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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:44986 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1ewfT4-002UlD-LN; Thu, 15 Mar 2018 22:51:42 -0400 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 12/42] clk: davinci: Add platform information for TI DA850 PSC Date: Thu, 15 Mar 2018 21:52:28 -0500 Message-Id: <1521168778-27236-13-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1521168778-27236-1-git-send-email-david@lechnology.com> References: <1521168778-27236-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180315_195350_127850_01ACA235 X-CRM114-Status: GOOD ( 12.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Lechner , Kevin Hilman , Stephen Boyd , Michael Turquette , Sekhar Nori , linux-kernel@vger.kernel.org, Bartosz Golaszewski , Rob Herring , Adam Ford MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds platform-specific declarations for the PSC clocks on TI DA850/ OMAP-L138/AM18XX SoCs. Signed-off-by: David Lechner Reviewed-by: Sekhar Nori --- v8 changes: - drop use of __init and __initconst attributes - add parent clock mappings v7 changes: - split registration function into two, one for each PSC - add platform_device_id table - add additional clkdev lookups for clock platform devices - add LPSC_SET_RATE_PARENT flag to LCDC clock - fix davinci_nand device name v6 changes: - change how clkdev lookups are declared drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-da850.c | 149 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/davinci/psc.c | 4 ++ drivers/clk/davinci/psc.h | 4 ++ 4 files changed, 158 insertions(+) create mode 100644 drivers/clk/davinci/psc-da850.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index fb14c8c..aef0390 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -11,4 +11,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o obj-y += psc.o obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o +obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o endif diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c new file mode 100644 index 0000000..dca2dd2 --- /dev/null +++ b/drivers/clk/davinci/psc-da850.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "psc.h" + +LPSC_CLKDEV2(emifa_clkdev, NULL, "ti-aemif", + "aemif", "davinci_nand.0"); +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +/* REVISIT: used dev_id instead of con_id */ +LPSC_CLKDEV1(arm_clkdev, "arm", NULL); +LPSC_CLKDEV1(dsp_clkdev, NULL, "davinci-rproc.0"); + +static const struct davinci_lpsc_clk_info da850_psc0_info[] = { + LPSC(0, 0, tpcc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(3, 0, emifa, async1, emifa_clkdev, 0), + LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), + LPSC(5, 0, mmcsd0, pll0_sysclk2, mmcsd0_clkdev, 0), + LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0), + LPSC(13, 0, pruss, pll0_sysclk2, NULL, 0), + LPSC(14, 0, arm, pll0_sysclk6, arm_clkdev, LPSC_ALWAYS_ENABLED | LPSC_SET_RATE_PARENT), + LPSC(15, 1, dsp, pll0_sysclk1, dsp_clkdev, LPSC_FORCE | LPSC_LOCAL_RESET), + { } +}; + +LPSC_CLKDEV3(usb0_clkdev, "fck", "da830-usb-phy-clks", + NULL, "musb-da8xx", + NULL, "cppi41-dmaengine"); +LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(sata_clkdev, "fck", "ahci_da850"); +LPSC_CLKDEV1(vpif_clkdev, NULL, "vpif"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0"); +LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1"); +LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0"); +LPSC_CLKDEV3(ehrpwm_clkdev, "fck", "ehrpwm.0", + "fck", "ehrpwm.1", + NULL, "da830-tbclksync"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); +LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0", + "fck", "ecap.1", + "fck", "ecap.2"); + +static int da850_psc0_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da850_psc0_info, 16, base); +} + +static int of_da850_psc0_init(struct device *dev, void __iomem *base) +{ + return of_davinci_psc_clk_init(dev, da850_psc0_info, 16, base); +} + +static struct clk_bulk_data da850_psc0_parent_clks[] = { + { .id = "pll0_sysclk1" }, + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk6" }, + { .id = "async1" }, +}; + +const struct davinci_psc_init_data da850_psc0_init_data = { + .parent_clks = da850_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks), + .psc_init = &da850_psc0_init, +}; + +const struct davinci_psc_init_data of_da850_psc0_init_data = { + .parent_clks = da850_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks), + .psc_init = &of_da850_psc0_init, +}; + +static const struct davinci_lpsc_clk_info da850_psc1_info[] = { + LPSC(0, 0, tpcc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0), + LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0), + LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0), + LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0), + LPSC(6, 0, ddr, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, mcasp0, async3, mcasp0_clkdev, 0), + LPSC(8, 0, sata, pll0_sysclk2, sata_clkdev, LPSC_FORCE), + LPSC(9, 0, vpif, pll0_sysclk2, vpif_clkdev, 0), + LPSC(10, 0, spi1, async3, spi1_clkdev, 0), + LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0), + LPSC(12, 0, uart1, async3, uart1_clkdev, 0), + LPSC(13, 0, uart2, async3, uart2_clkdev, 0), + LPSC(14, 0, mcbsp0, async3, mcbsp0_clkdev, 0), + LPSC(15, 0, mcbsp1, async3, mcbsp1_clkdev, 0), + LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0), + LPSC(17, 0, ehrpwm, async3, ehrpwm_clkdev, 0), + LPSC(18, 0, mmcsd1, pll0_sysclk2, mmcsd1_clkdev, 0), + LPSC(20, 0, ecap, async3, ecap_clkdev, 0), + LPSC(21, 0, tptc2, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +static int da850_psc1_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da850_psc1_info, 32, base); +} + +static int of_da850_psc1_init(struct device *dev, void __iomem *base) +{ + return of_davinci_psc_clk_init(dev, da850_psc1_info, 32, base); +} + +static struct clk_bulk_data da850_psc1_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "async3" }, +}; + +const struct davinci_psc_init_data da850_psc1_init_data = { + .parent_clks = da850_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks), + .psc_init = &da850_psc1_init, +}; + +const struct davinci_psc_init_data of_da850_psc1_init_data = { + .parent_clks = da850_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks), + .psc_init = &of_da850_psc1_init, +}; diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c index d4cff87..fa39536 100644 --- a/drivers/clk/davinci/psc.c +++ b/drivers/clk/davinci/psc.c @@ -482,12 +482,16 @@ int of_davinci_psc_clk_init(struct device *dev, } static const struct of_device_id davinci_psc_of_match[] = { + { .compatible = "ti,da850-psc0", .data = &of_da850_psc0_init_data }, + { .compatible = "ti,da850-psc1", .data = &of_da850_psc1_init_data }, { } }; static const struct platform_device_id davinci_psc_id_table[] = { { .name = "da830-psc0", .driver_data = (kernel_ulong_t)&da830_psc0_init_data }, { .name = "da830-psc1", .driver_data = (kernel_ulong_t)&da830_psc1_init_data }, + { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data }, + { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data }, { } }; diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h index 852e9aa..476bd74 100644 --- a/drivers/clk/davinci/psc.h +++ b/drivers/clk/davinci/psc.h @@ -96,5 +96,9 @@ struct davinci_psc_init_data { extern const struct davinci_psc_init_data da830_psc0_init_data; extern const struct davinci_psc_init_data da830_psc1_init_data; +extern const struct davinci_psc_init_data da850_psc0_init_data; +extern const struct davinci_psc_init_data da850_psc1_init_data; +extern const struct davinci_psc_init_data of_da850_psc0_init_data; +extern const struct davinci_psc_init_data of_da850_psc1_init_data; #endif /* __CLK_DAVINCI_PSC_H__ */