Merge branch 'next_ufs' of https://source.denx.de/u-boot/custodians/u-boot-sh into next
- UFS support and GPIO clock driver
diff --git a/configs/r8a779f0_spider_defconfig b/configs/r8a779f0_spider_defconfig
index 0edacc4..f250d1a 100644
--- a/configs/r8a779f0_spider_defconfig
+++ b/configs/r8a779f0_spider_defconfig
@@ -31,7 +31,9 @@
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
CONFIG_CMD_SPI=y
+CONFIG_CMD_UFS=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
@@ -46,9 +48,13 @@
CONFIG_VERSION_VARIABLE=y
CONFIG_REGMAP=y
CONFIG_SYSCON=y
+CONFIG_LBA48=y
+CONFIG_SYS_64BIT_LBA=y
CONFIG_CLK=y
+CONFIG_CLK_GPIO=y
CONFIG_CLK_RENESAS=y
CONFIG_RCAR_GPIO=y
+CONFIG_DM_PCA953X=y
CONFIG_DM_I2C=y
CONFIG_SYS_I2C_RCAR_I2C=y
CONFIG_MMC_IO_VOLTAGE=y
@@ -67,8 +73,13 @@
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SCSI=y
+CONFIG_DM_SCSI=y
CONFIG_BAUDRATE=1843200
CONFIG_SCIF_CONSOLE=y
CONFIG_SPI=y
CONFIG_DM_SPI=y
CONFIG_RENESAS_RPC_SPI=y
+CONFIG_UFS=y
+CONFIG_UFS_RENESAS=y
+CONFIG_FS_FAT_MAX_CLUSTSIZE=131072
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 29859cd..bfd23a9 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -83,6 +83,19 @@
Enable this option if you want to (re-)use the Linux kernel's Common
Clock Framework [CCF] composite code in U-Boot's clock driver.
+config CLK_GPIO
+ bool "GPIO-controlled clock gate driver"
+ depends on CLK
+ help
+ Enable this option to add GPIO-controlled clock gate driver.
+
+config SPL_CLK_GPIO
+ bool "GPIO-controlled clock gate driver in SPL"
+ depends on SPL_CLK
+ help
+ Enable this option to add GPIO-controlled clock gate driver
+ in U-Boot SPL.
+
config CLK_BCM6345
bool "Clock controller driver for BCM6345"
depends on CLK && ARCH_BMIPS
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index e22c8cf..26bf429 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -10,6 +10,7 @@
obj-$(CONFIG_$(SPL_TPL_)CLK_CCF) += clk.o clk-divider.o clk-mux.o clk-gate.o
obj-$(CONFIG_$(SPL_TPL_)CLK_CCF) += clk-fixed-factor.o
obj-$(CONFIG_$(SPL_TPL_)CLK_COMPOSITE_CCF) += clk-composite.o
+obj-$(CONFIG_$(SPL_TPL_)CLK_GPIO) += clk-gpio.o
obj-y += analogbits/
obj-y += imx/
diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
new file mode 100644
index 0000000..26d795b
--- /dev/null
+++ b/drivers/clk/clk-gpio.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Marek Vasut <marek.vasut+renesas@mailbox.org>
+ */
+
+#include <asm/gpio.h>
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+
+struct clk_gpio_priv {
+ struct gpio_desc enable;
+};
+
+static int clk_gpio_enable(struct clk *clk)
+{
+ struct clk_gpio_priv *priv = dev_get_priv(clk->dev);
+
+ dm_gpio_set_value(&priv->enable, 1);
+
+ return 0;
+}
+
+static int clk_gpio_disable(struct clk *clk)
+{
+ struct clk_gpio_priv *priv = dev_get_priv(clk->dev);
+
+ dm_gpio_set_value(&priv->enable, 0);
+
+ return 0;
+}
+
+const struct clk_ops clk_gpio_ops = {
+ .enable = clk_gpio_enable,
+ .disable = clk_gpio_disable,
+};
+
+static int clk_gpio_probe(struct udevice *dev)
+{
+ struct clk_gpio_priv *priv = dev_get_priv(dev);
+
+ return gpio_request_by_name(dev, "enable-gpios", 0,
+ &priv->enable, GPIOD_IS_OUT);
+}
+
+/*
+ * When implementing clk-mux-clock, use gpio_request_list_by_name
+ * and implement get_rate/set_rate/set_parent ops. This should be
+ * in a separate driver and with separate Kconfig option to enable
+ * that driver, since unlike Linux implementation, the U-Boot DM
+ * integration would be orthogonal to this driver.
