reset: uniphier: add reset controller driver for UniPhier SoCs

This is the initial commit for UniPhier reset controller driver.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

5 files changed, 545 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
new file mode 100644
index 000000000000..e6bbfccd56c3
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
@@ -0,0 +1,93 @@
+UniPhier reset controller
+
+
+System reset
+------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-sld3-reset" - for PH1-sLD3 SoC.
+    "socionext,uniphier-ld4-reset"  - for PH1-LD4 SoC.
+    "socionext,uniphier-pro4-reset" - for PH1-Pro4 SoC.
+    "socionext,uniphier-sld8-reset" - for PH1-sLD8 SoC.
+    "socionext,uniphier-pro5-reset" - for PH1-Pro5 SoC.
+    "socionext,uniphier-pxs2-reset" - for ProXstream2/PH1-LD6b SoC.
+    "socionext,uniphier-ld11-reset" - for PH1-LD11 SoC.
+    "socionext,uniphier-ld20-reset" - for PH1-LD20 SoC.
+- #reset-cells: should be 1.
+
+Example:
+
+        sysctrl@61840000 {
+                compatible = "socionext,uniphier-ld20-sysctrl",
+                             "simple-mfd", "syscon";
+                reg = <0x61840000 0x4000>;
+
+                reset {
+                        compatible = "socionext,uniphier-ld20-reset";
+                        #reset-cells = <1>;
+                };
+
+                other nodes ...
+        };
+
+
+Media I/O (MIO) reset
+---------------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-sld3-mio-reset" - for PH1-sLD3 SoC.
+    "socionext,uniphier-ld4-mio-reset"  - for PH1-LD4 SoC.
+    "socionext,uniphier-pro4-mio-reset" - for PH1-Pro4 SoC.
+    "socionext,uniphier-sld8-mio-reset" - for PH1-sLD8 SoC.
+    "socionext,uniphier-pro5-mio-reset" - for PH1-Pro5 SoC.
+    "socionext,uniphier-pxs2-mio-reset" - for ProXstream2/PH1-LD6b SoC.
+    "socionext,uniphier-ld11-mio-reset" - for PH1-LD11 SoC.
+    "socionext,uniphier-ld20-mio-reset" - for PH1-LD20 SoC.
+- #reset-cells: should be 1.
+
+Example:
+
+        mioctrl@59810000 {
+                compatible = "socionext,uniphier-ld20-mioctrl",
+                             "simple-mfd", "syscon";
+                reg = <0x59810000 0x800>;
+
+                reset {
+                        compatible = "socionext,uniphier-ld20-mio-reset";
+                        #reset-cells = <1>;
+                };
+
+                other nodes ...
+        };
+
+
+Peripheral reset
+----------------
+
+Required properties:
+- compatible: should be one of the following:
+    "socionext,uniphier-ld4-peri-reset"  - for PH1-LD4 SoC.
+    "socionext,uniphier-pro4-peri-reset" - for PH1-Pro4 SoC.
+    "socionext,uniphier-sld8-peri-reset" - for PH1-sLD8 SoC.
+    "socionext,uniphier-pro5-peri-reset" - for PH1-Pro5 SoC.
+    "socionext,uniphier-pxs2-peri-reset" - for ProXstream2/PH1-LD6b SoC.
+    "socionext,uniphier-ld11-peri-reset" - for PH1-LD11 SoC.
+    "socionext,uniphier-ld20-peri-reset" - for PH1-LD20 SoC.
+- #reset-cells: should be 1.
+
+Example:
+
+        perictrl@59820000 {
+                compatible = "socionext,uniphier-ld20-perictrl",
+                             "simple-mfd", "syscon";
+                reg = <0x59820000 0x200>;
+
+                reset {
+                        compatible = "socionext,uniphier-ld20-peri-reset";
+                        #reset-cells = <1>;
+                };
+
+                other nodes ...
+        };
diff --git a/MAINTAINERS b/MAINTAINERS
index 20bb1d00098c..fde95b8f37db 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1830,6 +1830,7 @@ F:	arch/arm64/boot/dts/socionext/
 F:      drivers/bus/uniphier-system-bus.c
 F:      drivers/i2c/busses/i2c-uniphier*
 F:      drivers/pinctrl/uniphier/
+F:      drivers/reset/reset-uniphier.c
 F:      drivers/tty/serial/8250/8250_uniphier.c
 N:      uniphier
 
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 4be1b8c21f6f..7dfe8d84d6bb 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -27,6 +27,16 @@ config TI_SYSCON_RESET
           you wish to use the reset framework for such memory-mapped devices,
           say Y here. Otherwise, say N.
