This adds platform-specific declarations for the PSC clocks on TI DA850/ OMAP-L138/AM18XX SoCs.
Signed-off-by: David Lechner <[email protected]> --- v6 changes: - change how clkdev lookups are declared drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/psc-da850.c | 109 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 111 insertions(+) create mode 100644 drivers/clk/davinci/psc-da850.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index fb14c8c..aef0390 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -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 diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c new file mode 100644 index 0000000..df36e1c --- /dev/null +++ b/drivers/clk/davinci/psc-da850.c @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX + * + * Copyright (C) 2018 David Lechner <[email protected]> + */ + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/init.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_psc_clk_info da850_psc0_info[] __initconst = { + 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_ARM_RATE), + LPSC(15, 1, dsp, pll0_sysclk1, dsp_clkdev, LPSC_FORCE | + LPSC_LOCAL_RESET), + { } +}; + +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(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_CLKDEV2(ehrpwm_clkdev, "fck", "ehrpwm.0", + "fck", "ehrpwm.1"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); +LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0", + "fck", "ecap.1", + "fck", "ecap.2"); + +static const struct davinci_psc_clk_info da850_psc1_info[] __initconst = { + 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), + { } +}; + +void __init da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1) +{ + davinci_psc_register_clocks(da850_psc0_info, psc0); + davinci_psc_register_clocks(da850_psc1_info, psc1); +} + +#ifdef CONFIG_OF +static void __init of_da850_psc0_clk_init(struct device_node *node) +{ + of_davinci_psc_clk_init(node, da850_psc0_info, 16); +} +CLK_OF_DECLARE(da850_psc0_clk, "ti,da850-psc0", of_da850_psc0_clk_init); + +static void __init of_da850_psc1_clk_init(struct device_node *node) +{ + of_davinci_psc_clk_init(node, da850_psc1_info, 32); +} +CLK_OF_DECLARE(da850_psc1_clk, "ti,da850-psc1", of_da850_psc1_clk_init); +#endif diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index 3ec8100..3d8bdfa 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -17,5 +17,6 @@ void dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void dm646x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void da830_psc_clk_init(void __iomem *psc0, void __iomem *psc1); +void da850_psc_clk_init(void __iomem *psc0, void __iomem *psc1); #endif /* __LINUX_CLK_DAVINCI_H__ */ -- 2.7.4
