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authorDavid Lechner <david@lechnology.com>2018-03-15 22:52:30 -0400
committerStephen Boyd <sboyd@kernel.org>2018-03-20 13:16:26 -0400
commit9ab1102cceef22c7386664f114d2713cb021d186 (patch)
tree0e88a3fc0140c6183971c87177063990d98a1f85 /drivers
parentb99bfca56ecb186c71ad2fe0377c99357f4e9bf5 (diff)
clk: davinci: Add platform information for TI DM365 PSC
This adds platform-specific declarations for the PSC clocks on TI DM365 based systems. Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/davinci/Makefile1
-rw-r--r--drivers/clk/davinci/psc-dm365.c96
-rw-r--r--drivers/clk/davinci/psc.c1
-rw-r--r--drivers/clk/davinci/psc.h1
4 files changed, 99 insertions, 0 deletions
diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile
index e0da5c3859e2..78dc1eba4058 100644
--- a/drivers/clk/davinci/Makefile
+++ b/drivers/clk/davinci/Makefile
@@ -13,4 +13,5 @@ obj-y += psc.o
13obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o 13obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o
14obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o 14obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o
15obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o 15obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o
16obj-$(CONFIG_ARCH_DAVINCI_DM365) += psc-dm365.o
16endif 17endif
diff --git a/drivers/clk/davinci/psc-dm365.c b/drivers/clk/davinci/psc-dm365.c
new file mode 100644
index 000000000000..3ad915f37376
--- /dev/null
+++ b/drivers/clk/davinci/psc-dm365.c
@@ -0,0 +1,96 @@
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
17LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss");
18LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1");
19LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1");
20LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp");
21LPSC_CLKDEV1(usb_clkdev, "usb", NULL);
22LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2");
23LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL);
24LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0");
25LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1");
26LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0");
27LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1");
28LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0");
29/* REVISIT: gpio-davinci.c should be modified to drop con_id */
30LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL);
31LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL);
32LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt");
33LPSC_CLKDEV1(spi3_clkdev, NULL, "spi_davinci.3");
34LPSC_CLKDEV1(spi4_clkdev, NULL, "spi_davinci.4");
35LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
36 "fck", "davinci_mdio.0");
37LPSC_CLKDEV1(voice_codec_clkdev, NULL, "davinci_voicecodec");
38LPSC_CLKDEV1(vpss_dac_clkdev, "vpss_dac", NULL);
39LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss");
40
41static 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
76static 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
81static 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
92const 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};
diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c
index 0825b62c1f3d..7bcf31622706 100644
--- a/drivers/clk/davinci/psc.c
+++ b/drivers/clk/davinci/psc.c
@@ -493,6 +493,7 @@ static const struct platform_device_id davinci_psc_id_table[] = {
493 { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data }, 493 { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data },
494 { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data }, 494 { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data },
495 { .name = "dm355-psc", .driver_data = (kernel_ulong_t)&dm355_psc_init_data }, 495 { .name = "dm355-psc", .driver_data = (kernel_ulong_t)&dm355_psc_init_data },
496 { .name = "dm365-psc", .driver_data = (kernel_ulong_t)&dm365_psc_init_data },
496 { } 497 { }
497}; 498};
498 499
diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h
index d672e72ec227..4f6210e8606f 100644
--- a/drivers/clk/davinci/psc.h
+++ b/drivers/clk/davinci/psc.h
@@ -101,5 +101,6 @@ extern const struct davinci_psc_init_data da850_psc1_init_data;
101extern const struct davinci_psc_init_data of_da850_psc0_init_data; 101extern const struct davinci_psc_init_data of_da850_psc0_init_data;
102extern const struct davinci_psc_init_data of_da850_psc1_init_data; 102extern const struct davinci_psc_init_data of_da850_psc1_init_data;
103extern const struct davinci_psc_init_data dm355_psc_init_data; 103extern const struct davinci_psc_init_data dm355_psc_init_data;
104extern const struct davinci_psc_init_data dm365_psc_init_data;
104 105
105#endif /* __CLK_DAVINCI_PSC_H__ */ 106#endif /* __CLK_DAVINCI_PSC_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-27 10:36:44 -0400