 
+config RESET_UNIPHIER
+        tristate "Reset controller driver for UniPhier SoCs"
+        depends on ARCH_UNIPHIER || COMPILE_TEST
+        depends on OF && MFD_SYSCON
+        default ARCH_UNIPHIER
+        help
+          Support for reset controllers on UniPhier SoCs.
+          Say Y if you want to control reset signals provided by System Control
+          block, Media I/O block, Peripheral Block.
+
 source "drivers/reset/sti/Kconfig"
 source "drivers/reset/hisilicon/Kconfig"
 
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index 64ebb0c4615c..9b45dcfa2a5f 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_ARCH_ZYNQ) += reset-zynq.o
 obj-$(CONFIG_ATH79) += reset-ath79.o
 obj-$(CONFIG_RESET_OXNAS) += reset-oxnas.o
 obj-$(CONFIG_TI_SYSCON_RESET) += reset-ti-syscon.o
+obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o
diff --git a/drivers/reset/reset-uniphier.c b/drivers/reset/reset-uniphier.c
new file mode 100644
index 000000000000..8b2558e7363e
--- /dev/null
+++ b/drivers/reset/reset-uniphier.c
@@ -0,0 +1,440 @@
+/*
+ * 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/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/reset-controller.h>
+
+struct uniphier_reset_data {
+        unsigned int id;
+        unsigned int reg;
+        unsigned int bit;
+        unsigned int flags;
+#define UNIPHIER_RESET_ACTIVE_LOW               BIT(0)
+};
+
+#define UNIPHIER_RESET_ID_END           (unsigned int)(-1)
+
+#define UNIPHIER_RESET_END                              \
+        { .id = UNIPHIER_RESET_ID_END }
+
+#define UNIPHIER_RESET(_id, _reg, _bit)                 \
+        {                                               \
+                .id = (_id),                            \
+                .reg = (_reg),                          \
+                .bit = (_bit),                          \
+        }
+
+#define UNIPHIER_RESETX(_id, _reg, _bit)                \
+        {                                               \
+                .id = (_id),                            \
+                .reg = (_reg),                          \
+                .bit = (_bit),                          \
+                .flags = UNIPHIER_RESET_ACTIVE_LOW,     \
+        }
+
+/* System reset data */
+#define UNIPHIER_SLD3_SYS_RESET_STDMAC(id)              \
+        UNIPHIER_RESETX((id), 0x2000, 10)
+
+#define UNIPHIER_LD11_SYS_RESET_STDMAC(id)              \
+        UNIPHIER_RESETX((id), 0x200c, 8)
+
+#define UNIPHIER_PRO4_SYS_RESET_GIO(id)                 \
+        UNIPHIER_RESETX((id), 0x2000, 6)
+
+#define UNIPHIER_LD20_SYS_RESET_GIO(id)                 \
+        UNIPHIER_RESETX((id), 0x200c, 5)
+
+#define UNIPHIER_PRO4_SYS_RESET_USB3(id, ch)            \
+        UNIPHIER_RESETX((id), 0x2000 + 0x4 * (ch), 17)
+
+const struct uniphier_reset_data uniphier_sld3_sys_reset_data[] = {
+        UNIPHIER_SLD3_SYS_RESET_STDMAC(8),      /* Ether, HSC, MIO */
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_pro4_sys_reset_data[] = {
+        UNIPHIER_SLD3_SYS_RESET_STDMAC(8),      /* HSC, MIO, RLE */
+        UNIPHIER_PRO4_SYS_RESET_GIO(12),        /* Ether, SATA, USB3 */
+        UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
+        UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_pro5_sys_reset_data[] = {
+        UNIPHIER_SLD3_SYS_RESET_STDMAC(8),      /* HSC */
+        UNIPHIER_PRO4_SYS_RESET_GIO(12),        /* PCIe, USB3 */
+        UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
+        UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_pxs2_sys_reset_data[] = {
+        UNIPHIER_SLD3_SYS_RESET_STDMAC(8),      /* HSC, RLE */
+        UNIPHIER_PRO4_SYS_RESET_USB3(14, 0),
+        UNIPHIER_PRO4_SYS_RESET_USB3(15, 1),
+        UNIPHIER_RESETX(16, 0x2014, 4),         /* USB30-PHY0 */