+ */
+static const struct udevice_id clk_gpio_match[] = {
+ { .compatible = "gpio-gate-clock" },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(gpio_gate_clock) = {
+ .name = "gpio_clock",
+ .id = UCLASS_CLK,
+ .of_match = clk_gpio_match,
+ .probe = clk_gpio_probe,
+ .priv_auto = sizeof(struct clk_gpio_priv),
+ .ops = &clk_gpio_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/drivers/ufs/Kconfig b/drivers/ufs/Kconfig
index 69ea18e..0e0cc58 100644
--- a/drivers/ufs/Kconfig
+++ b/drivers/ufs/Kconfig
@@ -21,4 +21,13 @@
This selects the glue layer driver for Cadence controller
present on TI's J721E devices.
+config UFS_RENESAS
+ bool "Renesas specific hooks to UFS controller platform driver"
+ depends on UFS
+ select BOUNCE_BUFFER
+ help
+ This selects the Renesas specific additions to UFSHCD platform driver.
+ UFS host on Renesas needs some vendor specific configuration before
+ accessing the hardware.
+
endmenu
diff --git a/drivers/ufs/Makefile b/drivers/ufs/Makefile
index 62ed016..4f3344f 100644
--- a/drivers/ufs/Makefile
+++ b/drivers/ufs/Makefile
@@ -6,3 +6,4 @@
obj-$(CONFIG_UFS) += ufs.o ufs-uclass.o
obj-$(CONFIG_CADENCE_UFS) += cdns-platform.o
obj-$(CONFIG_TI_J721E_UFS) += ti-j721e-ufs.o
+obj-$(CONFIG_UFS_RENESAS) += ufs-renesas.o
diff --git a/drivers/ufs/ufs-renesas.c b/drivers/ufs/ufs-renesas.c
new file mode 100644
index 0000000..ae05bdc
--- /dev/null
+++ b/drivers/ufs/ufs-renesas.c
@@ -0,0 +1,412 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Renesas UFS host controller driver
+ *
+ * Copyright (C) 2022 Renesas Electronics Corporation
+ */
+
+#include <clk.h>
+#include <dm.h>
+#include <ufs.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/bug.h>
+#include <linux/iopoll.h>
+
+#include "ufs.h"
+
+struct ufs_renesas_priv {
+ struct clk_bulk clks;
+ bool initialized; /* The hardware needs initialization once */
+};
+
+enum {
+ SET_PHY_INDEX_LO = 0,
+ SET_PHY_INDEX_HI,
+ TIMER_INDEX,
+ MAX_INDEX
+};
+
+enum ufs_renesas_init_param_mode {
+ MODE_RESTORE,
+ MODE_SET,
+ MODE_SAVE,
+ MODE_POLL,
+ MODE_WAIT,
+ MODE_WRITE,
+};
+
+#define PARAM_RESTORE(_reg, _index) \
+ { .mode = MODE_RESTORE, .reg = _reg, .index = _index }
+#define PARAM_SET(_index, _set) \
+ { .mode = MODE_SET, .index = _index, .u.set = _set }
+#define PARAM_SAVE(_reg, _mask, _index) \
+ { .mode = MODE_SAVE, .reg = _reg, .mask = (u32)(_mask), \
+ .index = _index }
+#define PARAM_POLL(_reg, _expected, _mask) \
+ { .mode = MODE_POLL, .reg = _reg, .u.expected = _expected, \
+ .mask = (u32)(_mask) }
+#define PARAM_WAIT(_delay_us) \
+ { .mode = MODE_WAIT, .u.delay_us = _delay_us }
+
