Message-Id: <20250924-knp-cam-v1-5-b72d6deea054@oss.qualcomm.com>
Date: Wed, 24 Sep 2025 17:02:52 -0700
From: Jingyi Wang <jingyi.wang@....qualcomm.com>
To: Loic Poulain <loic.poulain@....qualcomm.com>,
        Robert Foss <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Bryan O'Donoghue <bod@...nel.org>,
        Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org,
        Jingyi Wang <jingyi.wang@....qualcomm.com>, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com,
        Atiya Kailany <atiya.kailany@....qualcomm.com>
Subject: [PATCH 5/6] media: qcom: camss: csid: Add support for CSID 1080

From: Hangxiang Ma <hangxiang.ma@....qualcomm.com>

Add more detailed resource information for CSID devices along with the
driver for CSID 1080 that is responsible for CSID register
configuration, module reset and IRQ handling for BUF_DONE events.

In this CSID version, RUP and AUP update values are split into two
registers along with a SET register. Accordingly , enhance the CSID
interface to accommodate both the legacy combined reg_update and the
split RUP and AUP updates.

Co-developed-by: Atiya Kailany <atiya.kailany@....qualcomm.com>
Signed-off-by: Atiya Kailany <atiya.kailany@....qualcomm.com>
Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
---
 drivers/media/platform/qcom/camss/Makefile         |   1 +
 .../media/platform/qcom/camss/camss-csid-1080.c    | 379 +++++++++++++++++++++
 .../media/platform/qcom/camss/camss-csid-1080.h    |  25 ++
 drivers/media/platform/qcom/camss/camss-csid.h     |   9 +-
 drivers/media/platform/qcom/camss/camss.c          |  80 +++++
 drivers/media/platform/qcom/camss/camss.h          |   1 +
 6 files changed, 494 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile
index 23960d02877d..3a7ed4f5a004 100644
--- a/drivers/media/platform/qcom/camss/Makefile
+++ b/drivers/media/platform/qcom/camss/Makefile
@@ -8,6 +8,7 @@ qcom-camss-objs += \
 		camss-csid-4-7.o \
 		camss-csid-340.o \
 		camss-csid-680.o \
+		camss-csid-1080.o \
 		camss-csid-gen2.o \
 		camss-csid-gen3.o \
 		camss-csiphy-2ph-1-0.o \
diff --git a/drivers/media/platform/qcom/camss/camss-csid-1080.c b/drivers/media/platform/qcom/camss/camss-csid-1080.c
new file mode 100644
index 000000000000..ab5944d4ff34
--- /dev/null
+++ b/drivers/media/platform/qcom/camss/camss-csid-1080.c
@@ -0,0 +1,379 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * camss-csid-1080.c
+ *
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/types.h>
+#include <linux/v4l2-controls.h>
+#include "camss.h"
+#include "camss-csid.h"
+#include "camss-csid-1080.h"
+
+/* Reset and Command Registers */
+#define CSID_RST_CFG				0x108
+#define		RST_MODE				BIT(0)
+#define		RST_LOCATION				BIT(4)
+
+/* Reset and Command Registers */
+#define CSID_RST_CMD				0x10C
+#define		SELECT_HW_RST				BIT(0)
+#define		SELECT_IRQ_RST				BIT(2)
+#define CSID_IRQ_CMD				0x110
+#define		IRQ_CMD_CLEAR				BIT(0)
+
+/* Register Update Commands, RUP/AUP */
+#define CSID_RUP_CMD				0x114
