diff options
Diffstat (limited to 'drivers/clk/davinci')
| -rw-r--r-- | drivers/clk/davinci/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc-dm355.c | 88 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc.c | 1 | ||||
| -rw-r--r-- | drivers/clk/davinci/psc.h | 1 |
4 files changed, 91 insertions, 0 deletions
diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index aef0390f710e..e0da5c3859e2 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 000000000000..6995ecea2677 --- /dev/null +++ b/drivers/clk/davinci/psc-dm355.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM355 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.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(vpss_master_clkdev, "master", "vpss"); +LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "dm6441-mmc.1"); +LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1"); +LPSC_CLKDEV1(usb_clkdev, "usb", NULL); +LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "dm6441-mmc.0"); +LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); +LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); +LPSC_CLKDEV1(vpss_dac_clkdev, "vpss_dac", NULL); + +static const struct davinci_lpsc_clk_info dm355_psc_info[] = { + LPSC(0, 0, vpss_master, pll1_sysclk4, vpss_master_clkdev, 0), + LPSC(1, 0, vpss_slave, pll1_sysclk4, vpss_slave_clkdev, 0), + LPSC(5, 0, timer3, pll1_auxclk, NULL, 0), + LPSC(6, 0, spi1, pll1_sysclk2, spi1_clkdev, 0), + LPSC(7, 0, mmcsd1, pll1_sysclk2, mmcsd1_clkdev, 0), + LPSC(8, 0, asp1, pll1_sysclk2, NULL, 0), + LPSC(9, 0, usb, pll1_sysclk2, usb_clkdev, 0), + LPSC(10, 0, pwm3, pll1_auxclk, NULL, 0), + LPSC(11, 0, spi2, pll1_sysclk2, spi2_clkdev, 0), + LPSC(12, 0, rto, pll1_auxclk, NULL, 0), + LPSC(14, 0, aemif, pll1_sysclk2, aemif_clkdev, 0), + LPSC(15, 0, mmcsd0, pll1_sysclk2, mmcsd0_clkdev, 0), + LPSC(17, 0, asp0, pll1_sysclk2, NULL, 0), + LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), + LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), + LPSC(20, 0, uart1, pll1_auxclk, uart1_clkdev, 0), + LPSC(21, 0, uart2, pll1_sysclk2, uart2_clkdev, 0), + LPSC(22, 0, spi0, pll1_sysclk2, spi0_clkdev, 0), + LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), + LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), + LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), + LPSC(26, 0, gpio, pll1_sysclk2, gpio_clkdev, 0), + LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), + /* REVISIT: why can't this be disabled? */ + LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, arm, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + LPSC(40, 0, mjcp, pll1_sysclk1, NULL, 0), + LPSC(41, 0, vpss_dac, pll1_sysclk3, vpss_dac_clkdev, 0), + { } +}; + +static int dm355_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm355_psc_info, 42, base); +} + +static struct clk_bulk_data dm355_psc_parent_clks[] = { + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk2" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk4" }, + { .id = "pll1_auxclk" }, +}; + +const struct davinci_psc_init_data dm355_psc_init_data = { + .parent_clks = dm355_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm355_psc_parent_clks), + .psc_init = &dm355_psc_init, +}; diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c index fa3953685384..0825b62c1f3d 100644 --- a/drivers/clk/davinci/psc.c +++ b/drivers/clk/davinci/psc.c @@ -492,6 +492,7 @@ static const struct platform_device_id davinci_psc_id_table[] = { { .name = "da830-psc1", .driver_data = (kernel_ulong_t)&da830_psc1_init_data }, { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data }, { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data }, + { .name = "dm355-psc", .driver_data = (kernel_ulong_t)&dm355_psc_init_data }, { } }; diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h index 476bd74c7f50..d672e72ec227 100644 --- a/drivers/clk/davinci/psc.h +++ b/drivers/clk/davinci/psc.h @@ -100,5 +100,6 @@ extern const struct davinci_psc_init_data da850_psc0_init_data; extern const struct davinci_psc_init_data da850_psc1_init_data; extern const struct davinci_psc_init_data of_da850_psc0_init_data; extern const struct davinci_psc_init_data of_da850_psc1_init_data; +extern const struct davinci_psc_init_data dm355_psc_init_data; #endif /* __CLK_DAVINCI_PSC_H__ */ |