diff --git a/Documentation/devicetree/bindings/media/stih-cec.txt b/Documentation/devicetree/bindings/media/stih-cec.txt
index 71c4b2f..1f7da58 100644
--- a/Documentation/devicetree/bindings/media/stih-cec.txt
+++ b/Documentation/devicetree/bindings/media/stih-cec.txt
@@ -9,6 +9,7 @@ Required properties:
  - pinctrl-names: Contains only one value - "default"
  - pinctrl-0: Specifies the pin control groups used for CEC hardware.
  - resets: Reference to a reset controller
+ - hdmi-handle: Phandle to the HDMI controller
 
 Example for STIH407:
 
@@ -22,4 +23,5 @@ sti-cec@094a087c {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_cec0_default>;
 	resets = <&softreset STIH407_LPM_SOFTRESET>;
+	hdmi-handle = <&hdmi>;
 };
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 9920726..46db8a3 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -422,6 +422,16 @@ config VIDEO_SAMSUNG_S5P_CEC
          CEC bus is present in the HDMI connector and enables communication
          between compatible devices.
 
+config VIDEO_STI_HDMI_CEC
+       tristate "STMicroelectronics STiH4xx HDMI CEC driver"
+       depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (ARCH_STI || COMPILE_TEST)
+       select HPD_NOTIFIER
+       ---help---
+         This is a driver for STIH4xx HDMI CEC interface. It uses the
+         generic CEC framework interface.
+         CEC bus is present in the HDMI connector and enables communication
+         between compatible devices.
+
 endif #V4L_CEC_DRIVERS
 
 menuconfig V4L_TEST_DRIVERS
diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile
index ad3bf22..01b689c 100644
--- a/drivers/media/platform/Makefile
+++ b/drivers/media/platform/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC)	+= exynos-gsc/
 obj-$(CONFIG_VIDEO_STI_BDISP)		+= sti/bdisp/
 obj-$(CONFIG_VIDEO_STI_HVA)		+= sti/hva/
 obj-$(CONFIG_DVB_C8SECTPFE)		+= sti/c8sectpfe/
+obj-$(CONFIG_VIDEO_STI_HDMI_CEC) 	+= sti/cec/
 
 obj-$(CONFIG_BLACKFIN)                  += blackfin/
 
diff --git a/drivers/media/platform/sti/cec/Makefile b/drivers/media/platform/sti/cec/Makefile
new file mode 100644
index 0000000..f07905e
--- /dev/null
+++ b/drivers/media/platform/sti/cec/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_VIDEO_STI_HDMI_CEC) += stih-cec.o
diff --git a/drivers/media/platform/sti/cec/stih-cec.c b/drivers/media/platform/sti/cec/stih-cec.c
new file mode 100644
index 0000000..4242dad
--- /dev/null
+++ b/drivers/media/platform/sti/cec/stih-cec.c
@@ -0,0 +1,404 @@
+/*
+ * STIH4xx CEC driver
+ * Copyright (C) STMicroelectronic SA 2016
+ *
+ * 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.
+ */
+#include <linux/clk.h>
+#include <linux/hpd-notifier.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+#include <media/cec.h>
+
+#define CEC_NAME	"stih-cec"
+
+/* CEC registers  */
+#define CEC_CLK_DIV           0x0
+#define CEC_CTRL              0x4
+#define CEC_IRQ_CTRL          0x8
+#define CEC_STATUS            0xC
+#define CEC_EXT_STATUS        0x10
+#define CEC_TX_CTRL           0x14
+#define CEC_FREE_TIME_THRESH  0x18
+#define CEC_BIT_TOUT_THRESH   0x1C
