This adds platform-specific declarations for the PLL clocks on TI DM646x based systems.
Signed-off-by: David Lechner <[email protected]> --- v6 changes: - Added dm646x_pll{1,2}_info with controller-specific information - Add empty lines between function calls drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/pll-dm646x.c | 63 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 65 insertions(+) create mode 100644 drivers/clk/davinci/pll-dm646x.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index 59d8ab6..d471386 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -7,4 +7,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA850) += pll-da850.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += pll-dm355.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += pll-dm365.o obj-$(CONFIG_ARCH_DAVINCI_DM644x) += pll-dm644x.o +obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o endif diff --git a/drivers/clk/davinci/pll-dm646x.c b/drivers/clk/davinci/pll-dm646x.c new file mode 100644 index 0000000..2d58d11 --- /dev/null +++ b/drivers/clk/davinci/pll-dm646x.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM646X + * + * Copyright (C) 2018 David Lechner <[email protected]> + */ + +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm646x_pll1_info __initconst = { + .name = "pll1", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = PLL_HAS_OSCIN, +}; + +static const struct davinci_pll_sysclk_info dm646x_pll1_sysclk_info[] __initconst = { + 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), + { } +}; + +static const struct davinci_pll_clk_info dm646x_pll2_info __initconst = { + .name = "pll2", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = 0, +}; + +static const struct davinci_pll_sysclk_info dm646x_pll2_sysclk_info[] __initconst = { + SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, 0), + { } +}; + +void __init dm646x_pll_clk_init(void __iomem *pll1, void __iomem *pll2) +{ + const struct davinci_pll_sysclk_info *info; + + davinci_pll_clk_register(&dm646x_pll1_info, "ref_clk", pll1); + + for (info = dm646x_pll1_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(info, pll1); + + davinci_pll_sysclkbp_clk_register("pll1_sysclkbp", pll1); + + davinci_pll_auxclk_register("pll1_auxclk", pll1); + + davinci_pll_clk_register(&dm646x_pll2_info, "oscin", pll2); + + for (info = dm646x_pll2_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(info, pll2); +} diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index 535990a..d495de7 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -14,5 +14,6 @@ void da850_pll_clk_init(void __iomem *pll0, void __iomem *pll1); void dm355_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void dm365_pll_clk_init(void __iomem *pll1, void __iomem *pll2); void dm644x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); +void dm646x_pll_clk_init(void __iomem *pll1, void __iomem *pll2); #endif /* __LINUX_CLK_DAVINCI_H__ */ -- 2.7.4