+#define		RUP_RDIN				BIT(8)
+#define CSID_AUP_CMD				0x118
+#define		AUP_RDIN				BIT(8)
+#define CSID_RUP_AUP_CMD			0x11C
+#define		RUP_SET					BIT(0)
+#define		MUP					BIT(4)
+
+/* Top level interrupt registers */
+#define CSID_TOP_IRQ_STATUS			0x180
+#define CSID_TOP_IRQ_MASK			0x184
+#define CSID_TOP_IRQ_CLEAR			0x188
+#define CSID_TOP_IRQ_SET			0x18C
+#define		INFO_RST_DONE				BIT(0)
+#define		CSI2_RX_IRQ_STATUS			BIT(2)
+#define		BUF_DONE_IRQ_STATUS			BIT(3)
+#define		RDIn_IRQ_STATUS_OFFSET			16
+#define		TOP_IRQ_STATUS_2			BIT(31)
+
+/* Buffer done interrupt registers */
+#define CSID_BUF_DONE_IRQ_STATUS		0x1A0
+#define		BUF_DONE_IRQ_STATUS_RDI_OFFSET		16
+#define CSID_BUF_DONE_IRQ_MASK			0x1A4
+#define CSID_BUF_DONE_IRQ_CLEAR			0x1A8
+#define CSID_BUF_DONE_IRQ_SET			0x1AC
+
+/* CSI2 RX interrupt registers */
+#define CSID_CSI2_RX_IRQ_STATUS			0x1B0
+#define CSID_CSI2_RX_IRQ_MASK			0x1B4
+#define CSID_CSI2_RX_IRQ_CLEAR			0x1B8
+#define CSID_CSI2_RX_IRQ_SET			0x1BC
+
+/* CSI2 RX Configuration */
+#define CSID_CSI2_RX_CFG0			0x880
+#define		CSI2_RX_CFG0_NUM_ACTIVE_LANES		0
+#define		CSI2_RX_CFG0_DL0_INPUT_SEL		4
+#define		CSI2_RX_CFG0_PHY_NUM_SEL		20
+#define CSID_CSI2_RX_CFG1			0x884
+#define		CSI2_RX_CFG1_ECC_CORRECTION_EN		BIT(0)
+#define		CSI2_RX_CFG1_VC_MODE			BIT(2)
+
+/* CSIPHY to hardware PHY selector mapping */
+#define CSID_CSIPHY_ID_BASE_OFFSET		1
+
+#define MSM_CSID_MAX_SRC_STREAMS_1080		(csid_is_lite(csid) ? 4 : 5)
+
+/* RDI Configuration */
+#define CSID_RDI_CFG0(rdi) \
+	((csid_is_lite(csid) ? 0x3080 : 0x5480) + 0x200 * (rdi))
+#define		RDI_CFG0_RETIME_BS			BIT(5)
+#define		RDI_CFG0_TIMESTAMP_EN			BIT(6)
+#define		RDI_CFG0_TIMESTAMP_STB_SEL		BIT(8)
+#define		RDI_CFG0_DECODE_FORMAT			12
+#define		RDI_CFG0_DT				16
+#define		RDI_CFG0_VC				22
+#define		RDI_CFG0_EN				BIT(31)
+
+/* RDI Control and Configuration */
+#define CSID_RDI_CTRL(rdi) \
+	((csid_is_lite(csid) ? 0x3088 : 0x5488) + 0x200 * (rdi))
+#define		RDI_CTRL_START_CMD			BIT(0)
+
+#define CSID_RDI_CFG1(rdi) \
+	((csid_is_lite(csid) ? 0x3094 : 0x5494) + 0x200 * (rdi))
+#define		RDI_CFG1_DROP_H_EN			BIT(5)
+#define		RDI_CFG1_DROP_V_EN			BIT(6)
+#define		RDI_CFG1_CROP_H_EN			BIT(7)
+#define		RDI_CFG1_CROP_V_EN			BIT(8)
+#define		RDI_CFG1_PACKING_FORMAT_MIPI		BIT(15)
+
+/* RDI Pixel Store Configuration */
+#define CSID_RDI_PIX_STORE_CFG0(rdi)		(0x5498 + 0x200 * (rdi))
+#define		RDI_PIX_STORE_CFG0_EN			BIT(0)
+#define		RDI_PIX_STORE_CFG0_MIN_HBI		1
+
+/* RDI IRQ Status in wrapper */
+#define CSID_RDIN_IRQ_STATUS(rdi)		(0x224 + (0x10 * (rdi)))
+#define CSID_RDIN_IRQ_MASK(rdi)			(0x228 + (0x10 * (rdi)))
+#define CSID_RDIN_IRQ_CLEAR(rdi)		(0x22C + (0x10 * (rdi)))
+#define		INFO_RUP_DONE				BIT(23)
+
+static void __csid_aup_rup_trigger(struct csid_device *csid)
+{
+	/* trigger SET in combined register */
+	writel(RUP_SET, csid->base + CSID_RUP_AUP_CMD);
+}
+
+static void __csid_aup_update(struct csid_device *csid, int port_id)
+{
+	csid->aup_update |= AUP_RDIN << port_id;
