mirror of
https://github.com/torvalds/linux.git
synced 2024-12-01 16:41:39 +00:00
clk: davinci: Add platform information for TI DA850 PSC
This adds platform-specific declarations for the PSC clocks on TI DA850/ OMAP-L138/AM18XX SoCs. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
David Lechner
Stephen Boyd
parent
c2952e271b
commit
a47d604062
@ -11,4 +11,5 @@ 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
|
||||
endif
|
||||
|
||||
149
drivers/clk/davinci/psc-da850.c
Normal file
149
drivers/clk/davinci/psc-da850.c
Normal file
@ -0,0 +1,149 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* PSC clock descriptions for TI DA850/OMAP-L138/AM18XX
|
||||
*
|
||||
* 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/of.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
#include "psc.h"
|
||||
|
||||
LPSC_CLKDEV2(emifa_clkdev, NULL, "ti-aemif",
|
||||
"aemif", "davinci_nand.0");
|
||||
LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0");
|
||||
LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0");
|
||||
LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0");
|
||||
/* REVISIT: used dev_id instead of con_id */
|
||||
LPSC_CLKDEV1(arm_clkdev, "arm", NULL);
|
||||
LPSC_CLKDEV1(dsp_clkdev, NULL, "davinci-rproc.0");
|
||||
|
||||
static const struct davinci_lpsc_clk_info da850_psc0_info[] = {
|
||||
LPSC(0, 0, tpcc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(3, 0, emifa, async1, emifa_clkdev, 0),
|
||||
LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0),
|
||||
LPSC(5, 0, mmcsd0, pll0_sysclk2, mmcsd0_clkdev, 0),
|
||||
LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0),
|
||||
LPSC(13, 0, pruss, pll0_sysclk2, NULL, 0),
|
||||
LPSC(14, 0, arm, pll0_sysclk6, arm_clkdev, LPSC_ALWAYS_ENABLED | LPSC_SET_RATE_PARENT),
|
||||
LPSC(15, 1, dsp, pll0_sysclk1, dsp_clkdev, LPSC_FORCE | LPSC_LOCAL_RESET),
|
||||
{ }
|
||||
};
|
||||
|
||||
LPSC_CLKDEV3(usb0_clkdev, "fck", "da830-usb-phy-clks",
|
||||
NULL, "musb-da8xx",
|
||||
NULL, "cppi41-dmaengine");
|
||||
LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx");
|
||||
/* REVISIT: gpio-davinci.c should be modified to drop con_id */
|
||||
LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL);
|
||||
LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1",
|
||||
"fck", "davinci_mdio.0");
|
||||
LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0");
|
||||
LPSC_CLKDEV1(sata_clkdev, "fck", "ahci_da850");
|
||||
LPSC_CLKDEV1(vpif_clkdev, NULL, "vpif");
|
||||
LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1");
|
||||
LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2");
|
||||
LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1");
|
||||
LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2");
|
||||
LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0");
|
||||
LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1");
|
||||
LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0");
|
||||
LPSC_CLKDEV3(ehrpwm_clkdev, "fck", "ehrpwm.0",
|
||||
"fck", "ehrpwm.1",
|
||||
NULL, "da830-tbclksync");
|
||||
LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1");
|
||||
LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0",
|
||||
"fck", "ecap.1",
|
||||
"fck", "ecap.2");
|
||||
|
||||
static int da850_psc0_init(struct device *dev, void __iomem *base)
|
||||
{
|
||||
return davinci_psc_register_clocks(dev, da850_psc0_info, 16, base);
|
||||
}
|
||||
|
||||
static int of_da850_psc0_init(struct device *dev, void __iomem *base)
|
||||
{
|
||||
return of_davinci_psc_clk_init(dev, da850_psc0_info, 16, base);
|
||||
}
|
||||
|
||||
static struct clk_bulk_data da850_psc0_parent_clks[] = {
|
||||
{ .id = "pll0_sysclk1" },
|
||||
{ .id = "pll0_sysclk2" },
|
||||
{ .id = "pll0_sysclk4" },
|
