'Linux ARM Kernel'; 'Linux IOMMU'; 'Linux Kernel'; 'Linux Samsung SOC' >> Cc: 'Kukjin Kim'; 'Hyunwoong Kim'; 'Prathyush'; 'Grant Grundler'; 'Joerg Roedel'; 'Keyyoung Park'; >> 'Subash Patel'; 'Sachin Kamat'; 'Thomas Abraham'; 'Antonios Motakis'; kvmarm@lists.cs.columbia.edu; >> 'Rahul Sharma' >> Subject: Re: RE: [PATCH v8 05/12] clk: exynos5250: add gate clock descriptions of System MMU >> >> Quoting Cho KyongHo (2013-07-27 02:08:11) >> > > -----Original Message----- >> > > From: Mike Turquette [mailto:mturquette@linaro.org] >> > > Sent: Saturday, July 27, 2013 5:01 AM >> > > >> > > Quoting Cho KyongHo (2013-07-26 04:27:54) >> > > > This adds gate clocks of all System MMUs and their master IPs >> > > > that are not apeared in clk-exynos5250.c >> > > > >> > > > Signed-off-by: Cho KyongHo >> > > >> > > Change looks good to me. Are you OK if I take it into the clk tree or do >> > > you want to keep this series together? >> > >> > I would like you to pick this to your tree and let me know which branch >> > contains this patch. >> > Then I will remove this from my patch series. >> >> camif_top corresponds to 345 in your patch, but this conflicts the g2d >> clock introduced in patch "clk: exynos5250: Add G2D gate clock" in the >> clk tree. I've pushed out the latest clk-next branch with this change: >> >> git://git.linaro.org/people/mturquette/linux.git clk-next >> >> Can you rebase your change on top of this and resolve the clock id >> mapping? >> > Oh, > I will rebase this patch on your git in the next patch version. > > Thank you. > >> Thanks, >> Mike >> >> > >> > Thank you, >> > Cho KyongHo. >> > > >> > > Regards, >> > > Mike >> > > >> > > > --- >> > > > .../devicetree/bindings/clock/exynos5250-clock.txt | 28 +++++++++- >> > > > drivers/clk/samsung/clk-exynos5250.c | 57 ++++++++++++++++--- >> > > > 2 files changed, 75 insertions(+), 10 deletions(-) >> > > > >> > > > diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt >> > > > b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt >> > > > index 781a627..df49694 100644 >> > > > --- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt >> > > > +++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt >> > > > @@ -154,7 +154,33 @@ clock which they consume. >> > > > dsim0 341 >> > > > dp 342 >> > > > mixer 343 >> > > > - hdmi 345 >> > > > + hdmi 344 >> > > > + camif_top 345 >> > > > + smmu_fimc_lite0 346 >> > > > + smmu_fimc_lite1 347 >> > > > + smmu_fimc_lite2 348 >> > > > + smmu_tv 349 >> > > > + smmu_fimd1 350 >> > > > + smmu_2d 351 >> > > > + fimc_isp 352 >> > > > + fimc_drc 353 >> > > > + fimc_fd 354 >> > > > + fimc_scc 355 >> > > > + fimc_scp 356 >> > > > + fimc_mcuctl 357 >> > > > + fimc_odc 358 >> > > > + fimc_dis 359 >> > > > + fimc_3dnr 360 >> > > > + smmu_fimc_isp 361 >> > > > + smmu_fimc_drc 362 >> > > > + smmu_fimc_fd 363 >> > > > + smmu_fimc_scc 364 >> > > > + smmu_fimc_scp 365 >> > > > + smmu_fimc_mcuctl 366 >> > > > + smmu_fimc_odc 367 >> > > > + smmu_fimc_dis0 368 >> > > > + smmu_fimc_dis1 