+	writel(csid->aup_update, csid->base + CSID_AUP_CMD);
+
+	__csid_aup_rup_trigger(csid);
+}
+
+static void __csid_reg_update(struct csid_device *csid, int port_id)
+{
+	csid->rup_update |= RUP_RDIN << port_id;
+	writel(csid->rup_update, csid->base + CSID_RUP_CMD);
+
+	__csid_aup_rup_trigger(csid);
+}
+
+static void __csid_configure_rx(struct csid_device *csid,
+				struct csid_phy_config *phy)
+{
+	int val;
+
+	val = (phy->lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES;
+	val |= phy->lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL;
+	val |= (phy->csiphy_id + CSID_CSIPHY_ID_BASE_OFFSET)
+	       << CSI2_RX_CFG0_PHY_NUM_SEL;
+	writel(val, csid->base + CSID_CSI2_RX_CFG0);
+
+	val = CSI2_RX_CFG1_ECC_CORRECTION_EN;
+	writel(val, csid->base + CSID_CSI2_RX_CFG1);
+}
+
+static void __csid_configure_rx_vc(struct csid_device *csid,
+				   struct csid_phy_config *phy, int vc)
+{
+	int val;
+
+	if (vc > 3) {
+		val = readl(csid->base + CSID_CSI2_RX_CFG1);
+		val |= CSI2_RX_CFG1_VC_MODE;
+		writel(val, csid->base + CSID_CSI2_RX_CFG1);
+	}
+}
+
+static void __csid_ctrl_rdi(struct csid_device *csid, int enable, u8 rdi)
+{
+	int val = 0;
+
+	if (enable)
+		val = RDI_CTRL_START_CMD;
+
+	writel(val, csid->base + CSID_RDI_CTRL(rdi));
+}
+
+static void __csid_configure_rdi_pix_store(struct csid_device *csid, u8 rdi)
+{
+	u32 val;
+
+	/* Configure pixel store to allow absorption of hblanking or idle time.
+	 * This helps with horizontal crop and prevents line buffer conflicts.
+	 * Reset state is 0x8 which has MIN_HBI=4, we keep the default MIN_HBI
+	 * and just enable the pixel store functionality.
+	 */
+	val = (4 << RDI_PIX_STORE_CFG0_MIN_HBI) | RDI_PIX_STORE_CFG0_EN;
+	writel(val, csid->base + CSID_RDI_PIX_STORE_CFG0(rdi));
+}
+
+static void __csid_configure_rdi_stream(struct csid_device *csid, u8 enable, u8 vc)
+{
+	u32 val;
+	u8 lane_cnt = csid->phy.lane_cnt;
+
+	/* Source pads matching RDI channels on hardware.
+	 * E.g. Pad 1 -> RDI0, Pad 2 -> RDI1, etc.
+	 */
+	struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc];
+	const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats,
+								   csid->res->formats->nformats,
+								   input_format->code);
+
+	if (!lane_cnt)
+		lane_cnt = 4;
+
+	val = RDI_CFG0_TIMESTAMP_EN;
+	val |= RDI_CFG0_TIMESTAMP_STB_SEL;
+	val |= RDI_CFG0_RETIME_BS;
+
+	/* note: for non-RDI path, this should be format->decode_format */
+	val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT;
+	val |= vc << RDI_CFG0_VC;
+	val |= format->data_type << RDI_CFG0_DT;
+	writel(val, csid->base + CSID_RDI_CFG0(vc));
+
+	val = RDI_CFG1_PACKING_FORMAT_MIPI;
+	writel(val, csid->base + CSID_RDI_CFG1(vc));
+
+	/* Configure pixel store using dedicated register in 1080 */
+	if (!csid_is_lite(csid))
+		__csid_configure_rdi_pix_store(csid, vc);
+
+	val = 0;
+	writel(val, csid->base + CSID_RDI_CTRL(vc));
+
+	val = readl(csid->base + CSID_RDI_CFG0(vc));
+
+	if (enable)
+		val |= RDI_CFG0_EN;
+
