ACPICA: ACPI 6.4: add CSI2Bus resource template

This commit the result of squashing the following:
ACPICA commit 21a316fdaa46b3fb245a1920f3829cb05d6ced6e
ACPICA commit f5506fc7dad08c2a25ef52cf836c2d67385a612c

Link: https://github.com/acpica/acpica/commit/21a316fd
Link: https://github.com/acpica/acpica/commit/f5506fc7
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index 0cb975a..37c47e1 100644 (file)
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -46,6 +46,7 @@ typedef enum {
        ACPI_RSC_1BITFLAG,
        ACPI_RSC_2BITFLAG,
        ACPI_RSC_3BITFLAG,
+       ACPI_RSC_6BITFLAG,
        ACPI_RSC_ADDRESS,
        ACPI_RSC_BITMASK,
        ACPI_RSC_BITMASK16,
@@ -102,6 +103,7 @@ typedef enum {
        ACPI_RSD_1BITFLAG,
        ACPI_RSD_2BITFLAG,
        ACPI_RSD_3BITFLAG,
+       ACPI_RSD_6BITFLAG,
        ACPI_RSD_ADDRESS,
        ACPI_RSD_DWORDLIST,
        ACPI_RSD_LITERAL,
@@ -295,6 +297,7 @@ extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
 extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
 extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
+extern struct acpi_rsconvert_info acpi_rs_convert_csi2_serial_bus[];
 extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
 extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
 extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
@@ -349,6 +352,7 @@ extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
 extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
 extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
 extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_csi2_serial_bus[];
 extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
 extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
 extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];

diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index be6de71..bccae0d 100644 (file)
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -28,6 +28,7 @@ extern const char *acpi_gbl_max_decode[];
 extern const char *acpi_gbl_mem_decode[];
 extern const char *acpi_gbl_min_decode[];
 extern const char *acpi_gbl_mtp_decode[];
+extern const char *acpi_gbl_phy_decode[];
 extern const char *acpi_gbl_rng_decode[];
 extern const char *acpi_gbl_rw_decode[];
 extern const char *acpi_gbl_shr_decode[];

diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index a9d91a3..b981232 100644 (file)
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -40,6 +40,7 @@
 #define ACPI_RESTAG_IORESTRICTION               "_IOR"
 #define ACPI_RESTAG_LENGTH                      "_LEN"
 #define ACPI_RESTAG_LINE                        "_LIN"
+#define ACPI_RESTAG_LOCALPORT                   "_PRT"
 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
 #define ACPI_RESTAG_MEMTYPE                     "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
 #define ACPI_RESTAG_MAXADDR                     "_MAX"
@@ -49,6 +50,7 @@
 #define ACPI_RESTAG_MODE                        "_MOD"
 #define ACPI_RESTAG_PARITY                      "_PAR"
 #define ACPI_RESTAG_PHASE                       "_PHA"
+#define ACPI_RESTAG_PHYTYPE                     "_PHY"
 #define ACPI_RESTAG_PIN                         "_PIN"
 #define ACPI_RESTAG_PINCONFIG                   "_PPI"
 #define ACPI_RESTAG_PINCONFIG_TYPE              "_TYP"
@@ -316,12 +318,26 @@ struct aml_resource_gpio {
 #define AML_RESOURCE_I2C_SERIALBUSTYPE          1
 #define AML_RESOURCE_SPI_SERIALBUSTYPE          2
 #define AML_RESOURCE_UART_SERIALBUSTYPE         3
-#define AML_RESOURCE_MAX_SERIALBUSTYPE          3
+#define AML_RESOURCE_CSI2_SERIALBUSTYPE         4
+#define AML_RESOURCE_MAX_SERIALBUSTYPE          4
 #define AML_RESOURCE_VENDOR_SERIALBUSTYPE       192    /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
 
 struct aml_resource_common_serialbus {
 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
 
