diff options
| -rw-r--r-- | drivers/clk/davinci/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/davinci/pll-dm355.c | 79 | ||||
| -rw-r--r-- | drivers/clk/davinci/pll.c | 2 | ||||
| -rw-r--r-- | drivers/clk/davinci/pll.h | 3 |
4 files changed, 85 insertions, 0 deletions
diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index 13049d43215e..6720bd073a27 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -4,4 +4,5 @@ ifeq ($(CONFIG_COMMON_CLK), y) obj-y += pll.o obj-$(CONFIG_ARCH_DAVINCI_DA830) += pll-da830.o obj-$(CONFIG_ARCH_DAVINCI_DA850) += pll-da850.o +obj-$(CONFIG_ARCH_DAVINCI_DM355) += pll-dm355.o endif diff --git a/drivers/clk/davinci/pll-dm355.c b/drivers/clk/davinci/pll-dm355.c new file mode 100644 index 000000000000..5345f8286c50 --- /dev/null +++ b/drivers/clk/davinci/pll-dm355.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM355 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/bitops.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm355_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | + PLL_PREDIV_FIXED8 | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll1_sysclk1, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); +SYSCLK(2, pll1_sysclk2, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); +SYSCLK(3, pll1_sysclk3, pll1, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(4, pll1_sysclk4, pll1, 5, SYSCLK_ALWAYS_ENABLED); + +int dm355_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm355_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm355-psc"); + + clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + clk_register_clkdev(clk, "pll1_auxclk", "dm355-psc"); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm355_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll2_sysclk1, pll2, 5, SYSCLK_FIXED_DIV); +SYSCLK(2, pll2_sysclk2, pll2, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); + +int dm355_pll2_init(struct device *dev, void __iomem *base) +{ + davinci_pll_clk_register(dev, &dm355_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk2, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base); + + return 0; +} diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c index 124bbd2c39e0..4a506a970c52 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -780,6 +780,8 @@ static const struct platform_device_id davinci_pll_id_table[] = { { .name = "da830-pll", .driver_data = (kernel_ulong_t)da830_pll_init }, { .name = "da850-pll0", .driver_data = (kernel_ulong_t)da850_pll0_init }, { .name = "da850-pll1", .driver_data = (kernel_ulong_t)da850_pll1_init }, + { .name = "dm355-pll1", .driver_data = (kernel_ulong_t)dm355_pll1_init }, + { .name = "dm355-pll2", .driver_data = (kernel_ulong_t)dm355_pll2_init }, { } }; diff --git a/drivers/clk/davinci/pll.h b/drivers/clk/davinci/pll.h index 53b8d513d726..d90d3080fcda 100644 --- a/drivers/clk/davinci/pll.h +++ b/drivers/clk/davinci/pll.h @@ -126,4 +126,7 @@ int da850_pll1_init(struct device *dev, void __iomem *base); int of_da850_pll0_init(struct device *dev, void __iomem *base); int of_da850_pll1_init(struct device *dev, void __iomem *base); +int dm355_pll1_init(struct device *dev, void __iomem *base); +int dm355_pll2_init(struct device *dev, void __iomem *base); + #endif /* __CLK_DAVINCI_PLL_H___ */ |