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Subject[RFC PATCH 11/21] clk: uniphier: add clock driver for Peripheral block on UniPhier SoCs
Date
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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