This series is just for review. Please do not apply this patch. Signed-off-by: Masahiro Yamada <[email protected]> ---
drivers/clk/uniphier/Kconfig | 4 ++ drivers/clk/uniphier/Makefile | 2 + drivers/clk/uniphier/clk-uniphier-ld4.c | 112 ++++++++++++++++++++++++++++++++ 3 files changed, 118 insertions(+) create mode 100644 drivers/clk/uniphier/clk-uniphier-ld4.c diff --git a/drivers/clk/uniphier/Kconfig b/drivers/clk/uniphier/Kconfig index f36529a..f5a7fbb 100644 --- a/drivers/clk/uniphier/Kconfig +++ b/drivers/clk/uniphier/Kconfig @@ -6,4 +6,8 @@ menuconfig CLK_UNIPHIER if CLK_UNIPHIER +config CLK_UNIPHIER_LD4 + tristate "Clock driver for UniPhier PH1-LD4 SoC" + default ARM + endif diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile index 4d6daa8..2ca2070 100644 --- a/drivers/clk/uniphier/Makefile +++ b/drivers/clk/uniphier/Makefile @@ -3,3 +3,5 @@ obj-y += clk-uniphier-fixed-factor.o obj-y += clk-uniphier-fixed-rate.o obj-y += clk-uniphier-gate.o obj-y += clk-uniphier-mux.o + +obj-$(CONFIG_CLK_UNIPHIER_LD4) += clk-uniphier-ld4.o diff --git a/drivers/clk/uniphier/clk-uniphier-ld4.c b/drivers/clk/uniphier/clk-uniphier-ld4.c new file mode 100644 index 0000000..229729a --- /dev/null +++ b/drivers/clk/uniphier/clk-uniphier-ld4.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <[email protected]> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> + +#include "clk-uniphier.h" + +static const struct uniphier_clk_data uniphier_ld4_clk_data[] = { + { + .name = "spll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 65, + .div = 1, + }, + }, + { + .name = "upll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 288000, + .div = 24576, + }, + }, + { + .name = "a2pll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 24, + .div = 1, + }, + }, + { + .name = "uart", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 0, + .data.factor = { + .parent_name = "a2pll", + .mult = 1, + .div = 16, + }, + }, + { + .name = "i2c", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 1, + .data.factor = { + .parent_name = "spll", + .mult = 1, + .div = 16, + }, + }, + { + .name = "ehci", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 5, + .data.factor = { + .parent_name = "upll", + .mult = 1, + .div = 12, + }, + }, + { + .name = "stdmac", + .type = UNIPHIER_CLK_TYPE_GATE, + .output_index = 7, + .data.gate = { + .parent_name = NULL, + .reg = 0x2104, + .mask = BIT(10), + .enable_val = BIT(10), + }, + }, + { /* sentinel */ } +}; + +static int uniphier_ld4_clk_probe(struct platform_device *pdev) +{ + return uniphier_clk_probe(pdev, uniphier_ld4_clk_data); +} + +static struct platform_driver uniphier_ld4_clk_driver = { + .probe = uniphier_ld4_clk_probe, + .remove = uniphier_clk_remove, + .driver = { + .name = "uniphier-ld4-clk", + }, +}; +module_platform_driver(uniphier_ld4_clk_driver); + +MODULE_AUTHOR("Masahiro Yamada <[email protected]>"); +MODULE_DESCRIPTION("UniPhier PH1-LD4 System Clock Driver"); +MODULE_LICENSE("GPL"); -- 1.9.1