369 >> > > > + smmu_fimc_3dnr 370 >> > > > >> > > > Example 1: An example of a clock controller node is listed below. >> > > > >> > > > diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c >> > > > index 22d7699..e242bde 100644 >> > > > --- a/drivers/clk/samsung/clk-exynos5250.c >> > > > +++ b/drivers/clk/samsung/clk-exynos5250.c >> > > > @@ -53,12 +53,15 @@ >> > > > #define DIV_PERIC3 0x10564 >> > > > #define DIV_PERIC4 0x10568 >> > > > #define DIV_PERIC5 0x1056c >> > > > +#define GATE_IP_ISP0 0x0C800 >> > > > +#define GATE_IP_ISP1 0x0C800 >> > > > #define GATE_IP_GSCL 0x10920 >> > > > #define GATE_IP_MFC 0x1092c >> > > > #define GATE_IP_GEN 0x10934 >> > > > #define GATE_IP_FSYS 0x10944 >> > > > #define GATE_IP_PERIC 0x10950 >> > > > #define GATE_IP_PERIS 0x10960 >> > > > +#define GATE_IP_ACP 0x18800 >> > > > #define SRC_CDREX 0x20200 >> > > > #define PLL_DIV2_SEL 0x20a24 >> > > > #define GATE_IP_DISP1 0x10928 >> > > > @@ -100,6 +103,14 @@ enum exynos5250_clks { >> > > > tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7, tzpc8, tzpc9, hdmi_cec, mct, >> > > > wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, >> > > > >> > > > + camif_top, smmu_fimc_lite0, smmu_fimc_lite1, smmu_fimc_lite2, >> > > > + smmu_tv, smmu_fimd1, smmu_2d, >> > > > + fimc_isp, fimc_drc, fimc_fd, fimc_scc, fimc_scp, fimc_mcuctl, fimc_odc, >> > > > + fimc_dis, fimc_3dnr, >> > > > + smmu_fimc_isp, smmu_fimc_drc, smmu_fimc_fd, smmu_fimc_scc, >> > > > + smmu_fimc_scp, smmu_fimc_mcuctl, smmu_fimc_odc, smmu_fimc_dis0, >> > > > + smmu_fimc_dis1, smmu_fimc_3dnr, >> > > > + >> > > > nr_clks, >> > > > }; >> > > > >> > > > @@ -320,19 +331,26 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { >> > > > GATE(gscl3, "gscl3", "aclk266", GATE_IP_GSCL, 3, 0, 0), >> > > > GATE(gscl_wa, "gscl_wa", "div_gscl_wa", GATE_IP_GSCL, 5, 0, 0), >> > > > GATE(gscl_wb, "gscl_wb", "div_gscl_wb", GATE_IP_GSCL, 6, 0, 0), >> > > > - GATE(smmu_gscl0, "smmu_gscl0", "aclk266", GATE_IP_GSCL, 7, 0, 0), >> > > > - GATE(smmu_gscl1, "smmu_gscl1", "aclk266", GATE_IP_GSCL, 8, 0, 0), >> > > > - GATE(smmu_gscl2, "smmu_gscl2", "aclk266", GATE_IP_GSCL, 9, 0, 0), >> > > > - GATE(smmu_gscl3, "smmu_gscl3", "aclk266", GATE_IP_GSCL, 10, 0, 0), >> > > > + GATE(smmu_gscl0, "smmu_gscl0", "none", GATE_IP_GSCL, 7, 0, 0), >> > > > + GATE(smmu_gscl1, "smmu_gscl1", "none", GATE_IP_GSCL, 8, 0, 0), >> > > > + GATE(smmu_gscl2, "smmu_gscl2", "none", GATE_IP_GSCL, 9, 0, 0), >> > > > + GATE(smmu_gscl3, "smmu_gscl3", "none", GATE_IP_GSCL, 10, 0, 0), >> > > > + GATE(camif_top, "camif_top", "aclk266", GATE_IP_GSCL, 4, 0, 0), >> > > > + GATE(smmu_fimc_lite0, "smmu_fimc_lite0", "none", >> > > > + GATE_IP_GSCL, 12, 0, 0), >> > > > + GATE(smmu_fimc_lite1, "smmu_fimc_lite1", "none", >> > > > + GATE_IP_GSCL, 13, 0, 0), >> > > > + GATE(smmu_fimc_lite2, "smmu_fimc_lite2", "none", >> > > > + GATE_IP_GSCL, 14, 0, 