+	writel(val, csid->base + CSID_RDI_CFG0(vc));
+}
+
+static void csid_configure_stream_1080(struct csid_device *csid, u8 enable)
+{
+	u8 i;
+	u8 vc;
+
+	__csid_configure_rx(csid, &csid->phy);
+
+	for (vc = 0; vc < MSM_CSID_MAX_SRC_STREAMS_1080; vc++) {
+		if (csid->phy.en_vc & BIT(vc)) {
+			__csid_configure_rdi_stream(csid, enable, vc);
+			__csid_configure_rx_vc(csid, &csid->phy, vc);
+
+			for (i = 0; i < CAMSS_INIT_BUF_COUNT; i++)
+				__csid_aup_update(csid, vc);
+
+			__csid_reg_update(csid, vc);
+
+			__csid_ctrl_rdi(csid, enable, vc);
+		}
+	}
+}
+
+static int csid_configure_testgen_pattern_1080(struct csid_device *csid,
+					       s32 val)
+{
+	return 0;
+}
+
+static void csid_subdev_reg_update_1080(struct csid_device *csid, int port_id,
+					bool clear)
+{
+	/* No explicit clear required */
+	if (!clear)
+		__csid_aup_update(csid, port_id);
+}
+
+/**
+ * csid_isr - CSID module interrupt service routine
+ * @irq: Interrupt line
+ * @dev: CSID device
+ *
+ * Return IRQ_HANDLED on success
+ */
+static irqreturn_t csid_isr_1080(int irq, void *dev)
+{
+	struct csid_device *csid = dev;
+	u32 val, buf_done_val;
+	u8 reset_done;
+	int i;
+
+	val = readl(csid->base + CSID_TOP_IRQ_STATUS);
+	writel(val, csid->base + CSID_TOP_IRQ_CLEAR);
+
+	reset_done = val & INFO_RST_DONE;
+
+	buf_done_val = readl(csid->base + CSID_BUF_DONE_IRQ_STATUS);
+	writel(buf_done_val, csid->base + CSID_BUF_DONE_IRQ_CLEAR);
+
+	for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS_1080; i++)
+		if (csid->phy.en_vc & BIT(i)) {
+			val = readl(csid->base + CSID_RDIN_IRQ_STATUS(i));
+			writel(val, csid->base + CSID_RDIN_IRQ_CLEAR(i));
+
+			if (buf_done_val & BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i)) {
+				/*
+				 * buf done and RUP IRQ have been moved to CSID from VFE.
+				 * Once CSID received buf done, need notify VFE of this
+				 * event and trigger VFE to handle buf done process.
+				 */
+				camss_buf_done(csid->camss, csid->id, i);
+			}
+		}
+
+	val = IRQ_CMD_CLEAR;
+	writel(val, csid->base + CSID_IRQ_CMD);
+
+	if (reset_done)
+		complete(&csid->reset_complete);
+
+	return IRQ_HANDLED;
+}
+
+/**
+ * csid_reset - Trigger reset on CSID module and wait to complete
+ * @csid: CSID device
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+static int csid_reset_1080(struct csid_device *csid)
+{
+	unsigned long time;
+	u32 val;
+	int i;
+
+	reinit_completion(&csid->reset_complete);
+
+	val = INFO_RST_DONE | BUF_DONE_IRQ_STATUS;
+	writel(val, csid->base + CSID_TOP_IRQ_CLEAR);
+	writel(val, csid->base + CSID_TOP_IRQ_MASK);
+
+	val = 0;
+	for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS_1080; i++) {
+		if (csid->phy.en_vc & BIT(i)) {
+			/* only need to clear Buffer Done IRQ Status here,
+			 * RUP Done IRQ Status will be cleared once isr
+			 * strobe generated by CSID_RST_CMD
+			 */
+			val |= BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i);
+		}
+	}
+	writel(val, csid->base + CSID_BUF_DONE_IRQ_CLEAR);
