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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 1eYN1I-0009GR-Ei; Sun, 07 Jan 2018 21:18:36 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 16/44] clk: davinci: Add platform information for TI DM646x PSC Date: Sun, 7 Jan 2018 20:17:15 -0600 Message-Id: <1515377863-20358-17-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_181855_962982_B1B94169 X-CRM114-Status: GOOD ( 11.56 ) 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 DaVinci 646x based systems. Signed-off-by: David Lechner --- drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-dm646x.c | 68 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 70 insertions(+) create mode 100644 drivers/clk/davinci/psc-dm646x.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index a20e379..6c388d4 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -15,4 +15,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += psc-dm365.o obj-$(CONFIG_ARCH_DAVINCI_DM644x) += psc-dm644x.o +obj-$(CONFIG_ARCH_DAVINCI_DM646x) += psc-dm646x.o endif diff --git a/drivers/clk/davinci/psc-dm646x.c b/drivers/clk/davinci/psc-dm646x.c new file mode 100644 index 0000000..cbc3976 --- /dev/null +++ b/drivers/clk/davinci/psc-dm646x.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM646x + * + * Copyright (C) 2017 David Lechner + */ + +#include +#include +#include +#include + +#include "psc.h" + +static const struct davinci_psc_clk_info dm646x_psc_info[] __initconst = { + LPSC(0, 0, arm, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(1, 0, dsp, pll1_sysclk1, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, edma_cc, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(5, 0, edma_tc0, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(6, 0, edma_tc1, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, edma_tc2, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, edma_tc3, pll1_sysclk2, LPSC_ALWAYS_ENABLED), + LPSC(10, 0, ide, pll1_sysclk4, 0), + LPSC(14, 0, emac, pll1_sysclk3, 0), + LPSC(16, 0, vpif0, ref_clk, LPSC_ALWAYS_ENABLED), + LPSC(17, 0, vpif1, ref_clk, LPSC_ALWAYS_ENABLED), + LPSC(21, 0, aemif, pll1_sysclk3, LPSC_ALWAYS_ENABLED), + LPSC(22, 0, mcasp0, pll1_sysclk3, 0), + LPSC(23, 0, mcasp1, pll1_sysclk3, 0), + LPSC(26, 0, uart0, aux_clkin, 0), + LPSC(27, 0, uart1, aux_clkin, 0), + LPSC(28, 0, uart2, aux_clkin, 0), + /* REVIST: disabling hangs system */ + LPSC(29, 0, pwm0, pll1_sysclk3, LPSC_ALWAYS_ENABLED), + /* REVIST: disabling hangs system */ + LPSC(30, 0, pwm1, pll1_sysclk3, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, i2c, pll1_sysclk3, 0), + LPSC(33, 0, gpio, pll1_sysclk3, 0), + LPSC(34, 0, timer0, pll1_sysclk3, 0), + LPSC(35, 0, timer1, pll1_sysclk3, 0), + { } +}; + +void __init dm646x_psc_clk_init(void __iomem *psc) +{ + struct clk_onecell_data *clk_data; + + clk_data = davinci_psc_register_clocks(psc, dm646x_psc_info, 41); + if (!clk_data) + return; + + clk_register_clkdev(clk_data->clks[0], "arm", NULL); + clk_register_clkdev(clk_data->clks[10], NULL, "palm_bk3710"); + clk_register_clkdev(clk_data->clks[14], NULL, "davinci_emac.1"); + clk_register_clkdev(clk_data->clks[14], "fck", "davinci_mdio.0"); + clk_register_clkdev(clk_data->clks[21], "aemif", NULL); + clk_register_clkdev(clk_data->clks[22], NULL, "davinci-mcasp.0"); + clk_register_clkdev(clk_data->clks[23], NULL, "davinci-mcasp.1"); + clk_register_clkdev(clk_data->clks[26], NULL, "serial8250.0"); + clk_register_clkdev(clk_data->clks[27], NULL, "serial8250.1"); + clk_register_clkdev(clk_data->clks[28], NULL, "serial8250.2"); + clk_register_clkdev(clk_data->clks[31], NULL, "i2c_davinci.1"); + clk_register_clkdev(clk_data->clks[33], "gpio", NULL); + clk_register_clkdev(clk_data->clks[34], "timer0", NULL); + + clk_free_onecell_data(clk_data); +} diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index 6d2896d..3810ea3 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -21,5 +21,6 @@ void da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1); void dm355_psc_clk_init(void __iomem *psc); void dm365_psc_clk_init(void __iomem *psc); void dm644x_psc_clk_init(void __iomem *psc); +void dm646x_psc_clk_init(void __iomem *psc); #endif /* __LINUX_CLK_DAVINCI_H__ */