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    Subject[PATCH v5 15/44] clk: davinci: Add platform information for TI DM644x PSC
    Date
    This adds platform-specific declarations for the PSC clocks on TI
    DaVinci 644x based systems.

    Signed-off-by: David Lechner <david@lechnology.com>
    ---
    drivers/clk/davinci/Makefile | 1 +
    drivers/clk/davinci/psc-dm644x.c | 73 ++++++++++++++++++++++++++++++++++++++++
    include/linux/clk/davinci.h | 1 +
    3 files changed, 75 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..ef5ef14
    --- /dev/null
    +++ b/drivers/clk/davinci/psc-dm644x.c
    @@ -0,0 +1,73 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * PSC clock descriptions for TI DaVinci DM644x
    + *
    + * Copyright (C) 2017 David Lechner <david@lechnology.com>
    + */
    +
    +#include <linux/clk-provider.h>
    +#include <linux/clkdev.h>
    +#include <linux/init.h>
    +#include <linux/types.h>
    +
    +#include "psc.h"
    +
    +static const struct davinci_psc_clk_info dm644x_psc_info[] __initconst = {
    + LPSC(0, 0, vpss_master, pll1_sysclk3, 0),
    + LPSC(1, 0, vpss_slave, pll1_sysclk3, 0),
    + LPSC(6, 0, emac, pll1_sysclk5, 0),
    + LPSC(9, 0, usb, pll1_sysclk5, 0),
    + LPSC(10, 0, ide, pll1_sysclk5, 0),
    + LPSC(11, 0, vlynq, pll1_sysclk5, 0),
    + LPSC(14, 0, aemif, pll1_sysclk5, 0),
    + LPSC(15, 0, mmcsd, pll1_sysclk5, 0),
    + LPSC(17, 0, asp0, pll1_sysclk5, 0),
    + LPSC(18, 0, i2c, pll1_aux_clk, 0),
    + LPSC(19, 0, uart0, pll1_aux_clk, 0),
    + LPSC(20, 0, uart1, pll1_aux_clk, 0),
    + LPSC(21, 0, uart2, pll1_aux_clk, 0),
    + LPSC(22, 0, spi, pll1_sysclk5, 0),
    + LPSC(23, 0, pwm0, pll1_aux_clk, 0),
    + LPSC(24, 0, pwm1, pll1_aux_clk, 0),
    + LPSC(25, 0, pwm2, pll1_aux_clk, 0),
    + LPSC(26, 0, gpio, pll1_sysclk5, 0),
    + LPSC(27, 0, timer0, pll1_aux_clk, 0),
    + LPSC(28, 0, timer1, pll1_aux_clk, 0),
    + /* REVISIT: why can't this be disabled? */
    + LPSC(29, 0, timer2, pll1_aux_clk, LPSC_ALWAYS_ENABLED),
    + LPSC(31, 0, arm, pll1_sysclk2, LPSC_ALWAYS_ENABLED),
    + /* REVISIT how to disable? */
    + LPSC(39, 1, dsp, pll1_sysclk1, LPSC_ALWAYS_ENABLED),
    + /* REVISIT how to disable? */
    + LPSC(40, 1, vicp, pll1_sysclk2, LPSC_ALWAYS_ENABLED),
    + { }
    +};
    +
    +void __init dm644x_psc_clk_init(void __iomem *psc)
    +{
    + struct clk_onecell_data *clk_data;
    +
    + clk_data = davinci_psc_register_clocks(psc, dm644x_psc_info, 41);
    + if (!clk_data)
    + return;
    +
    + clk_register_clkdev(clk_data->clks[0], "master", "vpss");
    + clk_register_clkdev(clk_data->clks[1], "slave", "vpss");
    + clk_register_clkdev(clk_data->clks[6], NULL, "davinci_emac.1");
    + clk_register_clkdev(clk_data->clks[6], "fck", "davinci_mdio.0");
    + clk_register_clkdev(clk_data->clks[9], "usb", NULL);
    + clk_register_clkdev(clk_data->clks[10], NULL, "palm_bk3710");
    + clk_register_clkdev(clk_data->clks[14], "aemif", NULL);
    + clk_register_clkdev(clk_data->clks[15], NULL, "dm6441-mmc.0");
    + clk_register_clkdev(clk_data->clks[17], NULL, "davinci-mcbsp");
    + clk_register_clkdev(clk_data->clks[18], NULL, "i2c_davinci.1");
    + clk_register_clkdev(clk_data->clks[19], NULL, "serial8250.0");
    + clk_register_clkdev(clk_data->clks[20], NULL, "serial8250.1");
    + clk_register_clkdev(clk_data->clks[21], NULL, "serial8250.2");
    + clk_register_clkdev(clk_data->clks[26], "gpio", NULL);
    + clk_register_clkdev(clk_data->clks[27], "timer0", NULL);
    + clk_register_clkdev(clk_data->clks[29], NULL, "davinci-wdt");
    + clk_register_clkdev(clk_data->clks[31], "arm", NULL);
    +
    + clk_free_onecell_data(clk_data);
    +}
    diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
    index c7d8c5f..6d2896d 100644
    --- a/include/linux/clk/davinci.h
    +++ b/include/linux/clk/davinci.h
    @@ -20,5 +20,6 @@ void da830_psc_clk_init(void __iomem *psc0, void __iomem *psc1);
    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);

    #endif /* __LINUX_CLK_DAVINCI_H__ */
    --
    2.7.4
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