+struct aml_resource_csi2_serialbus {
+       AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
+           /*
+            * Optional fields follow immediately:
+            * 1) Vendor Data bytes
+            * 2) Resource Source String
+            */
+};
+
+#define AML_RESOURCE_CSI2_REVISION              1      /* ACPI 6.4 */
+#define AML_RESOURCE_CSI2_TYPE_REVISION         1      /* ACPI 6.4 */
+#define AML_RESOURCE_CSI2_MIN_DATA_LEN          0      /* ACPI 6.4 */
+
 struct aml_resource_i2c_serialbus {
        AML_RESOURCE_LARGE_HEADER_COMMON
            AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
@@ -510,6 +526,7 @@ union aml_resource {
        struct aml_resource_i2c_serialbus i2c_serial_bus;
        struct aml_resource_spi_serialbus spi_serial_bus;
        struct aml_resource_uart_serialbus uart_serial_bus;
+       struct aml_resource_csi2_serialbus csi2_serial_bus;
        struct aml_resource_common_serialbus common_serial_bus;
        struct aml_resource_pin_function pin_function;
        struct aml_resource_pin_config pin_config;

diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index fcf129d..90583db 100644 (file)
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -677,10 +677,10 @@ acpi_rs_get_list_length(u8 *aml_buffer,
                *size_needed += buffer_size;
 
                ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
-                                 "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
+                                 "Type %.2X, AmlLength %.2X InternalLength %.2X%8X\n",
                                  acpi_ut_get_resource_type(aml_buffer),
                                  acpi_ut_get_descriptor_length(aml_buffer),
-                                 buffer_size));
+                                 ACPI_FORMAT_UINT64(*size_needed)));
 
                /*
                 * Point to the next resource within the AML stream using the length

diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 6601e71..611bc71 100644 (file)
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -87,6 +87,9 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
                            ("Invalid descriptor type (%X) in resource list\n",
                             resource_list->type);
                        return;
+               } else if (!resource_list->type) {
+                       ACPI_ERROR((AE_INFO, "Invalid Zero Resource Type"));
+                       return;
                }
 
                /* Sanity check the length. It must not be zero, or we loop forever */
@@ -258,6 +261,11 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
                                           table->pointer[*target & 0x07]);
                        break;
 
+               case ACPI_RSD_6BITFLAG:
+
+                       acpi_rs_out_integer8(name, (ACPI_GET8(target) & 0x3F));
+                       break;
+
                case ACPI_RSD_SHORTLIST:
                        /*
                         * Short byte list (single line output) for DMA and IRQ resources

diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c
index cafa813..b8b3744 100644 (file)
--- a/drivers/acpi/acpica/rsdumpinfo.c
+++ b/drivers/acpi/acpica/rsdumpinfo.c
@@ -421,6 +421,32 @@ struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[11] = {
        ACPI_RS_DUMP_COMMON_SERIAL_BUS
 };
 
+struct acpi_rsdump_info acpi_rs_dump_csi2_serial_bus[11] = {
+       { ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_csi2_serial_bus),
+        "Camera Serial Bus", NULL },
+       { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.revision_id),
+        "RevisionId", NULL },
+       { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.type), "Type",
+        acpi_gbl_sbt_decode },
+       { ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.producer_consumer),
+        "ProducerConsumer", acpi_gbl_consume_decode },
+       { ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.slave_mode),
+        "SlaveMode", acpi_gbl_sm_decode },
+       { ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(csi2_serial_bus.phy_type),
+        "PhyType", acpi_gbl_phy_decode },
+       { ACPI_RSD_6BITFLAG,
+        ACPI_RSD_OFFSET(csi2_serial_bus.local_port_instance),
+        "LocalPortInstance", NULL },
+       { ACPI_RSD_UINT8, ACPI_RSD_OFFSET(csi2_serial_bus.type_revision_id),
+        "TypeRevisionId", NULL },
+       { ACPI_RSD_UINT16, ACPI_RSD_OFFSET(csi2_serial_bus.vendor_length),
+        "VendorLength", NULL },
+       { ACPI_RSD_SHORTLISTX, ACPI_RSD_OFFSET(csi2_serial_bus.vendor_data),
+        "VendorData", NULL },
+       { ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(csi2_serial_bus.resource_source),
+        "ResourceSource", NULL },
+};
+
 struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[14] = {
        {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus),
         "I2C Serial Bus", NULL},