0), >> > > > GATE(mfc, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0), >> > > > - GATE(smmu_mfcl, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0), >> > > > - GATE(smmu_mfcr, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0), >> > > > + GATE(smmu_mfcr, "smmu_mfcr", "none", GATE_IP_MFC, 1, 0, 0), >> > > > + GATE(smmu_mfcl, "smmu_mfcl", "none", GATE_IP_MFC, 2, 0, 0), >> > > > GATE(rotator, "rotator", "aclk266", GATE_IP_GEN, 1, 0, 0), >> > > > GATE(jpeg, "jpeg", "aclk166", GATE_IP_GEN, 2, 0, 0), >> > > > GATE(mdma1, "mdma1", "aclk266", GATE_IP_GEN, 4, 0, 0), >> > > > - GATE(smmu_rotator, "smmu_rotator", "aclk266", GATE_IP_GEN, 6, 0, 0), >> > > > - GATE(smmu_jpeg, "smmu_jpeg", "aclk166", GATE_IP_GEN, 7, 0, 0), >> > > > - GATE(smmu_mdma1, "smmu_mdma1", "aclk266", GATE_IP_GEN, 9, 0, 0), >> > > > + GATE(smmu_rotator, "smmu_rotator", "none", GATE_IP_GEN, 6, 0, 0), >> > > > + GATE(smmu_jpeg, "smmu_jpeg", "none", GATE_IP_GEN, 7, 0, 0), >> > > > + GATE(smmu_mdma1, "smmu_mdma1", "none", GATE_IP_GEN, 9, 0, 0), >> > > > GATE(pdma0, "pdma0", "aclk200", GATE_IP_FSYS, 1, 0, 0), >> > > > GATE(pdma1, "pdma1", "aclk200", GATE_IP_FSYS, 2, 0, 0), >> > > > GATE(sata, "sata", "aclk200", GATE_IP_FSYS, 6, 0, 0), >> > > > @@ -462,6 +480,27 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { >> > > > GATE(dp, "dp", "aclk200", GATE_IP_DISP1, 4, 0, 0), >> > > > GATE(mixer, "mixer", "aclk200", GATE_IP_DISP1, 5, 0, 0), >> > > > GATE(hdmi, "hdmi", "aclk200", GATE_IP_DISP1, 6, 0, 0), >> > > > + GATE(smmu_tv, "smmu_tv", "none", GATE_IP_DISP1, 2, 0, 0), It is 9th bit in GATE_IP_DISP1 for smmu_tv clock. All clocks without parents, are added to the list of orphan clocks. We should add correct parents to them. regards, Rahul Sharma. >> > > > + GATE(smmu_fimd1, "smmu_fimd1", "none", GATE_IP_DISP1, 8, 0, 0), >> > > > + >> > > > + GATE(smmu_fimc_isp, "smmu_fimc_isp", "none", GATE_IP_ISP0, 8, 0, 0), >> > > > + GATE(smmu_fimc_drc, "smmu_fimc_drc", "none", GATE_IP_ISP0, 9, 0, 0), >> > > > + GATE(smmu_fimc_fd, "smmu_fimc_fd", "none", GATE_IP_ISP0, 10, 0, 0), >> > > > + GATE(smmu_fimc_scc, "smmu_fimc_scc", "none", >> > > > + GATE_IP_ISP0, 11, 0, 0), >> > > > + GATE(smmu_fimc_scp, "smmu_fimc_scp", "none", >> > > > + GATE_IP_ISP0, 12, 0, 0), >> > > > + GATE(smmu_fimc_mcuctl, "smmu_fimc_mcuctl", "none", >> > > > + GATE_IP_ISP0, 13, 0, 0), >> > > > + GATE(smmu_fimc_odc, "smmu_fimc_odc", "none", GATE_IP_ISP1, 4, 0, 0), >> > > > + GATE(smmu_fimc_dis0, "smmu_fimc_dis0", "none", >> > > > + GATE_IP_ISP1, 5, 0, 0), >> > > > + GATE(smmu_fimc_dis1, "smmu_fimc_dis1", "none", >> > > > + GATE_IP_ISP1, 6, 0, 0), >> > > > + GATE(smmu_fimc_3dnr, "smmu_fimc_3dnr", "none", >> > > > + GATE_IP_ISP1, 7, 0, 0), >> > > > + >> > > > + GATE(smmu_2d, "smmu_2d", "none", GATE_IP_ACP, 7, 0, 0), >> > > > }; >> > > > >> > > > static __initdata struct of_device_id ext_clk_match[] = { >> > > > -- >> > > > 1.7.2.5 >> > > > >> > > > >> > > > >> > > > _______________________________________________ >> > > > linux-arm-kernel mailing list >> > > > linux-arm-kernel@lists.infradead.org >> > > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/