+#define CEC_BIT_PULSE_THRESH  0x20
+#define CEC_DATA              0x24
+#define CEC_TX_ARRAY_CTRL     0x28
+#define CEC_CTRL2             0x2C
+#define CEC_TX_ERROR_STS      0x30
+#define CEC_ADDR_TABLE        0x34
+#define CEC_DATA_ARRAY_CTRL   0x38
+#define CEC_DATA_ARRAY_STATUS 0x3C
+#define CEC_TX_DATA_BASE      0x40
+#define CEC_TX_DATA_TOP       0x50
+#define CEC_TX_DATA_SIZE      0x1
+#define CEC_RX_DATA_BASE      0x54
+#define CEC_RX_DATA_TOP       0x64
+#define CEC_RX_DATA_SIZE      0x1
+
+/* CEC_CTRL2 */
+#define CEC_LINE_INACTIVE_EN   BIT(0)
+#define CEC_AUTO_BUS_ERR_EN    BIT(1)
+#define CEC_STOP_ON_ARB_ERR_EN BIT(2)
+#define CEC_TX_REQ_WAIT_EN     BIT(3)
+
+/* CEC_DATA_ARRAY_CTRL */
+#define CEC_TX_ARRAY_EN          BIT(0)
+#define CEC_RX_ARRAY_EN          BIT(1)
+#define CEC_TX_ARRAY_RESET       BIT(2)
+#define CEC_RX_ARRAY_RESET       BIT(3)
+#define CEC_TX_N_OF_BYTES_IRQ_EN BIT(4)
+#define CEC_TX_STOP_ON_NACK      BIT(7)
+
+/* CEC_TX_ARRAY_CTRL */
+#define CEC_TX_N_OF_BYTES  0x1F
+#define CEC_TX_START       BIT(5)
+#define CEC_TX_AUTO_SOM_EN BIT(6)
+#define CEC_TX_AUTO_EOM_EN BIT(7)
+
+/* CEC_IRQ_CTRL */
+#define CEC_TX_DONE_IRQ_EN   BIT(0)
+#define CEC_ERROR_IRQ_EN     BIT(2)
+#define CEC_RX_DONE_IRQ_EN   BIT(3)
+#define CEC_RX_SOM_IRQ_EN    BIT(4)
+#define CEC_RX_EOM_IRQ_EN    BIT(5)
+#define CEC_FREE_TIME_IRQ_EN BIT(6)
+#define CEC_PIN_STS_IRQ_EN   BIT(7)
+
+/* CEC_CTRL */
+#define CEC_IN_FILTER_EN    BIT(0)
+#define CEC_PWR_SAVE_EN     BIT(1)
+#define CEC_EN              BIT(4)
+#define CEC_ACK_CTRL        BIT(5)
+#define CEC_RX_RESET_EN     BIT(6)
+#define CEC_IGNORE_RX_ERROR BIT(7)
+
+/* CEC_STATUS */
+#define CEC_TX_DONE_STS       BIT(0)
+#define CEC_TX_ACK_GET_STS    BIT(1)
+#define CEC_ERROR_STS         BIT(2)
+#define CEC_RX_DONE_STS       BIT(3)
+#define CEC_RX_SOM_STS        BIT(4)
+#define CEC_RX_EOM_STS        BIT(5)
+#define CEC_FREE_TIME_IRQ_STS BIT(6)
+#define CEC_PIN_STS           BIT(7)
+#define CEC_SBIT_TOUT_STS     BIT(8)
+#define CEC_DBIT_TOUT_STS     BIT(9)
+#define CEC_LPULSE_ERROR_STS  BIT(10)
+#define CEC_HPULSE_ERROR_STS  BIT(11)
+#define CEC_TX_ERROR          BIT(12)
+#define CEC_TX_ARB_ERROR      BIT(13)
+#define CEC_RX_ERROR_MIN      BIT(14)
+#define CEC_RX_ERROR_MAX      BIT(15)
+
+/* Signal free time in bit periods (2.4ms) */
+#define CEC_PRESENT_INIT_SFT 7
+#define CEC_NEW_INIT_SFT     5
+#define CEC_RETRANSMIT_SFT   3
+
+/* Constants for CEC_BIT_TOUT_THRESH register */
+#define CEC_SBIT_TOUT_47MS BIT(1)
+#define CEC_SBIT_TOUT_48MS (BIT(0) | BIT(1))
+#define CEC_SBIT_TOUT_50MS BIT(2)
+#define CEC_DBIT_TOUT_27MS BIT(0)
+#define CEC_DBIT_TOUT_28MS BIT(1)
+#define CEC_DBIT_TOUT_29MS (BIT(0) | BIT(1))
+
+/* Constants for CEC_BIT_PULSE_THRESH register */
+#define CEC_BIT_LPULSE_03MS BIT(1)
+#define CEC_BIT_HPULSE_03MS BIT(3)
+
+/* Constants for CEC_DATA_ARRAY_STATUS register */
+#define CEC_RX_N_OF_BYTES                     0x1F
+#define CEC_TX_N_OF_BYTES_SENT                BIT(5)
+#define CEC_RX_OVERRUN                        BIT(6)
+
+struct stih_cec {
+	struct cec_adapter	*adap;
+	struct device		*dev;
