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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:53904 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1eYN1B-0009GR-IR; Sun, 07 Jan 2018 21:18:30 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 12/44] clk: davinci: Add platform information for TI DA850 PSC Date: Sun, 7 Jan 2018 20:17:11 -0600 Message-Id: <1515377863-20358-13-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1515377863-20358-1-git-send-email-david@lechnology.com> References: <1515377863-20358-1-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-20180107_181843_242412_BC5D21BD X-CRM114-Status: GOOD ( 11.55 ) 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, 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 --- drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-da850.c | 117 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 119 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..3b4583d --- /dev/null +++ b/drivers/clk/davinci/psc-da850.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX + * + * Copyright (C) 2017 David Lechner + */ + +#include +#include +#include +#include +#include + +#include "psc.h" + +static const struct davinci_psc_clk_info da850_psc0_info[] __initconst = { + LPSC(0, 0, tpcc0, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, tptc0, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(2, 0, tptc1, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(3, 0, aemif, pll0_sysclk3, 0), + LPSC(4, 0, spi0, pll0_sysclk2, 0), + LPSC(5, 0, mmcsd0, pll0_sysclk2, 0), + LPSC(6, 0, aintc, pll0_sysclk4, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, arm_rom, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(9, 0, uart0, pll0_sysclk2, 0), + LPSC(13, 0, pruss, pll0_sysclk2, 0), + LPSC(14, 0, arm, pll0_sysclk6, LPSC_ALWAYS_ENABLED), + LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET), + { } +}; + +static const struct davinci_psc_clk_info da850_psc1_info[] __initconst = { + LPSC(0, 0, tpcc1, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, usb0, pll0_sysclk2, 0), + LPSC(2, 0, usb1, pll0_sysclk4, 0), + LPSC(3, 0, gpio, pll0_sysclk4, 0), + LPSC(5, 0, emac, pll0_sysclk4, 0), + LPSC(6, 0, emif3, pll0_sysclk5, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, mcasp0, async3, 0), + LPSC(8, 0, sata, pll0_sysclk2, LPSC_FORCE), + LPSC(9, 0, vpif, pll0_sysclk2, 0), + LPSC(10, 0, spi1, async3, 0), + LPSC(11, 0, i2c1, pll0_sysclk4, 0), + LPSC(12, 0, uart1, async3, 0), + LPSC(13, 0, uart2, async3, 0), + LPSC(14, 0, mcbsp0, async3, 0), + LPSC(15, 0, mcbsp1, async3, 0), + LPSC(16, 0, lcdc, pll0_sysclk2, 0), + LPSC(17, 0, ehrpwm, async3, 0), + LPSC(18, 0, mmcsd1, pll0_sysclk2, 0), + LPSC(20, 0, ecap, async3, 0), + LPSC(21, 0, tptc2, pll0_sysclk2, LPSC_ALWAYS_ENABLED), + { } +}; + +void __init da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1) +{ + struct clk_onecell_data *clk_data; + + clk_data = davinci_psc_register_clocks(psc0, da850_psc0_info, 16); + if (!clk_data) + return; + + clk_register_clkdev(clk_data->clks[3], NULL, "ti-aemif"); + clk_register_clkdev(clk_data->clks[3], "aemif", "davinci-nand.0"); + clk_register_clkdev(clk_data->clks[4], NULL, "spi_davinci.0"); + clk_register_clkdev(clk_data->clks[5], NULL, "da830-mmc.0"); + clk_register_clkdev(clk_data->clks[9], NULL, "serial8250.0"); + clk_register_clkdev(clk_data->clks[14], "arm", NULL); + clk_register_clkdev(clk_data->clks[15], NULL, "davinci-rproc.0"); + + clk_free_onecell_data(clk_data); + + clk_data = davinci_psc_register_clocks(psc1, da850_psc1_info, 32); + if (!clk_data) + return; + + clk_register_clkdev(clk_data->clks[1], "usb20_psc_clk", NULL); + clk_register_clkdev(clk_data->clks[1], NULL, "musb-da8xx"); + clk_register_clkdev(clk_data->clks[1], NULL, "cppi41-dmaengine"); + clk_register_clkdev(clk_data->clks[2], NULL, "ohci-da8xx"); + clk_register_clkdev(clk_data->clks[3], "gpio", NULL); + clk_register_clkdev(clk_data->clks[5], NULL, "davinci_emac.1"); + clk_register_clkdev(clk_data->clks[5], "fck", "davinci_mdio.0"); + clk_register_clkdev(clk_data->clks[7], NULL, "davinci-mcasp.0"); + clk_register_clkdev(clk_data->clks[8], "fck", "ahci_da850"); + clk_register_clkdev(clk_data->clks[9], NULL, "vpif"); + clk_register_clkdev(clk_data->clks[10], NULL, "spi_davinci.1"); + clk_register_clkdev(clk_data->clks[11], NULL, "i2c_davinci.2"); + clk_register_clkdev(clk_data->clks[12], NULL, "serial8250.1"); + clk_register_clkdev(clk_data->clks[13], NULL, "serial8250.2"); + clk_register_clkdev(clk_data->clks[14], NULL, "davinci-mcbsp.0"); + clk_register_clkdev(clk_data->clks[15], NULL, "davinci-mcbsp.1"); + clk_register_clkdev(clk_data->clks[16], "fck", "da8xx_lcdc.0"); + clk_register_clkdev(clk_data->clks[17], "fck", "ehrpwm.0"); + clk_register_clkdev(clk_data->clks[17], "fck", "ehrpwm.1"); + clk_register_clkdev(clk_data->clks[18], NULL, "da830-mmc.1"); + clk_register_clkdev(clk_data->clks[20], "fck", "ecap.0"); + clk_register_clkdev(clk_data->clks[20], "fck", "ecap.1"); + clk_register_clkdev(clk_data->clks[20], "fck", "ecap.2"); + + clk_free_onecell_data(clk_data); +} + +#ifdef CONFIG_OF +static void __init of_da850_psc0_clk_init(struct device_node *node) +{ + of_davinci_psc_clk_init(node, da850_psc0_info, 16); +} +CLK_OF_DECLARE(da850_psc0_clk, "ti,da850-psc0", of_da850_psc0_clk_init); + +static void __init of_da850_psc1_clk_init(struct device_node *node) +{ + of_davinci_psc_clk_init(node, da850_psc1_info, 32); +} +CLK_OF_DECLARE(da850_psc1_clk, "ti,da850-psc1", of_da850_psc1_clk_init); +#endif diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index 3ec8100..3d8bdfa 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -17,5 +17,6 @@ void dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void dm646x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void da830_psc_clk_init(void __iomem *psc0, void __iomem *psc1); +void da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1); #endif /* __LINUX_CLK_DAVINCI_H__ */