^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * PSC clock descriptions for TI DaVinci DM644x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2018 David Lechner <david@lechnology.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/clk/davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/clkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "psc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) "fck", "davinci_mdio.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) LPSC_CLKDEV1(usb_clkdev, "usb", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) LPSC_CLKDEV2(aemif_clkdev, "aemif", NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) NULL, "ti-aemif");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) LPSC_CLKDEV1(mmcsd_clkdev, NULL, "dm6441-mmc.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* REVISIT: gpio-davinci.c should be modified to drop con_id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static const struct davinci_lpsc_clk_info dm644x_psc_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) LPSC(0, 0, vpss_master, pll1_sysclk3, vpss_master_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) LPSC(1, 0, vpss_slave, pll1_sysclk3, vpss_slave_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) LPSC(6, 0, emac, pll1_sysclk5, emac_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) LPSC(9, 0, usb, pll1_sysclk5, usb_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) LPSC(10, 0, ide, pll1_sysclk5, ide_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) LPSC(11, 0, vlynq, pll1_sysclk5, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) LPSC(14, 0, aemif, pll1_sysclk5, aemif_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) LPSC(15, 0, mmcsd, pll1_sysclk5, mmcsd_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) LPSC(17, 0, asp0, pll1_sysclk5, asp0_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) LPSC(20, 0, uart1, pll1_auxclk, uart1_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) LPSC(21, 0, uart2, pll1_auxclk, uart2_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) LPSC(22, 0, spi, pll1_sysclk5, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) LPSC(26, 0, gpio, pll1_sysclk5, gpio_clkdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) LPSC(28, 0, timer1, pll1_auxclk, NULL, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* REVISIT: why can't this be disabled? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) LPSC(31, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* REVISIT how to disable? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) LPSC(39, 1, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* REVISIT how to disable? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) LPSC(40, 1, vicp, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int dm644x_psc_init(struct device *dev, void __iomem *base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return davinci_psc_register_clocks(dev, dm644x_psc_info, 41, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static struct clk_bulk_data dm644x_psc_parent_clks[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) { .id = "pll1_sysclk1" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) { .id = "pll1_sysclk2" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) { .id = "pll1_sysclk3" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) { .id = "pll1_sysclk5" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) { .id = "pll1_auxclk" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) const struct davinci_psc_init_data dm644x_psc_init_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .parent_clks = dm644x_psc_parent_clks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .num_parent_clks = ARRAY_SIZE(dm644x_psc_parent_clks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .psc_init = &dm644x_psc_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) };