+	writel(val, csid->base + CSID_BUF_DONE_IRQ_MASK);
+
+	/* Clear all IRQ status with CLEAR bits set */
+	val = IRQ_CMD_CLEAR;
+	writel(val, csid->base + CSID_IRQ_CMD);
+
+	val = RST_LOCATION | RST_MODE;
+	writel(val, csid->base + CSID_RST_CFG);
+
+	val = SELECT_HW_RST | SELECT_IRQ_RST;
+	writel(val, csid->base + CSID_RST_CMD);
+
+	time = wait_for_completion_timeout(&csid->reset_complete,
+					   msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
+
+	if (!time) {
+		dev_err(csid->camss->dev, "CSID reset timeout\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static void csid_subdev_init_1080(struct csid_device *csid)
+{
+	csid->testgen.nmodes = CSID_PAYLOAD_MODE_DISABLED;
+}
+
+const struct csid_hw_ops csid_ops_1080 = {
+	.configure_stream = csid_configure_stream_1080,
+	.configure_testgen_pattern = csid_configure_testgen_pattern_1080,
+	.hw_version = csid_hw_version,
+	.isr = csid_isr_1080,
+	.reset = csid_reset_1080,
+	.src_pad_code = csid_src_pad_code,
+	.subdev_init = csid_subdev_init_1080,
+	.reg_update = csid_subdev_reg_update_1080,
+};
diff --git a/drivers/media/platform/qcom/camss/camss-csid-1080.h b/drivers/media/platform/qcom/camss/camss-csid-1080.h
new file mode 100644
index 000000000000..f526f3168e33
--- /dev/null
+++ b/drivers/media/platform/qcom/camss/camss-csid-1080.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * camss-csid-1080.h
+ *
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module Generation 3
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+#ifndef __QC_MSM_CAMSS_CSID_1080_H__
+#define __QC_MSM_CAMSS_CSID_1080_H__
+
+#define DECODE_FORMAT_UNCOMPRESSED_8_BIT	0x1
+#define DECODE_FORMAT_UNCOMPRESSED_10_BIT	0x2
+#define DECODE_FORMAT_UNCOMPRESSED_12_BIT	0x3
+#define DECODE_FORMAT_UNCOMPRESSED_14_BIT	0x4
+#define DECODE_FORMAT_UNCOMPRESSED_16_BIT	0x5
+#define DECODE_FORMAT_UNCOMPRESSED_20_BIT	0x6
+#define DECODE_FORMAT_UNCOMPRESSED_24_BIT	0x7
+#define DECODE_FORMAT_PAYLOAD_ONLY		0xf
+
+#define PLAIN_FORMAT_PLAIN8	0x0 /* supports DPCM, UNCOMPRESSED_6/8_BIT */
+#define PLAIN_FORMAT_PLAIN16	0x1 /* supports DPCM, UNCOMPRESSED_10/16_BIT */
+#define PLAIN_FORMAT_PLAIN32	0x2 /* supports UNCOMPRESSED_20_BIT */
+
+#endif /* __QC_MSM_CAMSS_CSID_1080_H__ */
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index aedc96ed84b2..465f05590679 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -154,7 +154,13 @@ struct csid_device {
 	void __iomem *base;
 	u32 irq;
 	char irq_name[30];
-	u32 reg_update;
+	union {
+		u32 reg_update;
+		struct {
+			u32 rup_update;
+			u32 aup_update;
+		};
+	};
 	struct camss_clock *clock;
 	int nclocks;
 	struct regulator_bulk_data *supplies;
@@ -215,6 +221,7 @@ extern const struct csid_hw_ops csid_ops_4_1;
 extern const struct csid_hw_ops csid_ops_4_7;
 extern const struct csid_hw_ops csid_ops_340;
 extern const struct csid_hw_ops csid_ops_680;
+extern const struct csid_hw_ops csid_ops_1080;
 extern const struct csid_hw_ops csid_ops_gen2;
 extern const struct csid_hw_ops csid_ops_gen3;
 