+#define PARAM_WRITE(_reg, _val) \
+ { .mode = MODE_WRITE, .reg = _reg, .u.val = _val }
+
+#define PARAM_WRITE_D0_D4(_d0, _d4) \
+ PARAM_WRITE(0xd0, _d0), PARAM_WRITE(0xd4, _d4)
+
+#define PARAM_WRITE_800_80C_POLL(_addr, _data_800) \
+ PARAM_WRITE_D0_D4(0x0000080c, 0x00000100), \
+ PARAM_WRITE_D0_D4(0x00000800, ((_data_800) << 16) | BIT(8) | (_addr)), \
+ PARAM_WRITE(0xd0, 0x0000080c), \
+ PARAM_POLL(0xd4, BIT(8), BIT(8))
+
+#define PARAM_RESTORE_800_80C_POLL(_index) \
+ PARAM_WRITE_D0_D4(0x0000080c, 0x00000100), \
+ PARAM_WRITE(0xd0, 0x00000800), \
+ PARAM_RESTORE(0xd4, (_index)), \
+ PARAM_WRITE(0xd0, 0x0000080c), \
+ PARAM_POLL(0xd4, BIT(8), BIT(8))
+
+#define PARAM_WRITE_804_80C_POLL(_addr, _data_804) \
+ PARAM_WRITE_D0_D4(0x0000080c, 0x00000100), \
+ PARAM_WRITE_D0_D4(0x00000804, ((_data_804) << 16) | BIT(8) | (_addr)), \
+ PARAM_WRITE(0xd0, 0x0000080c), \
+ PARAM_POLL(0xd4, BIT(8), BIT(8))
+
+#define PARAM_WRITE_828_82C_POLL(_data_828) \
+ PARAM_WRITE_D0_D4(0x0000082c, 0x0f000000), \
+ PARAM_WRITE_D0_D4(0x00000828, _data_828), \
+ PARAM_WRITE(0xd0, 0x0000082c), \
+ PARAM_POLL(0xd4, _data_828, _data_828)
+
+#define PARAM_WRITE_PHY(_addr16, _data16) \
+ PARAM_WRITE(0xf0, 1), \
+ PARAM_WRITE_800_80C_POLL(0x16, (_addr16) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x17, ((_addr16) >> 8) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x18, (_data16) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x19, ((_data16) >> 8) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x1c, 0x01), \
+ PARAM_WRITE_828_82C_POLL(0x0f000000), \
+ PARAM_WRITE(0xf0, 0)
+
+#define PARAM_SET_PHY(_addr16, _data16) \
+ PARAM_WRITE(0xf0, 1), \
+ PARAM_WRITE_800_80C_POLL(0x16, (_addr16) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x17, ((_addr16) >> 8) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x1c, 0x01), \
+ PARAM_WRITE_828_82C_POLL(0x0f000000), \
+ PARAM_WRITE_804_80C_POLL(0x1a, 0), \
+ PARAM_WRITE(0xd0, 0x00000808), \
+ PARAM_SAVE(0xd4, 0xff, SET_PHY_INDEX_LO), \
+ PARAM_WRITE_804_80C_POLL(0x1b, 0), \
+ PARAM_WRITE(0xd0, 0x00000808), \
+ PARAM_SAVE(0xd4, 0xff, SET_PHY_INDEX_HI), \
+ PARAM_WRITE_828_82C_POLL(0x0f000000), \
+ PARAM_WRITE(0xf0, 0), \
+ PARAM_WRITE(0xf0, 1), \
+ PARAM_WRITE_800_80C_POLL(0x16, (_addr16) & 0xff), \
+ PARAM_WRITE_800_80C_POLL(0x17, ((_addr16) >> 8) & 0xff), \
+ PARAM_SET(SET_PHY_INDEX_LO, (((_data16) & 0xff) << 16) | BIT(8) | 0x18), \
+ PARAM_RESTORE_800_80C_POLL(SET_PHY_INDEX_LO), \
+ PARAM_SET(SET_PHY_INDEX_HI, ((((_data16) >> 8) & 0xff) << 16) | BIT(8) | 0x19), \
+ PARAM_RESTORE_800_80C_POLL(SET_PHY_INDEX_HI), \
