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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:48842 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1enrwS-003xBV-FX; Mon, 19 Feb 2018 15:21:40 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 15/42] clk: davinci: Add platform information for TI DM644x PSC Date: Mon, 19 Feb 2018 14:21:36 -0600 Message-Id: <1519071723-31790-16-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519071723-31790-1-git-send-email-david@lechnology.com> References: <1519071723-31790-1-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-20180219_122312_006774_7CEE3B3B X-CRM114-Status: GOOD ( 14.16 ) 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 DM644x based systems. Signed-off-by: David Lechner --- v7 changes: - add platform_device_id table - don't wrap lines for readability - add LPSC_ALWAYS_ENABLED flag to timer0 clock v6 changes: - change how clkdev lookups are declared drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-dm644x.c | 67 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/davinci/psc.c | 1 + drivers/clk/davinci/psc.h | 1 + 4 files changed, 70 insertions(+) create mode 100644 drivers/clk/davinci/psc-dm644x.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index 78dc1eb..a20e379 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -14,4 +14,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o obj-$(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 endif diff --git a/drivers/clk/davinci/psc-dm644x.c b/drivers/clk/davinci/psc-dm644x.c new file mode 100644 index 0000000..68bf48d --- /dev/null +++ b/drivers/clk/davinci/psc-dm644x.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM644x + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include +#include + +#include "psc.h" + +LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss"); +LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(usb_clkdev, "usb", NULL); +LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mmcsd_clkdev, NULL, "dm6441-mmc.0"); +LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); +LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); + +static const struct davinci_lpsc_clk_info dm644x_psc_info[] __initconst = { + LPSC(0, 0, vpss_master, pll1_sysclk3, vpss_master_clkdev, 0), + LPSC(1, 0, vpss_slave, pll1_sysclk3, vpss_slave_clkdev, 0), + LPSC(6, 0, emac, pll1_sysclk5, emac_clkdev, 0), + LPSC(9, 0, usb, pll1_sysclk5, usb_clkdev, 0), + LPSC(10, 0, ide, pll1_sysclk5, ide_clkdev, 0), + LPSC(11, 0, vlynq, pll1_sysclk5, NULL, 0), + LPSC(14, 0, aemif, pll1_sysclk5, aemif_clkdev, 0), + LPSC(15, 0, mmcsd, pll1_sysclk5, mmcsd_clkdev, 0), + LPSC(17, 0, asp0, pll1_sysclk5, asp0_clkdev, 0), + LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), + LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), + LPSC(20, 0, uart1, pll1_auxclk, uart1_clkdev, 0), + LPSC(21, 0, uart2, pll1_auxclk, uart2_clkdev, 0), + LPSC(22, 0, spi, pll1_sysclk5, NULL, 0), + LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), + LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), + LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), + LPSC(26, 0, gpio, pll1_sysclk5, gpio_clkdev, 0), + LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), + /* REVISIT: why can't this be disabled? */ + LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(39, 1, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(40, 1, vicp, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +int __init dm644x_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm644x_psc_info, 41, base); +} diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c index 5f5fc10..29422d6 100644 --- a/drivers/clk/davinci/psc.c +++ b/drivers/clk/davinci/psc.c @@ -451,6 +451,7 @@ static const struct platform_device_id davinci_psc_id_table[] = { { .name = "da850-psc1", .driver_data = (kernel_ulong_t)da850_psc1_init }, { .name = "dm355-psc", .driver_data = (kernel_ulong_t)dm355_psc_init }, { .name = "dm365-psc", .driver_data = (kernel_ulong_t)dm365_psc_init }, + { .name = "dm644x-psc", .driver_data = (kernel_ulong_t)dm644x_psc_init }, { } }; diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h index 14caccf..41266af5b 100644 --- a/drivers/clk/davinci/psc.h +++ b/drivers/clk/davinci/psc.h @@ -95,5 +95,6 @@ int of_da850_psc0_init(struct device *dev, void __iomem *base); int of_da850_psc1_init(struct device *dev, void __iomem *base); int dm355_psc_init(struct device *dev, void __iomem *base); int dm365_psc_init(struct device *dev, void __iomem *base); +int dm644x_psc_init(struct device *dev, void __iomem *base); #endif /* __CLK_DAVINCI_PSC_H__ */