diff --git a/drivers/acpi/acpica/rsinfo.c b/drivers/acpi/acpica/rsinfo.c
index 6e2e596..eaeb7ab 100644 (file)
--- a/drivers/acpi/acpica/rsinfo.c
+++ b/drivers/acpi/acpica/rsinfo.c
@@ -96,13 +96,14 @@ struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = {
        acpi_rs_convert_pin_group_config,       /* 0x12, ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG */
 };
 
-/* Subtype table for serial_bus -- I2C, SPI, and UART */
+/* Subtype table for serial_bus -- I2C, SPI, UART, and CSI2 */
 
 struct acpi_rsconvert_info *acpi_gbl_convert_resource_serial_bus_dispatch[] = {
        NULL,
        acpi_rs_convert_i2c_serial_bus,
        acpi_rs_convert_spi_serial_bus,
        acpi_rs_convert_uart_serial_bus,
+       acpi_rs_convert_csi2_serial_bus
 };
 
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUGGER)
@@ -142,6 +143,7 @@ struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[] = {
        acpi_rs_dump_i2c_serial_bus,    /* AML_RESOURCE_I2C_BUS_TYPE */
        acpi_rs_dump_spi_serial_bus,    /* AML_RESOURCE_SPI_BUS_TYPE */
        acpi_rs_dump_uart_serial_bus,   /* AML_RESOURCE_UART_BUS_TYPE */
+       acpi_rs_dump_csi2_serial_bus,   /* AML_RESOURCE_CSI2_BUS_TYPE */
 };
 #endif
 
@@ -226,6 +228,7 @@ const u8 acpi_gbl_aml_resource_serial_bus_sizes[] = {
        sizeof(struct aml_resource_i2c_serialbus),
        sizeof(struct aml_resource_spi_serialbus),
        sizeof(struct aml_resource_uart_serialbus),
+       sizeof(struct aml_resource_csi2_serialbus),
 };
 
 const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
@@ -233,4 +236,5 @@ const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = {
        ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus),
        ACPI_RS_SIZE(struct acpi_resource_spi_serialbus),
        ACPI_RS_SIZE(struct acpi_resource_uart_serialbus),
+       ACPI_RS_SIZE(struct acpi_resource_csi2_serialbus),
 };

diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 0307675..e46efaa 100644 (file)
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -59,7 +59,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
                    AML_RESOURCE_MAX_SERIALBUSTYPE) {
                        conversion_table = NULL;
                } else {
-                       /* This is an I2C, SPI, or UART serial_bus descriptor */
+                       /* This is an I2C, SPI, UART, or CSI2 serial_bus descriptor */
 
                        conversion_table =
                            acpi_gbl_convert_resource_serial_bus_dispatch
@@ -89,6 +89,11 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
                return_ACPI_STATUS(status);
        }
 
+       if (!resource->length) {
+               ACPI_EXCEPTION((AE_INFO, status,
+                               "Zero-length resource returned from RsConvertAmlToResource"));
+       }
+
        ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
                          "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
                          acpi_ut_get_resource_type(aml), length,
@@ -158,7 +163,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
                            AML_RESOURCE_MAX_SERIALBUSTYPE) {
                                conversion_table = NULL;
                        } else {
-                               /* This is an I2C, SPI, or UART serial_bus descriptor */
+                               /* This is an I2C, SPI, UART or CSI2 serial_bus descriptor */
 