+ PARAM_WRITE_800_80C_POLL(0x1c, 0x01), \
+ PARAM_WRITE_828_82C_POLL(0x0f000000), \
+ PARAM_WRITE(0xf0, 0)
+
+#define PARAM_INDIRECT_WRITE(_gpio, _addr, _data_800) \
+ PARAM_WRITE(0xf0, _gpio), \
+ PARAM_WRITE_800_80C_POLL((_addr), _data_800), \
+ PARAM_WRITE_828_82C_POLL(0x0f000000), \
+ PARAM_WRITE(0xf0, 0)
+
+#define PARAM_INDIRECT_POLL(_gpio, _addr, _expected, _mask) \
+ PARAM_WRITE(0xf0, _gpio), \
+ PARAM_WRITE_800_80C_POLL((_addr), 0), \
+ PARAM_WRITE(0xd0, 0x00000808), \
+ PARAM_POLL(0xd4, (_expected), (_mask)), \
+ PARAM_WRITE(0xf0, 0)
+
+struct ufs_renesas_init_param {
+ enum ufs_renesas_init_param_mode mode;
+ u32 reg;
+ union {
+ u32 expected;
+ u32 delay_us;
+ u32 set;
+ u32 val;
+ } u;
+ u32 mask;
+ u32 index;
+};
+
+/* This setting is for SERIES B */
+static const struct ufs_renesas_init_param ufs_param[] = {
+ PARAM_WRITE(0xc0, 0x49425308),
+ PARAM_WRITE_D0_D4(0x00000104, 0x00000002),
+ PARAM_WAIT(1),
+ PARAM_WRITE_D0_D4(0x00000828, 0x00000200),
+ PARAM_WAIT(1),
+ PARAM_WRITE_D0_D4(0x00000828, 0x00000000),
+ PARAM_WRITE_D0_D4(0x00000104, 0x00000001),
+ PARAM_WRITE_D0_D4(0x00000940, 0x00000001),
+ PARAM_WAIT(1),
+ PARAM_WRITE_D0_D4(0x00000940, 0x00000000),
+
+ PARAM_WRITE(0xc0, 0x49425308),
+ PARAM_WRITE(0xc0, 0x41584901),
+
+ PARAM_WRITE_D0_D4(0x0000080c, 0x00000100),
+ PARAM_WRITE_D0_D4(0x00000804, 0x00000000),
+ PARAM_WRITE(0xd0, 0x0000080c),
+ PARAM_POLL(0xd4, BIT(8), BIT(8)),
+
+ PARAM_WRITE(REG_CONTROLLER_ENABLE, 0x00000001),
+
+ PARAM_WRITE(0xd0, 0x00000804),
+ PARAM_POLL(0xd4, BIT(8) | BIT(6) | BIT(0), BIT(8) | BIT(6) | BIT(0)),
+
+ PARAM_WRITE(0xd0, 0x00000d00),
+ PARAM_SAVE(0xd4, 0x0000ffff, TIMER_INDEX),
+ PARAM_WRITE(0xd4, 0x00000000),
+ PARAM_WRITE_D0_D4(0x0000082c, 0x0f000000),
+ PARAM_WRITE_D0_D4(0x00000828, 0x08000000),
+ PARAM_WRITE(0xd0, 0x0000082c),
+ PARAM_POLL(0xd4, BIT(27), BIT(27)),
+ PARAM_WRITE(0xd0, 0x00000d2c),
+ PARAM_POLL(0xd4, BIT(0), BIT(0)),
+
+ /* phy setup */
+ PARAM_INDIRECT_WRITE(1, 0x01, 0x001f),
+ PARAM_INDIRECT_WRITE(7, 0x5d, 0x0014),
+ PARAM_INDIRECT_WRITE(7, 0x5e, 0x0014),
+ PARAM_INDIRECT_WRITE(7, 0x0d, 0x0003),
+ PARAM_INDIRECT_WRITE(7, 0x0e, 0x0007),
+ PARAM_INDIRECT_WRITE(7, 0x5f, 0x0003),
+ PARAM_INDIRECT_WRITE(7, 0x60, 0x0003),
+ PARAM_INDIRECT_WRITE(7, 0x5b, 0x00a6),
+ PARAM_INDIRECT_WRITE(7, 0x5c, 0x0003),
+
+ PARAM_INDIRECT_POLL(7, 0x3c, 0, BIT(7)),
+ PARAM_INDIRECT_POLL(7, 0x4c, 0, BIT(4)),
+
+ PARAM_INDIRECT_WRITE(1, 0x32, 0x0080),
+ PARAM_INDIRECT_WRITE(1, 0x1f, 0x0001),
+ PARAM_INDIRECT_WRITE(0, 0x2c, 0x0001),
+ PARAM_INDIRECT_WRITE(0, 0x32, 0x0087),
+
+ PARAM_INDIRECT_WRITE(1, 0x4d, 0x0061),
+ PARAM_INDIRECT_WRITE(4, 0x9b, 0x0009),
