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    Subject[PATCH v5 13/44] clk: davinci: Add platform information for TI DM355 PSC
    Date
    This adds platform-specific declarations for the PSC clocks on TI
    DaVinci 355 based systems.

    Signed-off-by: David Lechner <david@lechnology.com>
    ---
    drivers/clk/davinci/Makefile | 1 +
    drivers/clk/davinci/psc-dm355.c | 78 +++++++++++++++++++++++++++++++++++++++++
    include/linux/clk/davinci.h | 1 +
    3 files changed, 80 insertions(+)
    create mode 100644 drivers/clk/davinci/psc-dm355.c

    diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
    index aef0390..e0da5c3 100644
    --- a/drivers/clk/davinci/Makefile
    +++ b/drivers/clk/davinci/Makefile
    @@ -12,4 +12,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o
    obj-y += psc.o
    obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o
    obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o
    +obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o
    endif
    diff --git a/drivers/clk/davinci/psc-dm355.c b/drivers/clk/davinci/psc-dm355.c
    new file mode 100644
    index 0000000..09075ed
    --- /dev/null
    +++ b/drivers/clk/davinci/psc-dm355.c
    @@ -0,0 +1,78 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * PSC clock descriptions for TI DaVinci DM355
    + *
    + * 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 dm355_psc_info[] __initconst = {
    + LPSC(0, 0, vpss_master, pll1_sysclk4, 0),
    + LPSC(1, 0, vpss_slave, pll1_sysclk4, 0),
    + LPSC(5, 0, timer3, pll1_aux_clk, 0),
    + LPSC(6, 0, spi1, pll1_sysclk2, 0),
    + LPSC(7, 0, mmcsd1, pll1_sysclk2, 0),
    + LPSC(8, 0, asp1, pll1_sysclk2, 0),
    + LPSC(9, 0, usb, pll1_sysclk2, 0),
    + LPSC(10, 0, pwm3, pll1_aux_clk, 0),
    + LPSC(11, 0, spi2, pll1_sysclk2, 0),
    + LPSC(12, 0, rto, pll1_aux_clk, 0),
    + LPSC(14, 0, aemif, pll1_sysclk2, 0),
    + LPSC(15, 0, mmcsd0, pll1_sysclk2, 0),
    + LPSC(17, 0, asp0, pll1_sysclk2, 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_sysclk2, 0),
    + LPSC(22, 0, spi0, pll1_sysclk2, 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_sysclk2, 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_sysclk1, LPSC_ALWAYS_ENABLED),
    + LPSC(40, 0, mjcp, pll1_sysclk1, 0),
    + LPSC(41, 0, vpss_dac, pll1_sysclk3, 0),
    + { }
    +};
    +
    +void __init dm355_psc_clk_init(void __iomem *psc)
    +{
    + struct clk_onecell_data *clk_data;
    +
    + clk_data = davinci_psc_register_clocks(psc, dm355_psc_info, 42);
    + 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, "spi_davinci.1");
    + clk_register_clkdev(clk_data->clks[7], NULL, "dm6441-mmc.1");
    + clk_register_clkdev(clk_data->clks[8], NULL, "davinci-mcbsp.1");
    + clk_register_clkdev(clk_data->clks[9], "usb", NULL);
    + clk_register_clkdev(clk_data->clks[11], NULL, "spi_davinci.2");
    + 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.0");
    + 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[22], NULL, "spi_davinci.0");
    + 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_register_clkdev(clk_data->clks[41], "vpss_dac", NULL);
    +
    + clk_free_onecell_data(clk_data);
    +}
    diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h
    index 3d8bdfa..dc09177 100644
    --- a/include/linux/clk/davinci.h
    +++ b/include/linux/clk/davinci.h
    @@ -18,5 +18,6 @@ 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);
    +void dm355_psc_clk_init(void __iomem *psc);

    #endif /* __LINUX_CLK_DAVINCI_H__ */
    --
    2.7.4
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