+	struct clk		*clk;
+	void __iomem		*regs;
+	int			irq;
+	u32			irq_status;
+	struct hpd_notifier	*notifier;
+};
+
+static int stih_cec_adap_enable(struct cec_adapter *adap, bool enable)
+{
+	struct stih_cec *cec = adap->priv;
+
+	if (enable) {
+		/* The doc says (input TCLK_PERIOD * CEC_CLK_DIV) = 0.1ms */
+		unsigned long clk_freq = clk_get_rate(cec->clk);
+		u32 cec_clk_div = clk_freq / 10000;
+
+		writel(cec_clk_div, cec->regs + CEC_CLK_DIV);
+
+		/* Configuration of the durations activating a timeout */
+		writel(CEC_SBIT_TOUT_47MS | (CEC_DBIT_TOUT_28MS << 4),
+		       cec->regs + CEC_BIT_TOUT_THRESH);
+
+		/* Configuration of the smallest allowed duration for pulses */
+		writel(CEC_BIT_LPULSE_03MS | CEC_BIT_HPULSE_03MS,
+		       cec->regs + CEC_BIT_PULSE_THRESH);
+
+		/* Minimum received bit period threshold */
+		writel(BIT(5) | BIT(7), cec->regs + CEC_TX_CTRL);
+
+		/* Configuration of transceiver data arrays */
+		writel(CEC_TX_ARRAY_EN | CEC_RX_ARRAY_EN | CEC_TX_STOP_ON_NACK,
+		       cec->regs + CEC_DATA_ARRAY_CTRL);
+
+		/* Configuration of the control bits for CEC Transceiver */
+		writel(CEC_IN_FILTER_EN | CEC_EN | CEC_RX_RESET_EN,
+		       cec->regs + CEC_CTRL);
+
+		/* Clear logical addresses */
+		writel(0, cec->regs + CEC_ADDR_TABLE);
+
+		/* Clear the status register */
+		writel(0x0, cec->regs + CEC_STATUS);
+
+		/* Enable the interrupts */
+		writel(CEC_TX_DONE_IRQ_EN | CEC_RX_DONE_IRQ_EN |
+		       CEC_RX_SOM_IRQ_EN | CEC_RX_EOM_IRQ_EN |
+		       CEC_ERROR_IRQ_EN,
+		       cec->regs + CEC_IRQ_CTRL);
+
+	} else {
+		/* Clear logical addresses */
+		writel(0, cec->regs + CEC_ADDR_TABLE);
+
+		/* Clear the status register */
+		writel(0x0, cec->regs + CEC_STATUS);
+
+		/* Disable the interrupts */
+		writel(0, cec->regs + CEC_IRQ_CTRL);
+	}
+
+	return 0;
+}
+
+static int stih_cec_adap_log_addr(struct cec_adapter *adap, u8 logical_addr)
+{
+	struct stih_cec *cec = adap->priv;
+	u32 reg = readl(cec->regs + CEC_ADDR_TABLE);
+
+	reg |= 1 << logical_addr;
+
+	if (logical_addr == CEC_LOG_ADDR_INVALID)
+		reg = 0;
+
+	writel(reg, cec->regs + CEC_ADDR_TABLE);
+
+	return 0;
+}
+
+static int stih_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
+				  u32 signal_free_time, struct cec_msg *msg)
+{
+	struct stih_cec *cec = adap->priv;
+	int i;
+
+	/* Copy message into registers */
+	for (i = 0; i < msg->len; i++)
+		writeb(msg->msg[i], cec->regs + CEC_TX_DATA_BASE + i);
+
+	/* Start transmission, configure hardware to add start and stop bits
+	 * Signal free time is handled by the hardware
+	 */
+	writel(CEC_TX_AUTO_SOM_EN | CEC_TX_AUTO_EOM_EN | CEC_TX_START |
+	       msg->len, cec->regs + CEC_TX_ARRAY_CTRL);
+
+	return 0;
+}
+
+static void stih_tx_done(struct stih_cec *cec, u32 status)
+{
+	if (status & CEC_TX_ERROR) {
+		cec_transmit_done(cec->adap, CEC_TX_STATUS_ERROR, 0, 0, 0, 1);
+		return;
+	}
+
+	if (status & CEC_TX_ARB_ERROR) {
+		cec_transmit_done(cec->adap,
+				  CEC_TX_STATUS_ARB_LOST, 1, 0, 0, 0);
+		return;
+	}
+
+	if (!(status & CEC_TX_ACK_GET_STS)) {
+		cec_transmit_done(cec->adap, CEC_TX_STATUS_NACK, 0, 1, 0, 0);
