bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 214 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0650-Support-RPi-DPI-interface-in-mode6-for-18-bit-color.patch b/target/linux/bcm27xx/patches-5.10/950-0650-Support-RPi-DPI-interface-in-mode6-for-18-bit-color.patch
new file mode 100644
index 0000000000..56a1e6862b
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0650-Support-RPi-DPI-interface-in-mode6-for-18-bit-color.patch
@@ -0,0 +1,214 @@
+From 16edbdfde51fc3180cecb00ad0aa311bd4567650 Mon Sep 17 00:00:00 2001
+From: Joerg Quinten <aBUGSworstnightmare@gmail.com>
+Date: Fri, 18 Jun 2021 13:02:29 +0200
+Subject: [PATCH] Support RPi DPI interface in mode6 for 18-bit color
+
+A matching media bus format was added and an overlay for using it,
+both with FB and VC4 was added as well.
+
+Signed-off-by: Joerg Quinten <aBUGSworstnightmare@gmail.com>
+---
+ .../bindings/display/panel/panel-simple.yaml  |  2 +
+ .../media/v4l/subdev-formats.rst              | 74 +++++++++++++++++++
+ drivers/gpu/drm/panel/panel-simple.c          | 35 +++++++++
+ drivers/gpu/drm/vc4/vc4_dpi.c                 | 10 +++
+ include/uapi/linux/media-bus-format.h         |  4 +-
+ 5 files changed, 124 insertions(+), 1 deletion(-)
+
+--- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
++++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
+@@ -147,6 +147,8 @@ properties:
+       - ivo,m133nwf4-r0
+         # Innolux AT043TN24 4.3" WQVGA TFT LCD panel
+       - innolux,at043tn24
++        # Innolux AT056tN53V1 5.6" VGA (640x480) TFT LCD panel
++      - innolux,at056tn53v1
+         # Innolux AT070TN92 7.0" WQVGA TFT LCD panel
+       - innolux,at070tn92
+         # Innolux G070Y2-L01 7" WVGA (800x480) TFT LCD panel
+--- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
++++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
+@@ -908,6 +908,43 @@ The following tables list existing packe
+       - g\ :sub:`5`
+       - g\ :sub:`4`
+       - g\ :sub:`3`
++    * .. _MEDIA-BUS-FMT-BGR666-1X18:
++
++      - MEDIA_BUS_FMT_RGB666_1X18
++      - 0x101f
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      - b\ :sub:`5`
++      - b\ :sub:`4`
++      - b\ :sub:`3`
++      - b\ :sub:`2`
++      - b\ :sub:`1`
++      - b\ :sub:`0`
++      - g\ :sub:`5`
++      - g\ :sub:`4`
++      - g\ :sub:`3`
++      - g\ :sub:`2`
++      - g\ :sub:`1`
++      - g\ :sub:`0`
++      - r\ :sub:`5`
++      - r\ :sub:`4`
++      - r\ :sub:`3`
++      - r\ :sub:`2`
++      - r\ :sub:`1`
++      - r\ :sub:`0`
+     * .. _MEDIA-BUS-FMT-RGB666-1X18:
+ 
+       - MEDIA_BUS_FMT_RGB666_1X18
+@@ -982,6 +1019,43 @@ The following tables list existing packe
+       - g\ :sub:`2`
+       - g\ :sub:`1`
+       - g\ :sub:`0`
++    * .. _MEDIA-BUS-FMT-BGR666-1X24_CPADHI:
++
++      - MEDIA_BUS_FMT_BGR666_1X24_CPADHI
++      - 0x101e
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      -
++      - 0
++      - 0
++      - b\ :sub:`5`
++      - b\ :sub:`4`
++      - b\ :sub:`3`
++      - b\ :sub:`2`
++      - b\ :sub:`1`
++      - b\ :sub:`0`
++      - 0
++      - 0
++      - g\ :sub:`5`
++      - g\ :sub:`4`
++      - g\ :sub:`3`
++      - g\ :sub:`2`
++      - g\ :sub:`1`
++      - g\ :sub:`0`
++      - 0
++      - 0
++      - r\ :sub:`5`
++      - r\ :sub:`4`
++      - r\ :sub:`3`
++      - r\ :sub:`2`
++      - r\ :sub:`1`
++      - r\ :sub:`0`
+     * .. _MEDIA-BUS-FMT-RGB666-1X24_CPADHI:
