diff options
Diffstat (limited to 'drivers/clk/davinci/pll-dm646x.c')
-rw-r--r-- | drivers/clk/davinci/pll-dm646x.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/clk/davinci/pll-dm646x.c b/drivers/clk/davinci/pll-dm646x.c new file mode 100644 index 000000000..26982970d --- /dev/null +++ b/drivers/clk/davinci/pll-dm646x.c @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM646X + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk/davinci.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm646x_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = PLL_HAS_CLKMODE, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(4, pll1_sysclk4, pll1_pllen, 4, 0); +SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, 0); +SYSCLK(6, pll1_sysclk6, pll1_pllen, 4, 0); +SYSCLK(8, pll1_sysclk8, pll1_pllen, 4, 0); +SYSCLK(9, pll1_sysclk9, pll1_pllen, 4, 0); + +int dm646x_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base, cfgchip); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm646x-psc"); + clk_register_clkdev(clk, NULL, "davinci-wdt"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base); + clk_register_clkdev(clk, "pll1_sysclk5", "dm646x-psc"); + + davinci_pll_sysclk_register(dev, &pll1_sysclk6, base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk8, base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk9, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm646x_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = 0, +}; + +SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, SYSCLK_ALWAYS_ENABLED); + +int dm646x_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip) +{ + davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base, cfgchip); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + return 0; +} |