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删除目录「MPI_DSI」

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jf
2026-11-04 06:30:40 +00:00
parent 31b041bffe
commit 5bffc3c666
7 changed files with 0 additions and 2606 deletions
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MPI_DSI/0001-uboot-fix-mipi-panel-probe-reboot.patch
-195
View File
@@ -1,195 +0,0 @@
From 9f2a9e624b59f50ad0f4a47a63c659d3af31f30a Mon Sep 17 00:00:00 2001
From: BPI-M2C <bpi-m2c@local>
Date: Sun, 20 Sep 2026 12:00:00 +0800
Subject: [PATCH] uboot: sprd: fix MIPI panel probe failure reboot
When multiple panel nodes are probed, release IOVDD together with the
other panel GPIOs. Otherwise the next candidate fails with -EBUSY.
Handle power-on errors without attempting an ID read, and never continue
initializing the last candidate after all panel ID probes have failed.
Continuing after panel_slave_if_uinit() caused an access to the powered-off
DSI1 register block at 0x31400000 and a synchronous abort.
Also unwind GPIOs acquired by a partially failed power-on sequence and
check the selected init callback before invoking it.
---
drivers/video/sprd/panel-if/panel_ops_mipi.c | 31 ++++++++++++++++++++++++----
drivers/video/sprd/sprd_panel.c | 38 +++++++++++++++++---------
2 files changed, 52 insertions(+), 17 deletions(-)
--- a/drivers/video/sprd/panel-if/panel_ops_mipi.c
+++ b/drivers/video/sprd/panel-if/panel_ops_mipi.c
@@ -378,6 +378,10 @@
struct panel_info *info = &panel_device;
struct power_gpio *io = &info->power_pin;
int ret;
+ bool iovdd_requested = false;
+ bool avdd_requested = false;
+ bool avee_requested = false;
+ bool reset_requested = false;
if (!io->gpio_reset) {
pr_err("gpio_reset is NULL\n");
@@ -390,8 +394,9 @@
&power_iovdd, GPIOD_IS_OUT);
if (ret) {
pr_err("request sprd,lcd-iovdd-gpio fail:%d\n", ret);
- return ret;
+ goto power_on_failed;
}
+ iovdd_requested = true;
dm_gpio_set_value(&power_iovdd, 1);
mdelay(10);
}
@@ -401,8 +406,9 @@
&power_avdd, GPIOD_IS_OUT);
if (ret) {
pr_err("request sprd,lcd-avdd-gpio fail:%d\n", ret);
- return ret;
+ goto power_on_failed;
}
+ avdd_requested = true;
dm_gpio_set_value(&power_avdd, 1);
mdelay(info->power_gpio_delay);
}
@@ -412,8 +418,9 @@
&power_avee, GPIOD_IS_OUT);
if (ret) {
pr_err("request sprd,lcd-avee-gpio fail:%d\n", ret);
- return ret;
+ goto power_on_failed;
}
+ avee_requested = true;
dm_gpio_set_value(&power_avee, 1);
mdelay(20);
}
@@ -435,8 +442,9 @@
&power_reset, GPIOD_IS_OUT);
if (ret) {
pr_err("request sprd,lcd-reset-gpio fail:%d\n", ret);
- return ret;
+ goto power_on_failed;
}
+ reset_requested = true;
timing = info->power_on_seq.timing;
for (i = 0; i < info->power_on_seq.items; i++) {
@@ -463,10 +471,25 @@
dm_gpio_free(dev, &power_avdd);
dm_gpio_free(dev, &power_avee);
+ dm_gpio_free(dev, &power_iovdd);
dm_gpio_free(dev, &power_off);
}
#endif
return 0;
+
+#ifndef CONFIG_FPGA
+power_on_failed:
+ if (reset_requested)
+ dm_gpio_free(dev, &power_reset);
+ if (avee_requested)
+ dm_gpio_free(dev, &power_avee);
+ if (avdd_requested)
+ dm_gpio_free(dev, &power_avdd);
+ if (iovdd_requested)
+ dm_gpio_free(dev, &power_iovdd);
+
+ return ret;
+#endif
}
static int panel_set_brightness(int level)
--- a/drivers/video/sprd/sprd_panel.c
+++ b/drivers/video/sprd/sprd_panel.c
@@ -821,12 +821,13 @@
static int sprd_panel_probe(struct udevice *dev)
{
struct panel_info *info;
- struct sprd_panel_ops *ops;
+ struct sprd_panel_ops *ops = NULL;
u8 *info_addr;
int lcd_offset, offset;
int ret = -1;
int lcd_panel_offset = 0;
int info_size;
+ bool panel_powered;
struct udevice *panel_dev = NULL;