+ 
+       - MEDIA_BUS_FMT_RGB666_1X24_CPADHI
+--- a/drivers/gpu/drm/panel/panel-simple.c
++++ b/drivers/gpu/drm/panel/panel-simple.c
+@@ -2093,6 +2093,38 @@ static const struct panel_desc innolux_a
+ 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
+ };
+ 
++static const struct display_timing innolux_at056tn53v1_timing = {
++	.pixelclock = { 39700000, 39700000, 39700000},
++	.hactive = { 640, 640, 640 },
++	.hfront_porch = { 16, 16, 16 },
++	.hback_porch = { 134, 134, 134 },
++	.hsync_len = { 10, 10, 10},
++	.vactive = { 480, 480, 480 },
++	.vfront_porch = { 32, 32, 32},
++	.vback_porch = { 11, 11, 11 },
++	.vsync_len = { 2, 2, 2 },
++	.flags = DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_PHSYNC,
++};
++
++static const struct panel_desc innolux_at056tn53v1 = {
++	.timings = &innolux_at056tn53v1_timing,
++	.num_timings = 1,
++	.bpc = 6,
++	.size = {
++		.width = 112,
++		.height = 84,
++	},
++	.delay = {
++		.prepare = 50,
++		.enable = 200,
++		.disable = 110,
++		.unprepare = 200,
++	},
++	.bus_format = MEDIA_BUS_FMT_BGR666_1X24_CPADHI,
++	.bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE,
++	.connector_type = DRM_MODE_CONNECTOR_DPI,
++};
++
+ static const struct drm_display_mode innolux_at070tn92_mode = {
+ 	.clock = 33333,
+ 	.hdisplay = 800,
+@@ -4076,6 +4108,9 @@ static const struct of_device_id platfor
+ 		.compatible = "innolux,at043tn24",
+ 		.data = &innolux_at043tn24,
+ 	}, {
++		.compatible = "innolux,at056tn53v1",
++		.data = &innolux_at056tn53v1,
++	}, {
+ 		.compatible = "innolux,at070tn92",
+ 		.data = &innolux_at070tn92,
+ 	}, {
+--- a/drivers/gpu/drm/vc4/vc4_dpi.c
++++ b/drivers/gpu/drm/vc4/vc4_dpi.c
+@@ -165,10 +165,20 @@ static void vc4_dpi_encoder_enable(struc
+ 			dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2,
+ 					       DPI_FORMAT);
+ 			break;
++		case MEDIA_BUS_FMT_BGR666_1X24_CPADHI:
++			dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2,
++					       DPI_FORMAT);
++			dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER);
++			break;
+ 		case MEDIA_BUS_FMT_RGB666_1X18:
+ 			dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1,
+ 					       DPI_FORMAT);
+ 			break;
++		case MEDIA_BUS_FMT_BGR666_1X18:
++			dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1,
++					       DPI_FORMAT);
++			dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER);
++			break;
+ 		case MEDIA_BUS_FMT_RGB565_1X16:
+ 			dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3,
+ 					       DPI_FORMAT);
+--- a/include/uapi/linux/media-bus-format.h
++++ b/include/uapi/linux/media-bus-format.h
+@@ -34,7 +34,7 @@
+ 
+ #define MEDIA_BUS_FMT_FIXED			0x0001
+ 
+-/* RGB - next is	0x101d */
++/* RGB - next is	0x1020 */
+ #define MEDIA_BUS_FMT_RGB444_1X12		0x1016
+ #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE	0x1001
+ #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE	0x1002
+@@ -45,8 +45,10 @@
+ #define MEDIA_BUS_FMT_BGR565_2X8_LE		0x1006
+ #define MEDIA_BUS_FMT_RGB565_2X8_BE		0x1007
+ #define MEDIA_BUS_FMT_RGB565_2X8_LE		0x1008
++#define MEDIA_BUS_FMT_BGR666_1X18		0x101f
+ #define MEDIA_BUS_FMT_RGB666_1X18		0x1009
+ #define MEDIA_BUS_FMT_RBG888_1X24		0x100e
++#define MEDIA_BUS_FMT_BGR666_1X24_CPADHI	0x101e
+ #define MEDIA_BUS_FMT_RGB666_1X24_CPADHI	0x1015
+ #define MEDIA_BUS_FMT_RGB666_1X7X3_SPWG		0x1010
+ #define MEDIA_BUS_FMT_BGR888_1X24		0x1013