||||
{ .id = "pll0_sysclk6" },
|
||||
{ .id = "async1" },
|
||||
};
|
||||
|
||||
const struct davinci_psc_init_data da850_psc0_init_data = {
|
||||
.parent_clks = da850_psc0_parent_clks,
|
||||
.num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks),
|
||||
.psc_init = &da850_psc0_init,
|
||||
};
|
||||
|
||||
const struct davinci_psc_init_data of_da850_psc0_init_data = {
|
||||
.parent_clks = da850_psc0_parent_clks,
|
||||
.num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks),
|
||||
.psc_init = &of_da850_psc0_init,
|
||||
};
|
||||
|
||||
static const struct davinci_lpsc_clk_info da850_psc1_info[] = {
|
||||
LPSC(0, 0, tpcc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0),
|
||||
LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0),
|
||||
LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0),
|
||||
LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0),
|
||||
LPSC(6, 0, ddr, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
LPSC(7, 0, mcasp0, async3, mcasp0_clkdev, 0),
|
||||
LPSC(8, 0, sata, pll0_sysclk2, sata_clkdev, LPSC_FORCE),
|
||||
LPSC(9, 0, vpif, pll0_sysclk2, vpif_clkdev, 0),
|
||||
LPSC(10, 0, spi1, async3, spi1_clkdev, 0),
|
||||
LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0),
|
||||
LPSC(12, 0, uart1, async3, uart1_clkdev, 0),
|
||||
LPSC(13, 0, uart2, async3, uart2_clkdev, 0),
|
||||
LPSC(14, 0, mcbsp0, async3, mcbsp0_clkdev, 0),
|
||||
LPSC(15, 0, mcbsp1, async3, mcbsp1_clkdev, 0),
|
||||
LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0),
|
||||
LPSC(17, 0, ehrpwm, async3, ehrpwm_clkdev, 0),
|
||||
LPSC(18, 0, mmcsd1, pll0_sysclk2, mmcsd1_clkdev, 0),
|
||||
LPSC(20, 0, ecap, async3, ecap_clkdev, 0),
|
||||
LPSC(21, 0, tptc2, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED),
|
||||
{ }
|
||||
};
|
||||
|
||||
static int da850_psc1_init(struct device *dev, void __iomem *base)
|
||||
{
|
||||
return davinci_psc_register_clocks(dev, da850_psc1_info, 32, base);
|
||||
}
|
||||
|
||||
static int of_da850_psc1_init(struct device *dev, void __iomem *base)
|
||||
{
|
||||
return of_davinci_psc_clk_init(dev, da850_psc1_info, 32, base);
|
||||
}
|
||||
|
||||
static struct clk_bulk_data da850_psc1_parent_clks[] = {
|
||||
{ .id = "pll0_sysclk2" },
|
||||
{ .id = "pll0_sysclk4" },
|
||||
{ .id = "async3" },
|
||||
};
|
||||
|
||||
const struct davinci_psc_init_data da850_psc1_init_data = {
|
||||
.parent_clks = da850_psc1_parent_clks,
|
||||
.num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks),
|
||||
.psc_init = &da850_psc1_init,
|
||||
};
|
||||
|
||||
const struct davinci_psc_init_data of_da850_psc1_init_data = {
|
||||
.parent_clks = da850_psc1_parent_clks,
|
||||
.num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks),
|
||||
.psc_init = &of_da850_psc1_init,
|
||||
};
|
||||
@ -482,12 +482,16 @@ int of_davinci_psc_clk_init(struct device *dev,
|
||||
}
|
||||
|
||||
static const struct of_device_id davinci_psc_of_match[] = {
|
||||
{ .compatible = "ti,da850-psc0", .data = &of_da850_psc0_init_data },
|
||||
{ .compatible = "ti,da850-psc1", .data = &of_da850_psc1_init_data },
|
||||
{ }
|
||||
};
|
||||
|
||||
static const struct platform_device_id davinci_psc_id_table[] = {
|
||||
{ .name = "da830-psc0", .driver_data = (kernel_ulong_t)&da830_psc0_init_data },
|
||||
{ .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 },
|
||||
{ }
|
||||
};
|
||||
|
||||
|
||||
@ -96,5 +96,9 @@ struct davinci_psc_init_data {
|
||||
|
||||
extern const struct davinci_psc_init_data da830_psc0_init_data;
|
||||
extern const struct davinci_psc_init_data da830_psc1_init_data;
|
||||
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;
|
||||
|
||||
#endif /* __CLK_DAVINCI_PSC_H__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user