+        UNIPHIER_RESETX(17, 0x2014, 0),         /* USB30-PHY1 */
+        UNIPHIER_RESETX(18, 0x2014, 2),         /* USB30-PHY2 */
+        UNIPHIER_RESETX(20, 0x2014, 5),         /* USB31-PHY0 */
+        UNIPHIER_RESETX(21, 0x2014, 1),         /* USB31-PHY1 */
+        UNIPHIER_RESETX(28, 0x2014, 12),        /* SATA */
+        UNIPHIER_RESET(29, 0x2014, 8),          /* SATA-PHY (active high) */
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_ld11_sys_reset_data[] = {
+        UNIPHIER_LD11_SYS_RESET_STDMAC(8),      /* HSC, MIO */
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_ld20_sys_reset_data[] = {
+        UNIPHIER_LD11_SYS_RESET_STDMAC(8),      /* HSC */
+        UNIPHIER_LD20_SYS_RESET_GIO(12),        /* PCIe, USB3 */
+        UNIPHIER_RESETX(16, 0x200c, 12),        /* USB30-PHY0 */
+        UNIPHIER_RESETX(17, 0x200c, 13),        /* USB30-PHY1 */
+        UNIPHIER_RESETX(18, 0x200c, 14),        /* USB30-PHY2 */
+        UNIPHIER_RESETX(19, 0x200c, 15),        /* USB30-PHY3 */
+        UNIPHIER_RESET_END,
+};
+
+/* Media I/O reset data */
+#define UNIPHIER_MIO_RESET_SD(id, ch)                   \
+        UNIPHIER_RESETX((id), 0x110 + 0x200 * (ch), 0)
+
+#define UNIPHIER_MIO_RESET_SD_BRIDGE(id, ch)            \
+        UNIPHIER_RESETX((id), 0x110 + 0x200 * (ch), 26)
+
+#define UNIPHIER_MIO_RESET_EMMC_HW_RESET(id, ch)        \
+        UNIPHIER_RESETX((id), 0x80 + 0x200 * (ch), 0)
+
+#define UNIPHIER_MIO_RESET_USB2(id, ch)                 \
+        UNIPHIER_RESETX((id), 0x114 + 0x200 * (ch), 0)
+
+#define UNIPHIER_MIO_RESET_USB2_BRIDGE(id, ch)          \
+        UNIPHIER_RESETX((id), 0x110 + 0x200 * (ch), 24)
+
+#define UNIPHIER_MIO_RESET_DMAC(id)                     \
+        UNIPHIER_RESETX((id), 0x110, 17)
+
+const struct uniphier_reset_data uniphier_sld3_mio_reset_data[] = {
+        UNIPHIER_MIO_RESET_SD(0, 0),
+        UNIPHIER_MIO_RESET_SD(1, 1),
+        UNIPHIER_MIO_RESET_SD(2, 2),
+        UNIPHIER_MIO_RESET_SD_BRIDGE(3, 0),
+        UNIPHIER_MIO_RESET_SD_BRIDGE(4, 1),
+        UNIPHIER_MIO_RESET_SD_BRIDGE(5, 2),
+        UNIPHIER_MIO_RESET_EMMC_HW_RESET(6, 1),
+        UNIPHIER_MIO_RESET_DMAC(7),
+        UNIPHIER_MIO_RESET_USB2(8, 0),
+        UNIPHIER_MIO_RESET_USB2(9, 1),
+        UNIPHIER_MIO_RESET_USB2(10, 2),
+        UNIPHIER_MIO_RESET_USB2(11, 3),
+        UNIPHIER_MIO_RESET_USB2_BRIDGE(12, 0),
+        UNIPHIER_MIO_RESET_USB2_BRIDGE(13, 1),
+        UNIPHIER_MIO_RESET_USB2_BRIDGE(14, 2),
+        UNIPHIER_MIO_RESET_USB2_BRIDGE(15, 3),
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_pro5_mio_reset_data[] = {
+        UNIPHIER_MIO_RESET_SD(0, 0),
+        UNIPHIER_MIO_RESET_SD(1, 1),
+        UNIPHIER_MIO_RESET_EMMC_HW_RESET(6, 1),
+        UNIPHIER_RESET_END,
+};
+
+/* Peripheral reset data */
+#define UNIPHIER_PERI_RESET_UART(id, ch)                \
+        UNIPHIER_RESETX((id), 0x114, 19 + (ch))
+
+#define UNIPHIER_PERI_RESET_I2C(id, ch)                 \
+        UNIPHIER_RESETX((id), 0x114, 5 + (ch))
+
+#define UNIPHIER_PERI_RESET_FI2C(id, ch)                \
+        UNIPHIER_RESETX((id), 0x114, 24 + (ch))
+
+const struct uniphier_reset_data uniphier_ld4_peri_reset_data[] = {
+        UNIPHIER_PERI_RESET_UART(0, 0),
+        UNIPHIER_PERI_RESET_UART(1, 1),
+        UNIPHIER_PERI_RESET_UART(2, 2),
+        UNIPHIER_PERI_RESET_UART(3, 3),
+        UNIPHIER_PERI_RESET_I2C(4, 0),
+        UNIPHIER_PERI_RESET_I2C(5, 1),
+        UNIPHIER_PERI_RESET_I2C(6, 2),
+        UNIPHIER_PERI_RESET_I2C(7, 3),
+        UNIPHIER_PERI_RESET_I2C(8, 4),
+        UNIPHIER_RESET_END,
+};
+
+const struct uniphier_reset_data uniphier_pro4_peri_reset_data[] = {
+        UNIPHIER_PERI_RESET_UART(0, 0),
+        UNIPHIER_PERI_RESET_UART(1, 1),
+        UNIPHIER_PERI_RESET_UART(2, 2),
+        UNIPHIER_PERI_RESET_UART(3, 3),
+        UNIPHIER_PERI_RESET_FI2C(4, 0),