+ PARAM_INDIRECT_WRITE(4, 0xa6, 0x0005),
+ PARAM_INDIRECT_WRITE(4, 0xa5, 0x0058),
+ PARAM_INDIRECT_WRITE(1, 0x39, 0x0027),
+ PARAM_INDIRECT_WRITE(1, 0x47, 0x004c),
+
+ PARAM_INDIRECT_WRITE(7, 0x0d, 0x0002),
+ PARAM_INDIRECT_WRITE(7, 0x0e, 0x0007),
+
+ PARAM_WRITE_PHY(0x0028, 0x0061),
+ PARAM_WRITE_PHY(0x4014, 0x0061),
+ PARAM_SET_PHY(0x401c, BIT(2)),
+ PARAM_WRITE_PHY(0x4000, 0x0000),
+ PARAM_WRITE_PHY(0x4001, 0x0000),
+
+ PARAM_WRITE_PHY(0x10ae, 0x0001),
+ PARAM_WRITE_PHY(0x10ad, 0x0000),
+ PARAM_WRITE_PHY(0x10af, 0x0001),
+ PARAM_WRITE_PHY(0x10b6, 0x0001),
+ PARAM_WRITE_PHY(0x10ae, 0x0000),
+
+ PARAM_WRITE_PHY(0x10ae, 0x0001),
+ PARAM_WRITE_PHY(0x10ad, 0x0000),
+ PARAM_WRITE_PHY(0x10af, 0x0002),
+ PARAM_WRITE_PHY(0x10b6, 0x0001),
+ PARAM_WRITE_PHY(0x10ae, 0x0000),
+
+ PARAM_WRITE_PHY(0x10ae, 0x0001),
+ PARAM_WRITE_PHY(0x10ad, 0x0080),
+ PARAM_WRITE_PHY(0x10af, 0x0000),
+ PARAM_WRITE_PHY(0x10b6, 0x0001),
+ PARAM_WRITE_PHY(0x10ae, 0x0000),
+
+ PARAM_WRITE_PHY(0x10ae, 0x0001),
+ PARAM_WRITE_PHY(0x10ad, 0x0080),
+ PARAM_WRITE_PHY(0x10af, 0x001a),
+ PARAM_WRITE_PHY(0x10b6, 0x0001),
+ PARAM_WRITE_PHY(0x10ae, 0x0000),
+
+ PARAM_INDIRECT_WRITE(7, 0x70, 0x0016),
+ PARAM_INDIRECT_WRITE(7, 0x71, 0x0016),
+ PARAM_INDIRECT_WRITE(7, 0x72, 0x0014),
+ PARAM_INDIRECT_WRITE(7, 0x73, 0x0014),
+ PARAM_INDIRECT_WRITE(7, 0x74, 0x0000),
+ PARAM_INDIRECT_WRITE(7, 0x75, 0x0000),
+ PARAM_INDIRECT_WRITE(7, 0x76, 0x0010),
+ PARAM_INDIRECT_WRITE(7, 0x77, 0x0010),
+ PARAM_INDIRECT_WRITE(7, 0x78, 0x00ff),
+ PARAM_INDIRECT_WRITE(7, 0x79, 0x0000),
+
+ PARAM_INDIRECT_WRITE(7, 0x19, 0x0007),
+
+ PARAM_INDIRECT_WRITE(7, 0x1a, 0x0007),
+
+ PARAM_INDIRECT_WRITE(7, 0x24, 0x000c),
+
+ PARAM_INDIRECT_WRITE(7, 0x25, 0x000c),
+
+ PARAM_INDIRECT_WRITE(7, 0x62, 0x0000),
+ PARAM_INDIRECT_WRITE(7, 0x63, 0x0000),
+ PARAM_INDIRECT_WRITE(7, 0x5d, 0x0014),
+ PARAM_INDIRECT_WRITE(7, 0x5e, 0x0017),
+ PARAM_INDIRECT_WRITE(7, 0x5d, 0x0004),
+ PARAM_INDIRECT_WRITE(7, 0x5e, 0x0017),
+ PARAM_INDIRECT_POLL(7, 0x55, 0, BIT(6)),
+ PARAM_INDIRECT_POLL(7, 0x41, 0, BIT(7)),
+ /* end of phy setup */
+
+ PARAM_WRITE(0xf0, 0),
+ PARAM_WRITE(0xd0, 0x00000d00),
+ PARAM_RESTORE(0xd4, TIMER_INDEX),
+};
+
+static void ufs_renesas_reg_control(struct ufs_hba *hba,
+ const struct ufs_renesas_init_param *p)
+{
+ static u32 save[MAX_INDEX];
+ int ret;
+ u32 val;
+
+ WARN_ON(p->index >= MAX_INDEX);
+
+ switch (p->mode) {
+ case MODE_RESTORE:
+ ufshcd_writel(hba, save[p->index], p->reg);
+ break;
+ case MODE_SET:
+ save[p->index] |= p->u.set;
+ break;
+ case MODE_SAVE:
+ save[p->index] = ufshcd_readl(hba, p->reg) & p->mask;
