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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:53590 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1ecwjI-00059q-KK; Sat, 20 Jan 2018 12:14:56 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 16/41] clk: davinci: Add platform information for TI DM646x PSC Date: Sat, 20 Jan 2018 11:13:55 -0600 Message-Id: <1516468460-4908-17-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516468460-4908-1-git-send-email-david@lechnology.com> References: <1516468460-4908-1-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-20180120_171642_930828_74638F8A X-CRM114-Status: GOOD ( 13.16 ) 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 DM646x based systems. Signed-off-by: David Lechner Reviewed-by: Sekhar Nori --- v6 changes: - change how clkdev lookups are declared drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-dm646x.c | 62 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 64 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..bdb9db7 --- /dev/null +++ b/drivers/clk/davinci/psc-dm646x.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM646x + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include +#include + +#include "psc.h" + +LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); + +static const struct davinci_psc_clk_info dm646x_psc_info[] __initconst = { + LPSC(0, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(1, 0, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, edma_cc, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(5, 0, edma_tc0, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(6, 0, edma_tc1, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, edma_tc2, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, edma_tc3, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(10, 0, ide, pll1_sysclk4, ide_clkdev, 0), + LPSC(14, 0, emac, pll1_sysclk3, emac_clkdev, 0), + LPSC(16, 0, vpif0, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(17, 0, vpif1, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(21, 0, aemif, pll1_sysclk3, aemif_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(22, 0, mcasp0, pll1_sysclk3, mcasp0_clkdev, 0), + LPSC(23, 0, mcasp1, pll1_sysclk3, mcasp1_clkdev, 0), + LPSC(26, 0, uart0, aux_clkin, uart0_clkdev, 0), + LPSC(27, 0, uart1, aux_clkin, uart1_clkdev, 0), + LPSC(28, 0, uart2, aux_clkin, uart2_clkdev, 0), + /* REVIST: disabling hangs system */ + LPSC(29, 0, pwm0, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + /* REVIST: disabling hangs system */ + LPSC(30, 0, pwm1, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, i2c, pll1_sysclk3, i2c_clkdev, 0), + LPSC(33, 0, gpio, pll1_sysclk3, gpio_clkdev, 0), + LPSC(34, 0, timer0, pll1_sysclk3, timer0_clkdev, 0), + LPSC(35, 0, timer1, pll1_sysclk3, NULL, 0), + { } +}; + +void __init dm646x_psc_clk_init(void __iomem *psc) +{ + davinci_psc_register_clocks(dm646x_psc_info, psc); +} 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__ */