+		return;
+	}
+
+	cec_transmit_done(cec->adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);
+}
+
+static void stih_rx_done(struct stih_cec *cec, u32 status)
+{
+	struct cec_msg msg = {};
+	u8 i;
+
+	if (status & CEC_RX_ERROR_MIN)
+		return;
+
+	if (status & CEC_RX_ERROR_MAX)
+		return;
+
+	msg.len = readl(cec->regs + CEC_DATA_ARRAY_STATUS) & 0x1f;
+
+	if (!msg.len)
+		return;
+
+	if (msg.len > 16)
+		msg.len = 16;
+
+	for (i = 0; i < msg.len; i++)
+		msg.msg[i] = readl(cec->regs + CEC_RX_DATA_BASE + i);
+
+	cec_received_msg(cec->adap, &msg);
+}
+
+static irqreturn_t stih_cec_irq_handler_thread(int irq, void *priv)
+{
+	struct stih_cec *cec = priv;
+
+	if (cec->irq_status & CEC_TX_DONE_STS)
+		stih_tx_done(cec, cec->irq_status);
+
+	if (cec->irq_status & CEC_RX_DONE_STS)
+		stih_rx_done(cec, cec->irq_status);
+
+	cec->irq_status = 0;
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t stih_cec_irq_handler(int irq, void *priv)
+{
+	struct stih_cec *cec = priv;
+
+	cec->irq_status = readl(cec->regs + CEC_STATUS);
+	writel(cec->irq_status, cec->regs + CEC_STATUS);
+
+	return IRQ_WAKE_THREAD;
+}
+
+static const struct cec_adap_ops sti_cec_adap_ops = {
+	.adap_enable = stih_cec_adap_enable,
+	.adap_log_addr = stih_cec_adap_log_addr,
+	.adap_transmit = stih_cec_adap_transmit,
+};
+
+static int stih_cec_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct resource *res;
+	struct stih_cec *cec;
+	struct device_node *np;
+	struct platform_device *hdmi_dev;
+	int ret;
+
+	cec = devm_kzalloc(dev, sizeof(*cec), GFP_KERNEL);
+	if (!cec)
+		return -ENOMEM;
+
+	np = of_parse_phandle(pdev->dev.of_node, "hdmi-handle", 0);
+
+	if (!np) {
+		dev_err(&pdev->dev, "Failed to find hdmi node in device tree\n");
+		return -ENODEV;
+	}
+
+	hdmi_dev = of_find_device_by_node(np);
+	if (!hdmi_dev)
+		return -EPROBE_DEFER;
+
+	cec->notifier = hpd_notifier_get(&hdmi_dev->dev);
+	if (!cec->notifier)
+		return -ENOMEM;
+
+	cec->dev = dev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	cec->regs = devm_ioremap_resource(dev, res);
+	if (IS_ERR(cec->regs))
+		return PTR_ERR(cec->regs);
+
+	cec->irq = platform_get_irq(pdev, 0);
+	if (cec->irq < 0)
+		return cec->irq;
+
+	ret = devm_request_threaded_irq(dev, cec->irq, stih_cec_irq_handler,
+					stih_cec_irq_handler_thread, 0,
+					pdev->name, cec);
+	if (ret)
+		return ret;
+
+	cec->clk = devm_clk_get(dev, "cec-clk");
+	if (IS_ERR(cec->clk)) {
+		dev_err(dev, "Cannot get cec clock\n");
+		return PTR_ERR(cec->clk);
+	}
+
+	cec->adap = cec_allocate_adapter(&sti_cec_adap_ops, cec,
+			CEC_NAME,
+			CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH |
+			CEC_CAP_TRANSMIT, 1);
+	ret = PTR_ERR_OR_ZERO(cec->adap);
+	if (ret)
+		return ret;
+
+	ret = cec_register_adapter(cec->adap, &pdev->dev);
+	if (ret) {
+		cec_delete_adapter(cec->adap);
+		return ret;
+	}
+
+	cec_register_hpd_notifier(cec->adap, cec->notifier);
+
+	platform_set_drvdata(pdev, cec);
+	return 0;
+}
+
+static int stih_cec_remove(struct platform_device *pdev)
+{
+	struct stih_cec *cec = platform_get_drvdata(pdev);
+
+	cec_unregister_adapter(cec->adap);
