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| // SPDX-License-Identifier: GPL-2.0
| /*
| * PSC clock descriptions for TI DaVinci DM646x
| *
| * Copyright (C) 2018 David Lechner <david@lechnology.com>
| */
|
| #include <linux/clk-provider.h>
| #include <linux/clk/davinci.h>
| #include <linux/clk.h>
| #include <linux/clkdev.h>
| #include <linux/init.h>
| #include <linux/kernel.h>
| #include <linux/types.h>
|
| #include "psc.h"
|
| LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710");
| LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
| "fck", "davinci_mdio.0");
| LPSC_CLKDEV2(aemif_clkdev, "aemif", NULL,
| NULL, "ti-aemif");
| 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_lpsc_clk_info dm646x_psc_info[] = {
| 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, LPSC_ALWAYS_ENABLED),
| LPSC(35, 0, timer1, pll1_sysclk3, NULL, 0),
| { }
| };
|
| int dm646x_psc_init(struct device *dev, void __iomem *base)
| {
| return davinci_psc_register_clocks(dev, dm646x_psc_info, 46, base);
| }
|
| static struct clk_bulk_data dm646x_psc_parent_clks[] = {
| { .id = "ref_clk" },
| { .id = "aux_clkin" },
| { .id = "pll1_sysclk1" },
| { .id = "pll1_sysclk2" },
| { .id = "pll1_sysclk3" },
| { .id = "pll1_sysclk4" },
| { .id = "pll1_sysclk5" },
| };
|
| const struct davinci_psc_init_data dm646x_psc_init_data = {
| .parent_clks = dm646x_psc_parent_clks,
| .num_parent_clks = ARRAY_SIZE(dm646x_psc_parent_clks),
| .psc_init = &dm646x_psc_init,
| };
|
|