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 542122fba825..74a8ad3cb728 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -139,6 +139,84 @@ static const struct camss_subdev_resources csiphy_res_kaanapali[] = {
 	},
 };
 
+static const struct camss_subdev_resources csid_res_kaanapali[] = {
+	/* CSID0 */
+	{
+		.regulators = {},
+		.clock = { "csid", "csid_csiphy_rx" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 400000000, 480000000 } },
+		.reg = { "csid0" },
+		.interrupt = { "csid0" },
+		.csid = {
+			.is_lite = false,
+			.parent_dev_ops = &vfe_parent_dev_ops,
+			.hw_ops = &csid_ops_1080,
+			.formats = &csid_formats_gen2
+		}
+	},
+	/* CSID1 */
+	{
+		.regulators = {},
+		.clock = { "csid", "csid_csiphy_rx" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 400000000, 480000000 } },
+		.reg = { "csid1" },
+		.interrupt = { "csid1" },
+		.csid = {
+			.is_lite = false,
+			.parent_dev_ops = &vfe_parent_dev_ops,
+			.hw_ops = &csid_ops_1080,
+			.formats = &csid_formats_gen2
+		}
+	},
+	/* CSID2 */
+	{
+		.regulators = {},
+		.clock = { "csid", "csid_csiphy_rx" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 400000000, 480000000 } },
+		.reg = { "csid2" },
+		.interrupt = { "csid2" },
+		.csid = {
+			.is_lite = false,
+			.parent_dev_ops = &vfe_parent_dev_ops,
+			.hw_ops = &csid_ops_1080,
+			.formats = &csid_formats_gen2
+		}
+	},
+	/* CSID_LITE0 */
+	{
+		.regulators = {},
+		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 400000000, 480000000 } },
+		.reg = { "csid_lite0" },
+		.interrupt = { "csid_lite0" },
+		.csid = {
+			.is_lite = true,
+			.parent_dev_ops = &vfe_parent_dev_ops,
+			.hw_ops = &csid_ops_1080,
+			.formats = &csid_formats_gen2
+		}
+	},
+	/* CSID_LITE1 */
+	{
+		.regulators = {},
+		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx" },
+		.clock_rate = { { 400000000, 480000000 },
+				{ 400000000, 480000000 } },
+		.reg = { "csid_lite1" },
+		.interrupt = { "csid_lite1" },
+		.csid = {
+			.is_lite = true,
+			.parent_dev_ops = &vfe_parent_dev_ops,
+			.hw_ops = &csid_ops_1080,
+			.formats = &csid_formats_gen2
+		}
+	}
+};
+
 static const struct resources_icc icc_res_kaanapali[] = {
 	/* Based on 4096 x 3072 30 FPS 2496 Mbps mode */
 	{
@@ -4414,9 +4492,11 @@ static const struct camss_resources kaanapali_resources = {
 	.version = CAMSS_KAANAPALI,
 	.pd_name = "top",
 	.csiphy_res = csiphy_res_kaanapali,
+	.csid_res = csid_res_kaanapali,
 	.icc_res = icc_res_kaanapali,
 	.icc_path_num = ARRAY_SIZE(icc_res_kaanapali),
 	.csiphy_num = ARRAY_SIZE(csiphy_res_kaanapali),
+	.csid_num = ARRAY_SIZE(csid_res_kaanapali),
 };
 
 static const struct camss_resources msm8916_resources = {
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 9fc9e04b9dab..876cd2a64cbe 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -41,6 +41,7 @@
 	(to_camss_index(ptr_module, index)->dev)
 
 #define CAMSS_RES_MAX 17
+#define CAMSS_INIT_BUF_COUNT 2
 
 struct camss_subdev_resources {
 	char *regulators[CAMSS_RES_MAX];

-- 
2.25.1

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