+ break;
+ case MODE_POLL:
+ ret = readl_poll_timeout(hba->mmio_base + p->reg, val,
+ (val & p->mask) == p->u.expected,
+ 10000);
+ if (ret)
+ dev_err(hba->dev, "%s: poll failed %d (%08x, %08x, %08x)\n",
+ __func__, ret, val, p->mask, p->u.expected);
+ break;
+ case MODE_WAIT:
+ if (p->u.delay_us > 1000)
+ mdelay(DIV_ROUND_UP(p->u.delay_us, 1000));
+ else
+ udelay(p->u.delay_us);
+ break;
+ case MODE_WRITE:
+ ufshcd_writel(hba, p->u.val, p->reg);
+ break;
+ default:
+ break;
+ }
+}
+
+static void ufs_renesas_pre_init(struct ufs_hba *hba)
+{
+ const struct ufs_renesas_init_param *p = ufs_param;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(ufs_param); i++)
+ ufs_renesas_reg_control(hba, &p[i]);
+}
+
+static int ufs_renesas_hce_enable_notify(struct ufs_hba *hba,
+ enum ufs_notify_change_status status)
+{
+ struct ufs_renesas_priv *priv = dev_get_priv(hba->dev);
+
+ if (priv->initialized)
+ return 0;
+
+ if (status == PRE_CHANGE)
+ ufs_renesas_pre_init(hba);
+
+ priv->initialized = true;
+
+ return 0;
+}
+
+static int ufs_renesas_init(struct ufs_hba *hba)
+{
+ hba->quirks |= UFSHCD_QUIRK_BROKEN_64BIT_ADDRESS | UFSHCD_QUIRK_HIBERN_FASTAUTO;
+
+ return 0;
+}
+
+static struct ufs_hba_ops ufs_renesas_vops = {
+ .init = ufs_renesas_init,
+ .hce_enable_notify = ufs_renesas_hce_enable_notify,
+};
+
+static int ufs_renesas_pltfm_bind(struct udevice *dev)
+{
+ struct udevice *scsi_dev;
+
+ return ufs_scsi_bind(dev, &scsi_dev);
+}
+
+static int ufs_renesas_pltfm_probe(struct udevice *dev)
+{
+ struct ufs_renesas_priv *priv = dev_get_priv(dev);
+ int err;
+
+ err = clk_get_bulk(dev, &priv->clks);
+ if (err < 0)
+ return err;
+
+ err = clk_enable_bulk(&priv->clks);
+ if (err)
+ goto err_clk_enable;
+
+ err = ufshcd_probe(dev, &ufs_renesas_vops);
+ if (err) {
+ dev_err(dev, "ufshcd_probe() failed %d\n", err);
+ goto err_ufshcd_probe;
+ }
+
+ return 0;
+
+err_ufshcd_probe:
+ clk_disable_bulk(&priv->clks);
+err_clk_enable:
+ clk_release_bulk(&priv->clks);
+ return err;
+}
+
+static int ufs_renesas_pltfm_remove(struct udevice *dev)
+{
+ struct ufs_renesas_priv *priv = dev_get_priv(dev);
+
+ clk_disable_bulk(&priv->clks);
+ clk_release_bulk(&priv->clks);
+
+ return 0;
+}
+
+static const struct udevice_id ufs_renesas_pltfm_ids[] = {
+ { .compatible = "renesas,r8a779f0-ufs" },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(ufs_renesas) = {
+ .name = "ufs-renesas",
+ .id = UCLASS_UFS,
+ .of_match = ufs_renesas_pltfm_ids,
+ .bind = ufs_renesas_pltfm_bind,
+ .probe = ufs_renesas_pltfm_probe,
+ .remove = ufs_renesas_pltfm_remove,
+ .priv_auto = sizeof(struct ufs_renesas_priv),
+};