+	hpd_notifier_put(cec->notifier);
+
+	return 0;
+}
+
+static const struct of_device_id stih_cec_match[] = {
+	{
+		.compatible	= "st,stih-cec",
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, stih_cec_match);
+
+static struct platform_driver stih_cec_pdrv = {
+	.probe	= stih_cec_probe,
+	.remove = stih_cec_remove,
+	.driver = {
+		.name		= CEC_NAME,
+		.of_match_table	= stih_cec_match,
+	},
+};
+
+module_platform_driver(stih_cec_pdrv);
+
+MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@linaro.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("STIH4xx CEC driver");
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index 1b7804c..d4f50f0 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -30,6 +30,4 @@ source "drivers/staging/media/omap4iss/Kconfig"
 # Keep LIRC at the end, as it has sub-menus
 source "drivers/staging/media/lirc/Kconfig"
 
-source "drivers/staging/media/st-cec/Kconfig"
-
 endif
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index e11afbf..4c9bb23 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -3,4 +3,3 @@ obj-$(CONFIG_DVB_CXD2099)	+= cxd2099/
 obj-$(CONFIG_LIRC_STAGING)	+= lirc/
 obj-$(CONFIG_VIDEO_DM365_VPFE)	+= davinci_vpfe/
 obj-$(CONFIG_VIDEO_OMAP4)	+= omap4iss/
-obj-$(CONFIG_VIDEO_STI_HDMI_CEC) += st-cec/
diff --git a/drivers/staging/media/st-cec/Kconfig b/drivers/staging/media/st-cec/Kconfig
deleted file mode 100644
index c04283d..0000000
--- a/drivers/staging/media/st-cec/Kconfig
+++ /dev/null
@@ -1,8 +0,0 @@
-config VIDEO_STI_HDMI_CEC
-       tristate "STMicroelectronics STiH4xx HDMI CEC driver"
-       depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (ARCH_STI || COMPILE_TEST)
-       ---help---
-         This is a driver for STIH4xx HDMI CEC interface. It uses the
-         generic CEC framework interface.
-         CEC bus is present in the HDMI connector and enables communication
-         between compatible devices.
diff --git a/drivers/staging/media/st-cec/Makefile b/drivers/staging/media/st-cec/Makefile
deleted file mode 100644
index f07905e..0000000
--- a/drivers/staging/media/st-cec/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_VIDEO_STI_HDMI_CEC) += stih-cec.o
diff --git a/drivers/staging/media/st-cec/TODO b/drivers/staging/media/st-cec/TODO
deleted file mode 100644
index c612897..0000000
--- a/drivers/staging/media/st-cec/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-This driver requires that userspace sets the physical address.
-However, this should be passed on from the corresponding
-ST HDMI driver.
-
-We have to wait until the HDMI notifier framework has been merged
-in order to handle this gracefully, until that time this driver
-has to remain in staging.
diff --git a/drivers/staging/media/st-cec/stih-cec.c b/drivers/staging/media/st-cec/stih-cec.c
deleted file mode 100644
index 3c25638..0000000
--- a/drivers/staging/media/st-cec/stih-cec.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * drivers/staging/media/st-cec/stih-cec.c
- *
- * STIH4xx CEC driver
- * Copyright (C) STMicroelectronic SA 2016
- *
- * 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.