+        UNIPHIER_PERI_RESET_FI2C(5, 1),
+        UNIPHIER_PERI_RESET_FI2C(6, 2),
+        UNIPHIER_PERI_RESET_FI2C(7, 3),
+        UNIPHIER_PERI_RESET_FI2C(8, 4),
+        UNIPHIER_PERI_RESET_FI2C(9, 5),
+        UNIPHIER_PERI_RESET_FI2C(10, 6),
+        UNIPHIER_RESET_END,
+};
+
+/* core implementaton */
+struct uniphier_reset_priv {
+        struct reset_controller_dev rcdev;
+        struct device *dev;
+        struct regmap *regmap;
+        const struct uniphier_reset_data *data;
+};
+
+#define to_uniphier_reset_priv(_rcdev) \
+                        container_of(_rcdev, struct uniphier_reset_priv, rcdev)
+
+static int uniphier_reset_update(struct reset_controller_dev *rcdev,
+                                 unsigned long id, int assert)
+{
+        struct uniphier_reset_priv *priv = to_uniphier_reset_priv(rcdev);
+        const struct uniphier_reset_data *p;
+
+        for (p = priv->data; p->id != UNIPHIER_RESET_ID_END; p++) {
+                unsigned int mask, val;
+
+                if (p->id != id)
+                        continue;
+
+                mask = BIT(p->bit);
+
+                if (assert)
+                        val = mask;
+                else
+                        val = ~mask;
+
+                if (p->flags & UNIPHIER_RESET_ACTIVE_LOW)
+                        val = ~val;
+
+                return regmap_write_bits(priv->regmap, p->reg, mask, val);
+        }
+
+        dev_err(priv->dev, "reset_id=%lu was not handled\n", id);
+        return -EINVAL;
+}
+
+static int uniphier_reset_assert(struct reset_controller_dev *rcdev,
+                                 unsigned long id)
+{
+        return uniphier_reset_update(rcdev, id, 1);
+}
+
+static int uniphier_reset_deassert(struct reset_controller_dev *rcdev,
+                                   unsigned long id)
+{
+        return uniphier_reset_update(rcdev, id, 0);
+}
+
+static int uniphier_reset_status(struct reset_controller_dev *rcdev,
+                                 unsigned long id)
+{
+        struct uniphier_reset_priv *priv = to_uniphier_reset_priv(rcdev);
+        const struct uniphier_reset_data *p;
+
+        for (p = priv->data; p->id != UNIPHIER_RESET_ID_END; p++) {
+                unsigned int val;
+                int ret, asserted;
+
+                if (p->id != id)
+                        continue;
+
+                ret = regmap_read(priv->regmap, p->reg, &val);
+                if (ret)
+                        return ret;
+
+                asserted = !!(val & BIT(p->bit));
+
+                if (p->flags & UNIPHIER_RESET_ACTIVE_LOW)
+                        asserted = !asserted;
+
+                return asserted;
+        }
+
+        dev_err(priv->dev, "reset_id=%lu was not found\n", id);
+        return -EINVAL;
+}
+
+static const struct reset_control_ops uniphier_reset_ops = {
+        .assert = uniphier_reset_assert,
+        .deassert = uniphier_reset_deassert,
+        .status = uniphier_reset_status,
+};
+
+static int uniphier_reset_probe(struct platform_device *pdev)
+{
+        struct device *dev = &pdev->dev;
+        struct uniphier_reset_priv *priv;
+        const struct uniphier_reset_data *p, *data;
+        struct regmap *regmap;
+        struct device_node *parent;
+        unsigned int nr_resets = 0;
+
+        data = of_device_get_match_data(dev);
+        if (WARN_ON(!data))
+                return -EINVAL;
+
+        parent = of_get_parent(dev->of_node); /* parent should be syscon node */
+        regmap = syscon_node_to_regmap(parent);
+        of_node_put(parent);
+        if (IS_ERR(regmap)) {
+                dev_err(dev, "failed to get regmap (error %ld)\n",
+                        PTR_ERR(regmap));
+                return PTR_ERR(regmap);
+        }
+
+        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+        if (!priv)
