| David Lechner | 9ab1102 | 2018-03-15 21:52:30 -0500 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * PSC clock descriptions for TI DaVinci DM365 |
| 4 | * |
| 5 | * Copyright (C) 2018 David Lechner <david@lechnology.com> |
| 6 | */ |
| 7 | |
| 8 | #include <linux/clk-provider.h> |
| 9 | #include <linux/clk.h> |
| 10 | #include <linux/clkdev.h> |
| 11 | #include <linux/init.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/types.h> |
| 14 | |
| 15 | #include "psc.h" |
| 16 | |
| 17 | LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); |
| 18 | LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); |
| 19 | LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); |
| 20 | LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); |
| 21 | LPSC_CLKDEV1(usb_clkdev, "usb", NULL); |
| 22 | LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); |
| 23 | LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); |
| 24 | LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); |
| 25 | LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); |
| 26 | LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); |
| 27 | LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); |
| 28 | LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); |
| 29 | /* REVISIT: gpio-davinci.c should be modified to drop con_id */ |
| 30 | LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); |
| 31 | LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); |
| 32 | LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); |
| 33 | LPSC_CLKDEV1(spi3_clkdev, NULL, "spi_davinci.3"); |
| 34 | LPSC_CLKDEV1(spi4_clkdev, NULL, "spi_davinci.4"); |
| 35 | LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", |
| 36 | "fck", "davinci_mdio.0"); |
| 37 | LPSC_CLKDEV1(voice_codec_clkdev, NULL, "davinci_voicecodec"); |
| 38 | LPSC_CLKDEV1(vpss_dac_clkdev, "vpss_dac", NULL); |
| 39 | LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss"); |
| 40 | |
| 41 | static const struct davinci_lpsc_clk_info dm365_psc_info[] = { |
| 42 | LPSC(1, 0, vpss_slave, pll1_sysclk5, vpss_slave_clkdev, 0), |
| 43 | LPSC(5, 0, timer3, pll1_auxclk, NULL, 0), |
| 44 | LPSC(6, 0, spi1, pll1_sysclk4, spi1_clkdev, 0), |
| 45 | LPSC(7, 0, mmcsd1, pll1_sysclk4, mmcsd1_clkdev, 0), |
| 46 | LPSC(8, 0, asp0, pll1_sysclk4, asp0_clkdev, 0), |
| 47 | LPSC(9, 0, usb, pll1_auxclk, usb_clkdev, 0), |
| 48 | LPSC(10, 0, pwm3, pll1_auxclk, NULL, 0), |
| 49 | LPSC(11, 0, spi2, pll1_sysclk4, spi2_clkdev, 0), |
| 50 | LPSC(12, 0, rto, pll1_sysclk4, NULL, 0), |
| 51 | LPSC(14, 0, aemif, pll1_sysclk4, aemif_clkdev, 0), |
| 52 | LPSC(15, 0, mmcsd0, pll1_sysclk8, mmcsd0_clkdev, 0), |
| 53 | LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), |
| 54 | LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), |
| 55 | LPSC(20, 0, uart1, pll1_sysclk4, uart1_clkdev, 0), |
| 56 | LPSC(22, 0, spi0, pll1_sysclk4, spi0_clkdev, 0), |
| 57 | LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), |
| 58 | LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), |
| 59 | LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), |
| 60 | LPSC(26, 0, gpio, pll1_sysclk4, gpio_clkdev, 0), |
| 61 | LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), |
| 62 | LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), |
| 63 | /* REVISIT: why can't this be disabled? */ |
| 64 | LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), |
| 65 | LPSC(31, 0, arm, pll2_sysclk2, NULL, LPSC_ALWAYS_ENABLED), |
| 66 | LPSC(38, 0, spi3, pll1_sysclk4, spi3_clkdev, 0), |
| 67 | LPSC(39, 0, spi4, pll1_auxclk, spi4_clkdev, 0), |
| 68 | LPSC(40, 0, emac, pll2_sysclk4, emac_clkdev, 0), |
| 69 | LPSC(44, 1, voice_codec, pll1_sysclk3, voice_codec_clkdev, 0), |
| 70 | LPSC(46, 1, vpss_dac, pll1_sysclk3, vpss_dac_clkdev, 0), |
| 71 | LPSC(47, 0, vpss_master, pll1_sysclk5, vpss_master_clkdev, 0), |
| 72 | LPSC(50, 0, mjcp, pll1_sysclk3, NULL, 0), |
| 73 | { } |
| 74 | }; |
| 75 | |
| 76 | static int dm365_psc_init(struct device *dev, void __iomem *base) |
| 77 | { |
| 78 | return davinci_psc_register_clocks(dev, dm365_psc_info, 52, base); |
| 79 | } |
| 80 | |
| 81 | static struct clk_bulk_data dm365_psc_parent_clks[] = { |
| 82 | { .id = "pll1_sysclk1" }, |
| 83 | { .id = "pll1_sysclk3" }, |
| 84 | { .id = "pll1_sysclk4" }, |
| 85 | { .id = "pll1_sysclk5" }, |
| 86 | { .id = "pll1_sysclk8" }, |
| 87 | { .id = "pll2_sysclk2" }, |
| 88 | { .id = "pll2_sysclk4" }, |
| 89 | { .id = "pll1_auxclk" }, |
| 90 | }; |
| 91 | |
| 92 | const struct davinci_psc_init_data dm365_psc_init_data = { |
| 93 | .parent_clks = dm365_psc_parent_clks, |
| 94 | .num_parent_clks = ARRAY_SIZE(dm365_psc_parent_clks), |
| 95 | .psc_init = &dm365_psc_init, |
| 96 | }; |