                                conversion_table =
                                    acpi_gbl_convert_resource_serial_bus_dispatch

diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index 1763a3d..c2dd9aa 100644 (file)
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -70,6 +70,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
         */
        count = INIT_TABLE_LENGTH(info);
        while (count) {
+               target = NULL;
+
                /*
                 * Source is the external AML byte stream buffer,
                 * destination is the internal resource descriptor
@@ -120,6 +122,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
                                  ((ACPI_GET8(source) >> info->value) & 0x07));
                        break;
 
+               case ACPI_RSC_6BITFLAG:
+                       /*
+                        * Mask and shift the flag bits
+                        */
+                       ACPI_SET8(destination,
+                                 ((ACPI_GET8(source) >> info->value) & 0x3F));
+                       break;
+
                case ACPI_RSC_COUNT:
 
                        item_count = ACPI_GET8(source);
@@ -509,6 +519,15 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
                                      value));
                        break;
 
+               case ACPI_RSC_6BITFLAG:
+                       /*
+                        * Mask and shift the flag bits
+                        */
+                       ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+                                    ((ACPI_GET8(source) & 0x3F) << info->
+                                     value));
+                       break;
+
                case ACPI_RSC_COUNT:
 
                        item_count = ACPI_GET8(source);

diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c
index 1b937d8..f926795 100644 (file)
--- a/drivers/acpi/acpica/rsserial.c
+++ b/drivers/acpi/acpica/rsserial.c
@@ -185,6 +185,81 @@ struct acpi_rsconvert_info acpi_rs_convert_pin_function[13] = {
         0},
 };
 
+/*******************************************************************************
+ *
+ * acpi_rs_convert_csi2_serial_bus
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_csi2_serial_bus[14] = {
+       { ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS,
+        ACPI_RS_SIZE(struct acpi_resource_csi2_serialbus),
+        ACPI_RSC_TABLE_SIZE(acpi_rs_convert_csi2_serial_bus) },
+
+       { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS,
+        sizeof(struct aml_resource_csi2_serialbus),
+        0 },
+
+       { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id),
+        AML_OFFSET(common_serial_bus.revision_id),
+        1 },
+
+       { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.csi2_serial_bus.type),
+        AML_OFFSET(csi2_serial_bus.type),
+        1 },
+
+       { ACPI_RSC_1BITFLAG,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.producer_consumer),
+        AML_OFFSET(csi2_serial_bus.flags),
+        1 },
+
+       { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.csi2_serial_bus.slave_mode),
+        AML_OFFSET(csi2_serial_bus.flags),
+        0 },
+
+       { ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.csi2_serial_bus.phy_type),
+        AML_OFFSET(csi2_serial_bus.type_specific_flags),
+        0 },
+
+       { ACPI_RSC_6BITFLAG,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.local_port_instance),
+        AML_OFFSET(csi2_serial_bus.type_specific_flags),
+        2 },
+
+       { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.csi2_serial_bus.type_revision_id),
+        AML_OFFSET(csi2_serial_bus.type_revision_id),
+        1 },
+
+       /* Vendor data */
+
+       { ACPI_RSC_COUNT_SERIAL_VEN,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.vendor_length),
+        AML_OFFSET(csi2_serial_bus.type_data_length),
+        AML_RESOURCE_CSI2_MIN_DATA_LEN },
+
+       { ACPI_RSC_MOVE_SERIAL_VEN,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.vendor_data),
+        0,
+        sizeof(struct aml_resource_csi2_serialbus) },
+
+       /* Resource Source */
+
+       { ACPI_RSC_MOVE8,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.index),
+        AML_OFFSET(csi2_serial_bus.res_source_index),
+        1 },
+
+       { ACPI_RSC_COUNT_SERIAL_RES,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.string_length),
+        AML_OFFSET(csi2_serial_bus.type_data_length),
+        sizeof(struct aml_resource_csi2_serialbus) },
+
+       { ACPI_RSC_MOVE_SERIAL_RES,
+        ACPI_RS_OFFSET(data.csi2_serial_bus.resource_source.string_ptr),
+        AML_OFFSET(csi2_serial_bus.type_data_length),
+        sizeof(struct aml_resource_csi2_serialbus) },
+};
+
 /*******************************************************************************
  *
  * acpi_rs_convert_i2c_serial_bus