- */
-#include <linux/clk.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-
-#include <media/cec.h>
-
-#define CEC_NAME	"stih-cec"
-
-/* CEC registers  */
-#define CEC_CLK_DIV           0x0
-#define CEC_CTRL              0x4
-#define CEC_IRQ_CTRL          0x8
-#define CEC_STATUS            0xC
-#define CEC_EXT_STATUS        0x10
-#define CEC_TX_CTRL           0x14
-#define CEC_FREE_TIME_THRESH  0x18
-#define CEC_BIT_TOUT_THRESH   0x1C
-#define CEC_BIT_PULSE_THRESH  0x20
-#define CEC_DATA              0x24
-#define CEC_TX_ARRAY_CTRL     0x28
-#define CEC_CTRL2             0x2C
-#define CEC_TX_ERROR_STS      0x30
-#define CEC_ADDR_TABLE        0x34
-#define CEC_DATA_ARRAY_CTRL   0x38
-#define CEC_DATA_ARRAY_STATUS 0x3C
-#define CEC_TX_DATA_BASE      0x40
-#define CEC_TX_DATA_TOP       0x50
-#define CEC_TX_DATA_SIZE      0x1
-#define CEC_RX_DATA_BASE      0x54
-#define CEC_RX_DATA_TOP       0x64
-#define CEC_RX_DATA_SIZE      0x1
-
-/* CEC_CTRL2 */
-#define CEC_LINE_INACTIVE_EN   BIT(0)
-#define CEC_AUTO_BUS_ERR_EN    BIT(1)
-#define CEC_STOP_ON_ARB_ERR_EN BIT(2)
-#define CEC_TX_REQ_WAIT_EN     BIT(3)
-
-/* CEC_DATA_ARRAY_CTRL */
-#define CEC_TX_ARRAY_EN          BIT(0)
-#define CEC_RX_ARRAY_EN          BIT(1)
-#define CEC_TX_ARRAY_RESET       BIT(2)
-#define CEC_RX_ARRAY_RESET       BIT(3)
-#define CEC_TX_N_OF_BYTES_IRQ_EN BIT(4)
-#define CEC_TX_STOP_ON_NACK      BIT(7)
-
-/* CEC_TX_ARRAY_CTRL */
-#define CEC_TX_N_OF_BYTES  0x1F
-#define CEC_TX_START       BIT(5)
-#define CEC_TX_AUTO_SOM_EN BIT(6)
-#define CEC_TX_AUTO_EOM_EN BIT(7)
-
-/* CEC_IRQ_CTRL */
-#define CEC_TX_DONE_IRQ_EN   BIT(0)
-#define CEC_ERROR_IRQ_EN     BIT(2)
-#define CEC_RX_DONE_IRQ_EN   BIT(3)
-#define CEC_RX_SOM_IRQ_EN    BIT(4)
-#define CEC_RX_EOM_IRQ_EN    BIT(5)
-#define CEC_FREE_TIME_IRQ_EN BIT(6)
-#define CEC_PIN_STS_IRQ_EN   BIT(7)
-
-/* CEC_CTRL */
-#define CEC_IN_FILTER_EN    BIT(0)
-#define CEC_PWR_SAVE_EN     BIT(1)
-#define CEC_EN              BIT(4)
-#define CEC_ACK_CTRL        BIT(5)
-#define CEC_RX_RESET_EN     BIT(6)
-#define CEC_IGNORE_RX_ERROR BIT(7)
-
-/* CEC_STATUS */
-#define CEC_TX_DONE_STS       BIT(0)
-#define CEC_TX_ACK_GET_STS    BIT(1)
-#define CEC_ERROR_STS         BIT(2)
-#define CEC_RX_DONE_STS       BIT(3)
-#define CEC_RX_SOM_STS        BIT(4)
-#define CEC_RX_EOM_STS        BIT(5)
-#define CEC_FREE_TIME_IRQ_STS BIT(6)
-#define CEC_PIN_STS           BIT(7)
-#define CEC_SBIT_TOUT_STS     BIT(8)
-#define CEC_DBIT_TOUT_STS     BIT(9)
-#define CEC_LPULSE_ERROR_STS  BIT(10)
-#define CEC_HPULSE_ERROR_STS  BIT(11)
-#define CEC_TX_ERROR          BIT(12)
-#define CEC_TX_ARB_ERROR      BIT(13)
-#define CEC_RX_ERROR_MIN      BIT(14)
-#define CEC_RX_ERROR_MAX      BIT(15)
-
-/* Signal free time in bit periods (2.4ms) */
-#define CEC_PRESENT_INIT_SFT 7
-#define CEC_NEW_INIT_SFT     5
-#define CEC_RETRANSMIT_SFT   3
-
-/* Constants for CEC_BIT_TOUT_THRESH register */
-#define CEC_SBIT_TOUT_47MS BIT(1)
-#define CEC_SBIT_TOUT_48MS (BIT(0) | BIT(1))
-#define CEC_SBIT_TOUT_50MS BIT(2)
-#define CEC_DBIT_TOUT_27MS BIT(0)
-#define CEC_DBIT_TOUT_28MS BIT(1)
-#define CEC_DBIT_TOUT_29MS (BIT(0) | BIT(1))
-
-/* Constants for CEC_BIT_PULSE_THRESH register */
-#define CEC_BIT_LPULSE_03MS BIT(1)
-#define CEC_BIT_HPULSE_03MS BIT(3)