const void *fdt = gd->fdt_blob;
@@ -877,6 +878,7 @@
for (offset = fdt_first_subnode(fdt, lcd_offset);
offset >= 0; offset = fdt_next_subnode(fdt, offset)) {
+ panel_powered = false;
if (info) {
memset((uint8_t *)info_addr, 0, info_size);
of_parse_panel(fdt, offset, info);
@@ -890,7 +892,13 @@
ops = panel_drv->ops;
if (ops && ops->power) {
printf("enter power panel\n");
- ops->power(dev, true);
+ ret = ops->power(dev, true);
+ if (ret) {
+ pr_err("power on panel 0x%x failed: %d\n",
+ info->lcd_id, ret);
+ goto panel_probe_failed;
+ }
+ panel_powered = true;
}
if (ops && ops->read_id) {
@@ -903,7 +911,8 @@
}
}
- if (ops && ops->power) {
+panel_probe_failed:
+ if (panel_powered && ops && ops->power) {
ops->power(dev, false);
}
@@ -919,7 +928,7 @@
if (ret) {
pr_err("No Panel Attached!\n");
- //return -1;
+ return ret;
}
if (info->dual_dsi_en){
@@ -929,18 +938,21 @@
panel_if_init();
}
- if (ops && ops->init){
- if(info->mipi_port == 0){
+ if (info->mipi_port == 0) {
+ if (ops && ops->init)
ops->init();
- }
- else
+ } else {
+ if (ops && ops->slave_init)
ops->slave_init();
}
- if (info->dual_dsi_en){
- if(info->mipi_port == 0)
- ops->slave_init();
- else
- ops->init();
+ if (info->dual_dsi_en) {
+ if (info->mipi_port == 0) {
+ if (ops && ops->slave_init)
+ ops->slave_init();
+ } else {
+ if (ops && ops->init)
+ ops->init();
+ }
}
--
2.34.1
MPI_DSI/0002-uboot-auto-select-hdmi-or-mipi.patch
-197
View File
@@ -1,197 +0,0 @@
From: Codex <codex@openai.com>
Subject: [PATCH 2/2] video: sprd: select HDMI by sink EDID
The LT8912B is a DSI-to-HDMI bridge and does not answer a MIPI DCS panel
ID transaction. Its HPD status register also reads low before the bridge
has been fully configured, which caused a connected HDMI sink to be missed.
The 2h10 board routes HDMI DDC to AP I2C3. Enable HDMI power, read the
standard EDID header at address 0x50 using 100 kHz DDC, and select DSI0 only
when a real HDMI sink responds. Otherwise power the bridge down and continue
probing the ILI9881 panel on DSI1. HDMI has priority if both are connected.
---
arch/arm/dts/lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi | 9 +-
arch/arm/dts/uis7885_2h10.dts | 4 +
drivers/video/sprd/sprd_panel.c | 104 +++++++++++++++++++++-
3 files changed, 112 insertions(+), 5 deletions(-)
diff --git a/arch/arm/dts/lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi b/arch/arm/dts/lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi
--- a/arch/arm/dts/lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi
+++ b/arch/arm/dts/lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi
@@ -17,13 +17,14 @@
/* panel interface type: 2:MIPI; 3:SPI */
sprd,panel-if-type = <2>;
+ sprd,mipi-port = <0>;
sprd,video-lp-cmd-enable = <0>;
sprd,hporch-lp-disable = <1>;
- /*----Id register ----*/
- sprd,lcd-id-register = [F4];
- sprd,lcd-id-value-len = <1>;
- sprd,lcd-id-value = [96];
+ /* LT8912B has no MIPI DCS panel ID; detect the sink by EDID. */
+ sprd,detect-lt8912b-hdmi;
+ sprd,hdmi-ddc-i2c-bus = <3>;
+ sprd,hdmi-ddc-i2c-addr = <0x50>;
sprd,lcd-id-tokernel = <0x96>;
sprd,reset-on-sequence = <1 5>, <0 5>, <1 5>, <0 5>, <1 20>;
diff --git a/arch/arm/dts/uis7885_2h10.dts b/arch/arm/dts/uis7885_2h10.dts
--- a/arch/arm/dts/uis7885_2h10.dts
+++ b/arch/arm/dts/uis7885_2h10.dts
@@ -190,6 +190,10 @@
sprd,lcd-avdd-gpio = <&ap_gpio 153 GPIO_ACTIVE_HIGH>;
sprd,lcd-avee-gpio = <&ap_gpio 178 GPIO_ACTIVE_HIGH>;
sprd,lcd-reset-gpio = <&ap_gpio 152 GPIO_ACTIVE_HIGH>;
+
+ /* LT8912B HDMI bridge power and reset */
+ sprd,hdmi-power-gpio = <&ap_gpio 99 GPIO_ACTIVE_HIGH>;
