Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [RFC PATCH 11/21] clk: uniphier: add clock driver for Peripheral block on UniPhier SoCs | Date | Tue, 10 May 2016 18:50:52 +0900 |
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This series is just for review. Please do not apply this patch.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
drivers/clk/uniphier/Kconfig | 4 + drivers/clk/uniphier/Makefile | 1 + drivers/clk/uniphier/clk-uniphier-peri.c | 133 +++++++++++++++++++++++++++++++ 3 files changed, 138 insertions(+) create mode 100644 drivers/clk/uniphier/clk-uniphier-peri.c
diff --git a/drivers/clk/uniphier/Kconfig b/drivers/clk/uniphier/Kconfig index 895c4a0..08edaf8 100644 --- a/drivers/clk/uniphier/Kconfig +++ b/drivers/clk/uniphier/Kconfig @@ -38,4 +38,8 @@ config CLK_UNIPHIER_MIO tristate "Clock driver for UniPhier Media I/O block" default y +config CLK_UNIPHIER_PERI + tristate "Clock driver for UniPhier Peripheral block" + default y + endif diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile index ae71f04..a69d6fe 100644 --- a/drivers/clk/uniphier/Makefile +++ b/drivers/clk/uniphier/Makefile @@ -13,3 +13,4 @@ obj-$(CONFIG_CLK_UNIPHIER_LD11) += clk-uniphier-ld11.o obj-$(CONFIG_CLK_UNIPHIER_LD20) += clk-uniphier-ld20.o obj-$(CONFIG_CLK_UNIPHIER_MIO) += clk-uniphier-mio.o +obj-$(CONFIG_CLK_UNIPHIER_PERI) += clk-uniphier-peri.o diff --git a/drivers/clk/uniphier/clk-uniphier-peri.c b/drivers/clk/uniphier/clk-uniphier-peri.c new file mode 100644 index 0000000..e5510f5 --- /dev/null +++ b/drivers/clk/uniphier/clk-uniphier-peri.c @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + * + * 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/of.h> +#include <linux/platform_device.h> + +#include "clk-uniphier.h" + +#define UNIPHIER_PERI_CLK_UART(ch, index) \ + { \ + .name = "uart" #ch, \ + .type = UNIPHIER_CLK_TYPE_GATE, \ + .output_index = (index), \ + .data.gate = { \ + .parent_name = "uart", \ + .reg = 0x24, \ + .mask = BIT(19 + ch), \ + .enable_val = BIT(19 + ch), \ + }, \ + } + +#define UNIPHIER_PERI_CLK_I2C_COMMON \ + { \ + .name = "i2c-common", \ + .type = UNIPHIER_CLK_TYPE_GATE, \ + .output_index = -1, \ + .data.gate = { \ + .parent_name = "i2c", \ + .reg = 0x20, \ + .mask = BIT(1), \ + .enable_val = BIT(1), \ + }, \ + } + +#define UNIPHIER_PERI_CLK_I2C(ch, index) \ + { \ + .name = "i2c" #ch, \ + .type = UNIPHIER_CLK_TYPE_GATE, \ + .output_index = (index), \ + .data.gate = { \ + .parent_name = "i2c-common", \ + .reg = 0x24, \ + .mask = BIT(5 + ch), \ + .enable_val = BIT(5 + ch), \ + }, \ + } + +#define UNIPHIER_PERI_CLK_FI2C(ch, index) \ + { \ + .name = "fi2c" #ch, \ + .type = UNIPHIER_CLK_TYPE_GATE, \ + .output_index = (index), \ + .data.gate = { \ + .parent_name = "fi2c", \ + .reg = 0x24, \ + .mask = BIT(24 + ch), \ + .enable_val = BIT(24 + ch), \ + }, \ + } + +static const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = { + UNIPHIER_PERI_CLK_UART(0, 0), + UNIPHIER_PERI_CLK_UART(1, 1), + UNIPHIER_PERI_CLK_UART(2, 2), + UNIPHIER_PERI_CLK_UART(3, 3), + UNIPHIER_PERI_CLK_I2C_COMMON, + UNIPHIER_PERI_CLK_I2C(0, 4), + UNIPHIER_PERI_CLK_I2C(1, 5), + UNIPHIER_PERI_CLK_I2C(2, 6), + UNIPHIER_PERI_CLK_I2C(3, 7), + UNIPHIER_PERI_CLK_I2C(4, 8), + { /* sentinel */ } +}; + +static int uniphier_ld4_peri_clk_probe(struct platform_device *pdev) +{ + return uniphier_clk_probe(pdev, uniphier_ld4_peri_clk_data); +} + +static struct platform_driver uniphier_ld4_peri_clk_driver = { + .probe = uniphier_ld4_peri_clk_probe, + .remove = uniphier_clk_remove, + .driver = { + .name = "uniphier-ld4-peri-clk", + }, +}; +module_platform_driver(uniphier_ld4_peri_clk_driver); + +static const struct uniphier_clk_data uniphier_pro4_peri_clk_data[] = { + UNIPHIER_PERI_CLK_UART(0, 0), + UNIPHIER_PERI_CLK_UART(1, 1), + UNIPHIER_PERI_CLK_UART(2, 2), + UNIPHIER_PERI_CLK_UART(3, 3), + UNIPHIER_PERI_CLK_FI2C(0, 4), + UNIPHIER_PERI_CLK_FI2C(1, 5), + UNIPHIER_PERI_CLK_FI2C(2, 6), + UNIPHIER_PERI_CLK_FI2C(3, 7), + UNIPHIER_PERI_CLK_FI2C(4, 8), + UNIPHIER_PERI_CLK_FI2C(5, 9), + UNIPHIER_PERI_CLK_FI2C(6, 10), + { /* sentinel */ } +}; + +static int uniphier_pro4_peri_clk_probe(struct platform_device *pdev) +{ + return uniphier_clk_probe(pdev, uniphier_pro4_peri_clk_data); +} + +static struct platform_driver uniphier_pro4_peri_clk_driver = { + .probe = uniphier_pro4_peri_clk_probe, + .remove = uniphier_clk_remove, + .driver = { + .name = "uniphier-pro4-peri-clk", + }, +}; +module_platform_driver(uniphier_pro4_peri_clk_driver); + +MODULE_AUTHOR("Masahiro Yamada <yamada.masahiro@socionext.com>"); +MODULE_DESCRIPTION("UniPhier Peripheral Clock Driver"); +MODULE_LICENSE("GPL"); -- 1.9.1
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