-
-/* Constants for CEC_DATA_ARRAY_STATUS register */
-#define CEC_RX_N_OF_BYTES                     0x1F
-#define CEC_TX_N_OF_BYTES_SENT                BIT(5)
-#define CEC_RX_OVERRUN                        BIT(6)
-
-struct stih_cec {
-	struct cec_adapter	*adap;
-	struct device		*dev;
-	struct clk		*clk;
-	void __iomem		*regs;
-	int			irq;
-	u32			irq_status;
-};
-
-static int stih_cec_adap_enable(struct cec_adapter *adap, bool enable)
-{
-	struct stih_cec *cec = adap->priv;
-
-	if (enable) {
-		/* The doc says (input TCLK_PERIOD * CEC_CLK_DIV) = 0.1ms */
-		unsigned long clk_freq = clk_get_rate(cec->clk);
-		u32 cec_clk_div = clk_freq / 10000;
-
-		writel(cec_clk_div, cec->regs + CEC_CLK_DIV);
-
-		/* Configuration of the durations activating a timeout */
-		writel(CEC_SBIT_TOUT_47MS | (CEC_DBIT_TOUT_28MS << 4),
-		       cec->regs + CEC_BIT_TOUT_THRESH);
-
-		/* Configuration of the smallest allowed duration for pulses */
-		writel(CEC_BIT_LPULSE_03MS | CEC_BIT_HPULSE_03MS,
-		       cec->regs + CEC_BIT_PULSE_THRESH);
-
-		/* Minimum received bit period threshold */
-		writel(BIT(5) | BIT(7), cec->regs + CEC_TX_CTRL);
-
-		/* Configuration of transceiver data arrays */
-		writel(CEC_TX_ARRAY_EN | CEC_RX_ARRAY_EN | CEC_TX_STOP_ON_NACK,
-		       cec->regs + CEC_DATA_ARRAY_CTRL);
-
-		/* Configuration of the control bits for CEC Transceiver */
-		writel(CEC_IN_FILTER_EN | CEC_EN | CEC_RX_RESET_EN,
-		       cec->regs + CEC_CTRL);
-
-		/* Clear logical addresses */
-		writel(0, cec->regs + CEC_ADDR_TABLE);
-
-		/* Clear the status register */
-		writel(0x0, cec->regs + CEC_STATUS);
-
-		/* Enable the interrupts */
-		writel(CEC_TX_DONE_IRQ_EN | CEC_RX_DONE_IRQ_EN |
-		       CEC_RX_SOM_IRQ_EN | CEC_RX_EOM_IRQ_EN |
-		       CEC_ERROR_IRQ_EN,
-		       cec->regs + CEC_IRQ_CTRL);
-
-	} else {
-		/* Clear logical addresses */
-		writel(0, cec->regs + CEC_ADDR_TABLE);
-
-		/* Clear the status register */
-		writel(0x0, cec->regs + CEC_STATUS);
-
-		/* Disable the interrupts */
-		writel(0, cec->regs + CEC_IRQ_CTRL);
-	}
-
-	return 0;
-}
-
-static int stih_cec_adap_log_addr(struct cec_adapter *adap, u8 logical_addr)
-{
-	struct stih_cec *cec = adap->priv;
-	u32 reg = readl(cec->regs + CEC_ADDR_TABLE);
-
-	reg |= 1 << logical_addr;
-
-	if (logical_addr == CEC_LOG_ADDR_INVALID)
-		reg = 0;
-
-	writel(reg, cec->regs + CEC_ADDR_TABLE);
-
-	return 0;
-}
-
-static int stih_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
-				  u32 signal_free_time, struct cec_msg *msg)
-{
-	struct stih_cec *cec = adap->priv;
-	int i;
-
-	/* Copy message into registers */
-	for (i = 0; i < msg->len; i++)
-		writeb(msg->msg[i], cec->regs + CEC_TX_DATA_BASE + i);
-
-	/* Start transmission, configure hardware to add start and stop bits
-	 * Signal free time is handled by the hardware
-	 */
-	writel(CEC_TX_AUTO_SOM_EN | CEC_TX_AUTO_EOM_EN | CEC_TX_START |
-	       msg->len, cec->regs + CEC_TX_ARRAY_CTRL);
-
-	return 0;
-}
-
-static void stih_tx_done(struct stih_cec *cec, u32 status)
-{
-	if (status & CEC_TX_ERROR) {
-		cec_transmit_done(cec->adap, CEC_TX_STATUS_ERROR, 0, 0, 0, 1);
-		return;
-	}
-
-	if (status & CEC_TX_ARB_ERROR) {
-		cec_transmit_done(cec->adap,
-				  CEC_TX_STATUS_ARB_LOST, 1, 0, 0, 0);