+                return -ENOMEM;
+
+        for (p = data; p->id != UNIPHIER_RESET_ID_END; p++)
+                nr_resets = max(nr_resets, p->id + 1);
+
+        priv->rcdev.ops = &uniphier_reset_ops;
+        priv->rcdev.owner = dev->driver->owner;
+        priv->rcdev.of_node = dev->of_node;
+        priv->rcdev.nr_resets = nr_resets;
+        priv->dev = dev;
+        priv->regmap = regmap;
+        priv->data = data;
+
+        return devm_reset_controller_register(&pdev->dev, &priv->rcdev);
+}
+
+static const struct of_device_id uniphier_reset_match[] = {
+        /* System reset */
+        {
+                .compatible = "socionext,uniphier-sld3-reset",
+                .data = uniphier_sld3_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld4-reset",
+                .data = uniphier_sld3_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro4-reset",
+                .data = uniphier_pro4_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-sld8-reset",
+                .data = uniphier_sld3_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro5-reset",
+                .data = uniphier_pro5_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pxs2-reset",
+                .data = uniphier_pxs2_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld11-reset",
+                .data = uniphier_ld11_sys_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld20-reset",
+                .data = uniphier_ld20_sys_reset_data,
+        },
+        /* Media I/O reset */
+        {
+                .compatible = "socionext,uniphier-sld3-mio-reset",
+                .data = uniphier_sld3_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld4-mio-reset",
+                .data = uniphier_sld3_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro4-mio-reset",
+                .data = uniphier_sld3_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-sld8-mio-reset",
+                .data = uniphier_sld3_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro5-mio-reset",
+                .data = uniphier_pro5_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pxs2-mio-reset",
+                .data = uniphier_pro5_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld11-mio-reset",
+                .data = uniphier_sld3_mio_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld20-mio-reset",
+                .data = uniphier_pro5_mio_reset_data,
+        },
+        /* Peripheral reset */
+        {
+                .compatible = "socionext,uniphier-ld4-peri-reset",
+                .data = uniphier_ld4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro4-peri-reset",
+                .data = uniphier_pro4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-sld8-peri-reset",
+                .data = uniphier_ld4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pro5-peri-reset",
+                .data = uniphier_pro4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-pxs2-peri-reset",
+                .data = uniphier_pro4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld11-peri-reset",
+                .data = uniphier_pro4_peri_reset_data,
+        },
+        {
+                .compatible = "socionext,uniphier-ld20-peri-reset",
+                .data = uniphier_pro4_peri_reset_data,
+        },
+        { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, uniphier_reset_match);
+
+static struct platform_driver uniphier_reset_driver = {
+        .probe = uniphier_reset_probe,
+        .driver = {
+                .name = "uniphier-reset",
+                .of_match_table = uniphier_reset_match,
+        },
+};
+module_platform_driver(uniphier_reset_driver);
+
+MODULE_AUTHOR("Masahiro Yamada <yamada.masahiro@socionext.com>");
+MODULE_DESCRIPTION("UniPhier Reset Controller Driver");
+MODULE_LICENSE("GPL");