dma-mapping: Use any dma_range_map for phys to DMA

Device Tree properties ranges and dma-ranges describe address mappings
required when moving between buses. Ensure this translation happens when
mapping MMIO addresses for DMA accesses.

This commit replaces another downstream commit that no longer applies as
of 6.18:

  dma-direct: take dma-ranges/offsets into account in resource mapping

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

arch/arm/boot/dts/overlays/README

@@ -5761,6 +5761,7 @@ Params: 3_4_inch_c              3.4" 800x800 2lane
         5_5_inch_a              5.5" 720x1280 2lane
         7_0_inch_a              7.0" A 720x1280 2lane
         7_0_inch_b              7.0" B 720x1280 2lane
+        7_0_inch_c              7.0" C 1024x600 2lane
         8_0_inch_a              8.0" 800x1280 2lane
         8_0_inch_a_4lane        8.0" 800x1280 4lane
         8_8_inch_a              8.8" 480x1920 2lane

arch/arm/boot/dts/overlays/tc358743-overlay.dts

@@ -8,7 +8,7 @@
 / {
 	compatible = "brcm,bcm2835";
 
-	fragment@100 {
+	legacy_frag: fragment@100 {
 		target = <&csi1>;
 		__overlay__ {
 			compatible = "brcm,bcm2835-unicam-legacy";
@@ -17,5 +17,12 @@
 
 	__overrides__ {
 		media-controller = <0>,"!100";
+		// Overwrites the cam0 override from tc358743.dtsi as we need to
+		// update legacy_frag.
+		cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
+		       <&csi_frag>, "target:0=",<&csi0>,
+		       <&clk_frag>, "target:0=",<&cam0_clk>,
+		       <&tc358743>, "clocks:0=",<&cam0_clk>,
+		       <&legacy_frag>, "target:0=",<&csi0>;
 	};
 };

arch/arm/boot/dts/overlays/vc4-kms-dsi-waveshare-panel-v2-overlay.dts

@@ -84,6 +84,7 @@
 		5_5_inch_a = <&dsi_panel>, "compatible=waveshare,5.5-dsi-touch-a";
 		7_0_inch_a = <&dsi_panel>, "compatible=waveshare,7.0-dsi-touch-a";
 		7_0_inch_b = <&dsi_panel>, "compatible=waveshare,7.0-dsi-touch-b";
+		7_0_inch_c = <&dsi_panel>, "compatible=waveshare,7.0-dsi-touch-c";
 		8_0_inch_a = <&dsi_panel>, "compatible=waveshare,8.0-dsi-touch-a";
 		8_0_inch_a_4lane = <&dsi_panel>, "compatible=waveshare,8.0-dsi-touch-a-4lane";
 		8_8_inch_a = <&dsi_panel>, "compatible=waveshare,8.8-dsi-touch-a";

drivers/gpu/drm/panel/panel-waveshare-dsi-v2.c

@@ -1374,6 +1374,25 @@ static const struct panel_init_cmd ws_panel_7_a_init[] = {
 	{},
 };
 
+static const struct panel_init_cmd ws_panel_7_c_init[] = {
+	_INIT_DCS_CMD(0x80, 0x8B),
+	_INIT_DCS_CMD(0x81, 0x78),
+	_INIT_DCS_CMD(0x82, 0x84),
+	_INIT_DCS_CMD(0x83, 0x88),
+	_INIT_DCS_CMD(0x84, 0xA8),
+	_INIT_DCS_CMD(0x85, 0xE3),
+	_INIT_DCS_CMD(0x86, 0x88),
+	_INIT_DCS_CMD(0x87, 0x5A),
+	_INIT_DCS_CMD(0xB0, 0x80),
+	_INIT_DCS_CMD(0xB1, 0x30),
+	_INIT_DCS_CMD(0xB2, 0x50),
+	_INIT_DCS_CMD(0x11),
+	_INIT_DELAY_CMD(120),
+	_INIT_DCS_CMD(0x29),
+	_INIT_DELAY_CMD(20),
+	{},
+};
+
 static const struct panel_init_cmd ws_panel_5_5_a_init[] = {
 	_INIT_DCS_CMD(0xB9, 0xFF, 0x83, 0x94),
 	_INIT_DCS_CMD(0xBA, 0x61, 0x03, 0x68, 0x6B, 0xB2, 0xC0),
@@ -1902,6 +1921,20 @@ static const struct drm_display_mode ws_panel_7_a_mode = {
 	.height_mm = 154,
 };
 
+static const struct drm_display_mode ws_panel_7_c_mode = {
+	.clock = 51700,
+	.hdisplay = 1024,
+	.hsync_start = 1024 + 160,
+	.hsync_end = 1024 + 160 + 10,
+	.htotal = 1024 + 160 + 10 + 160,
+	.vdisplay = 600,
+	.vsync_start = 600 + 12,
+	.vsync_end = 600 + 12 + 1,
+	.vtotal = 600 + 12 + 1 + 23,
+	.width_mm = 154,
+	.height_mm = 85,
+};
+
 static const struct drm_display_mode ws_panel_5_5_a_mode = {
 	.clock = 65000,
 	.hdisplay = 720,
@@ -2201,6 +2234,15 @@ static const struct ws_panel_desc ws_panel_7_inch_a_desc = {
 	.format = MIPI_DSI_FMT_RGB888,
 };
 
+static const struct ws_panel_desc ws_panel_7_inch_c_desc = {
+	.init = ws_panel_7_c_init,
+	.mode = &ws_panel_7_c_mode,
+	.mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |
+		      MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS,
+	.lanes = 2,
+	.format = MIPI_DSI_FMT_RGB888,
+};
+
 static const struct ws_panel_desc ws_panel_5_5_inch_a_desc = {
 	.init = ws_panel_5_5_a_init,
 	.mode = &ws_panel_5_5_a_mode,
@@ -2258,6 +2300,7 @@ static const struct of_device_id ws_panel_of_match[] = {
 	{ .compatible = "waveshare,8.0-dsi-touch-a", &ws_panel_8_inch_a_desc },
 	{ .compatible = "waveshare,7.0-dsi-touch-a", &ws_panel_7_inch_a_desc },
 	{ .compatible = "waveshare,7.0-dsi-touch-b", &ws_panel_7_inch_a_desc },
+	{ .compatible = "waveshare,7.0-dsi-touch-c", &ws_panel_7_inch_c_desc },
 	{ .compatible = "waveshare,5.5-dsi-touch-a",
 	  &ws_panel_5_5_inch_a_desc },
 	{ .compatible = "waveshare,5.0-dsi-touch-a", &ws_panel_5_inch_a_desc },