-		return;
-	}
-
-	if (!(status & CEC_TX_ACK_GET_STS)) {
-		cec_transmit_done(cec->adap, CEC_TX_STATUS_NACK, 0, 1, 0, 0);
-		return;
-	}
-
-	cec_transmit_done(cec->adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);
-}
-
-static void stih_rx_done(struct stih_cec *cec, u32 status)
-{
-	struct cec_msg msg = {};
-	u8 i;
-
-	if (status & CEC_RX_ERROR_MIN)
-		return;
-
-	if (status & CEC_RX_ERROR_MAX)
-		return;
-
-	msg.len = readl(cec->regs + CEC_DATA_ARRAY_STATUS) & 0x1f;
-
-	if (!msg.len)
-		return;
-
-	if (msg.len > 16)
-		msg.len = 16;
-
-	for (i = 0; i < msg.len; i++)
-		msg.msg[i] = readl(cec->regs + CEC_RX_DATA_BASE + i);
-
-	cec_received_msg(cec->adap, &msg);
-}
-
-static irqreturn_t stih_cec_irq_handler_thread(int irq, void *priv)
-{
-	struct stih_cec *cec = priv;
-
-	if (cec->irq_status & CEC_TX_DONE_STS)
-		stih_tx_done(cec, cec->irq_status);
-
-	if (cec->irq_status & CEC_RX_DONE_STS)
-		stih_rx_done(cec, cec->irq_status);
-
-	cec->irq_status = 0;
-
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t stih_cec_irq_handler(int irq, void *priv)
-{
-	struct stih_cec *cec = priv;
-
-	cec->irq_status = readl(cec->regs + CEC_STATUS);
-	writel(cec->irq_status, cec->regs + CEC_STATUS);
-
-	return IRQ_WAKE_THREAD;
-}
-
-static const struct cec_adap_ops sti_cec_adap_ops = {
-	.adap_enable = stih_cec_adap_enable,
-	.adap_log_addr = stih_cec_adap_log_addr,
-	.adap_transmit = stih_cec_adap_transmit,
-};
-
-static int stih_cec_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct resource *res;
-	struct stih_cec *cec;
-	int ret;
-
-	cec = devm_kzalloc(dev, sizeof(*cec), GFP_KERNEL);
-	if (!cec)
-		return -ENOMEM;
-
-	cec->dev = dev;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	cec->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(cec->regs))
-		return PTR_ERR(cec->regs);
-
-	cec->irq = platform_get_irq(pdev, 0);
-	if (cec->irq < 0)
-		return cec->irq;
-
-	ret = devm_request_threaded_irq(dev, cec->irq, stih_cec_irq_handler,
-					stih_cec_irq_handler_thread, 0,
-					pdev->name, cec);
-	if (ret)
-		return ret;
-
-	cec->clk = devm_clk_get(dev, "cec-clk");
-	if (IS_ERR(cec->clk)) {
-		dev_err(dev, "Cannot get cec clock\n");
-		return PTR_ERR(cec->clk);
-	}
-
-	cec->adap = cec_allocate_adapter(&sti_cec_adap_ops, cec,
-			CEC_NAME,
-			CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH |
-			CEC_CAP_PHYS_ADDR | CEC_CAP_TRANSMIT, 1);
-	ret = PTR_ERR_OR_ZERO(cec->adap);
-	if (ret)
-		return ret;
-
-	ret = cec_register_adapter(cec->adap, &pdev->dev);
-	if (ret) {
-		cec_delete_adapter(cec->adap);
-		return ret;
-	}
-
-	platform_set_drvdata(pdev, cec);
-	return 0;
-}
-
-static int stih_cec_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
-static const struct of_device_id stih_cec_match[] = {
-	{
-		.compatible	= "st,stih-cec",
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(of, stih_cec_match);
-
-static struct platform_driver stih_cec_pdrv = {
-	.probe	= stih_cec_probe,
-	.remove = stih_cec_remove,
-	.driver = {
-		.name		= CEC_NAME,
-		.of_match_table	= stih_cec_match,
-	},
-};
-
-module_platform_driver(stih_cec_pdrv);
-
-MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@linaro.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("STIH4xx CEC driver");
