diff options
Diffstat (limited to 'drivers/clk/davinci/psc-da830.c')
| -rw-r--r-- | drivers/clk/davinci/psc-da830.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/clk/davinci/psc-da830.c b/drivers/clk/davinci/psc-da830.c new file mode 100644 index 000000000000..f61abf5632ff --- /dev/null +++ b/drivers/clk/davinci/psc-da830.c @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA830/OMAP-L137/AM17XX + * + * 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(spi0_clkdev, NULL, "spi_davinci.0"); +LPSC_CLKDEV1(mmcsd_clkdev, NULL, "da830-mmc.0"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); + +static const struct davinci_lpsc_clk_info da830_psc0_info[] = { + LPSC(0, 0, tpcc, 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, aemif, pll0_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), + LPSC(5, 0, mmcsd, pll0_sysclk2, mmcsd_clkdev, 0), + LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, secu_mgr, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0), + LPSC(10, 0, scr0_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(11, 0, scr1_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(12, 0, scr2_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(13, 0, pruss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(14, 0, arm, pll0_sysclk6, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +static int da830_psc0_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da830_psc0_info, 16, base); +} + +static struct clk_bulk_data da830_psc0_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk3" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk6" }, +}; + +const struct davinci_psc_init_data da830_psc0_init_data = { + .parent_clks = da830_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da830_psc0_parent_clks), + .psc_init = &da830_psc0_init, +}; + +LPSC_CLKDEV2(usb0_clkdev, 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(mcasp1_clkdev, NULL, "davinci-mcasp.1"); +LPSC_CLKDEV1(mcasp2_clkdev, NULL, "davinci-mcasp.2"); +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(lcdc_clkdev, "fck", "da8xx_lcdc.0"); +LPSC_CLKDEV2(pwm_clkdev, "fck", "ehrpwm.0", + "fck", "ehrpwm.1"); +LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0", + "fck", "ecap.1", + "fck", "ecap.2"); +LPSC_CLKDEV2(eqep_clkdev, NULL, "eqep.0", + NULL, "eqep.1"); + +static const struct davinci_lpsc_clk_info da830_psc1_info[] = { + 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, emif3, pll0_sysclk5, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, mcasp0, pll0_sysclk2, mcasp0_clkdev, 0), + LPSC(8, 0, mcasp1, pll0_sysclk2, mcasp1_clkdev, 0), + LPSC(9, 0, mcasp2, pll0_sysclk2, mcasp2_clkdev, 0), + LPSC(10, 0, spi1, pll0_sysclk2, spi1_clkdev, 0), + LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0), + LPSC(12, 0, uart1, pll0_sysclk2, uart1_clkdev, 0), + LPSC(13, 0, uart2, pll0_sysclk2, uart2_clkdev, 0), + LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0), + LPSC(17, 0, pwm, pll0_sysclk2, pwm_clkdev, 0), + LPSC(20, 0, ecap, pll0_sysclk2, ecap_clkdev, 0), + LPSC(21, 0, eqep, pll0_sysclk2, eqep_clkdev, 0), + { } +}; + +static int da830_psc1_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da830_psc1_info, 32, base); +} + +static struct clk_bulk_data da830_psc1_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk5" }, +}; + +const struct davinci_psc_init_data da830_psc1_init_data = { + .parent_clks = da830_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da830_psc1_parent_clks), + .psc_init = &da830_psc1_init, +}; |