diff --git a/drivers/acpi/acpica/utresdecode.c b/drivers/acpi/acpica/utresdecode.c
index 0a9c337..85730fc 100644 (file)
--- a/drivers/acpi/acpica/utresdecode.c
+++ b/drivers/acpi/acpica/utresdecode.c
@@ -82,6 +82,13 @@ const char *acpi_gbl_mtp_decode[] = {
        "AddressRangeNVS"
 };
 
+const char *acpi_gbl_phy_decode[] = {
+       "Type C",
+       "Type D",
+       "Unknown Type",
+       "Unknown Type"
+};
+
 const char *acpi_gbl_rng_decode[] = {
        "InvalidRanges",
        "NonISAOnlyRanges",
@@ -161,7 +168,8 @@ const char *acpi_gbl_sbt_decode[] = {
        "/* UNKNOWN serial bus type */",
        "I2C",
        "SPI",
-       "UART"
+       "UART",
+       "CSI2"
 };
 
 /* I2C serial bus access mode */

diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index cba5505..16f9a70 100644 (file)
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -64,6 +64,7 @@ const u8 acpi_gbl_resource_aml_serial_bus_sizes[] = {
        ACPI_AML_SIZE_LARGE(struct aml_resource_i2c_serialbus),
        ACPI_AML_SIZE_LARGE(struct aml_resource_spi_serialbus),
        ACPI_AML_SIZE_LARGE(struct aml_resource_uart_serialbus),
+       ACPI_AML_SIZE_LARGE(struct aml_resource_csi2_serialbus),
 };
 
 /*

diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h
index 9bccac9..8e2319b 100644 (file)
--- a/include/acpi/acrestyp.h
+++ b/include/acpi/acrestyp.h
@@ -381,7 +381,7 @@ struct acpi_resource_gpio {
 #define ACPI_IO_RESTRICT_OUTPUT                 2
 #define ACPI_IO_RESTRICT_NONE_PRESERVE          3
 
-/* Common structure for I2C, SPI, and UART serial descriptors */
+/* Common structure for I2C, SPI, UART, CSI2 serial descriptors */
 
 #define ACPI_RESOURCE_SERIAL_COMMON \
        u8                                      revision_id; \
@@ -403,6 +403,7 @@ ACPI_RESOURCE_SERIAL_COMMON};
 #define ACPI_RESOURCE_SERIAL_TYPE_I2C           1
 #define ACPI_RESOURCE_SERIAL_TYPE_SPI           2
 #define ACPI_RESOURCE_SERIAL_TYPE_UART          3
+#define ACPI_RESOURCE_SERIAL_TYPE_CSI2          4
 
 /* Values for slave_mode field above */
 
@@ -505,6 +506,11 @@ struct acpi_resource_uart_serialbus {
 #define ACPI_UART_CLEAR_TO_SEND                 (1<<6)
 #define ACPI_UART_REQUEST_TO_SEND               (1<<7)
 
+struct acpi_resource_csi2_serialbus {
+       ACPI_RESOURCE_SERIAL_COMMON u8 local_port_instance;
+       u8 phy_type;
+};
+
 struct acpi_resource_pin_function {
        u8 revision_id;
        u8 pin_config;
@@ -634,6 +640,7 @@ union acpi_resource_data {
        struct acpi_resource_i2c_serialbus i2c_serial_bus;
        struct acpi_resource_spi_serialbus spi_serial_bus;
        struct acpi_resource_uart_serialbus uart_serial_bus;
+       struct acpi_resource_csi2_serialbus csi2_serial_bus;
        struct acpi_resource_common_serialbus common_serial_bus;
        struct acpi_resource_pin_function pin_function;
        struct acpi_resource_pin_config pin_config;