+ sprd,hdmi-reset-gpio = <&ap_gpio 11 GPIO_ACTIVE_HIGH>;
};
lcd-video {
diff --git a/drivers/video/sprd/sprd_panel.c b/drivers/video/sprd/sprd_panel.c
--- a/drivers/video/sprd/sprd_panel.c
+++ b/drivers/video/sprd/sprd_panel.c
@@ -21,7 +21,10 @@
#include <fdtdec.h>
#include <asm/global_data.h>
#include <dm.h>
+#include <i2c.h>
#include <panel.h>
+#include <linux/delay.h>
+#include <asm-generic/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -30,6 +33,93 @@
static struct panel_driver lcd_drv;
struct panel_info panel_device;
+static int lt8912b_hdmi_detect(struct udevice *dev, const void *fdt,
+ int panel_offset)
+{
+ static const u8 edid_header[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
+ };
+ struct gpio_desc power_gpio;
+ struct gpio_desc reset_gpio;
+ struct udevice *chip;
+ u32 bus = 3, addr = 0x50;
+ u8 header[sizeof(edid_header)];
+ int retry;
+ int ret;
+
+ fdt_getprop_u32(fdt, panel_offset, "sprd,hdmi-ddc-i2c-bus", &bus);
+ fdt_getprop_u32(fdt, panel_offset, "sprd,hdmi-ddc-i2c-addr", &addr);
+
+ ret = gpio_request_by_name(dev, "sprd,hdmi-power-gpio", 0,
+ &power_gpio, GPIOD_IS_OUT);
+ if (ret) {
+ pr_err("LT8912B: request power gpio failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = gpio_request_by_name(dev, "sprd,hdmi-reset-gpio", 0,
+ &reset_gpio, GPIOD_IS_OUT);
+ if (ret) {
+ pr_err("LT8912B: request reset gpio failed: %d\n", ret);
+ dm_gpio_free(dev, &power_gpio);
+ return ret;
+ }
+
+ dm_gpio_set_value(&power_gpio, 1);
+ mdelay(5);
+ dm_gpio_set_value(&reset_gpio, 1);
+ mdelay(5);
+ dm_gpio_set_value(&reset_gpio, 0);
+ mdelay(5);
+ dm_gpio_set_value(&reset_gpio, 1);
+ mdelay(100);
+
+ ret = i2c_get_chip_for_busnum(bus, addr, 1, &chip);
+ if (ret) {
+ pr_err("LT8912B: cannot access HDMI DDC i2c%u addr 0x%x: %d\n",
+ bus, addr, ret);
+ goto not_connected;
+ }
+
+ /* EDID/DDC is standard-mode I2C. Some sinks reject a 400 kHz read. */
+ ret = dm_i2c_set_bus_speed(dev_get_parent(chip), 100000);
+ if (ret) {
+ pr_err("LT8912B: cannot set HDMI DDC speed: %d\n", ret);
+ goto not_connected;
+ }
+
+ for (retry = 0; retry < 3; retry++) {
+ memset(header, 0, sizeof(header));
+ ret = dm_i2c_read(chip, 0, header, sizeof(header));
+ /* The sprd I2C driver returns the transferred message count. */
+ if (ret >= 0 &&
+ !memcmp(header, edid_header, sizeof(edid_header)))
+ break;
+ mdelay(20);
+ }
+
+ if (retry == 3) {
+ pr_info("LT8912B: HDMI sink not detected by EDID "
+ "(ret=%d, header=%02x %02x %02x %02x %02x %02x %02x %02x)\n",
+ ret, header[0], header[1], header[2], header[3],
+ header[4], header[5], header[6], header[7]);
+ ret = -ENODEV;
+ goto not_connected;
+ }
+
+ pr_info("LT8912B: HDMI sink detected by EDID\n");
+ dm_gpio_free(dev, &reset_gpio);
+ dm_gpio_free(dev, &power_gpio);
+ return 0;
+
+not_connected:
+ dm_gpio_set_value(&reset_gpio, 0);
+ dm_gpio_set_value(&power_gpio, 0);
+ dm_gpio_free(dev, &reset_gpio);
+ dm_gpio_free(dev, &power_gpio);
+ return ret;
+}
+
#ifdef CONFIG_BACKLIGHT_I2C
void set_backlight(int brightness)
{
@@ -828,6 +914,7 @@ static int sprd_panel_probe(struct udevice *dev)
int lcd_panel_offset = 0;
int info_size;
bool panel_powered;
+ bool detect_lt8912b;
struct udevice *panel_dev = NULL;
const void *fdt = gd->fdt_blob;
@@ -884,13 +971,24 @@ static int sprd_panel_probe(struct udevice *dev)
of_parse_panel(fdt, offset, info);
of_parse_timing(fdt, offset, info);
}
+ detect_lt8912b = fdt_getprop(fdt, offset,
+ "sprd,detect-lt8912b-hdmi", NULL) != NULL;
//get ops
if(info->mipi_port == 0)
panel_if_init();
else
panel_slave_if_init();
ops = panel_drv->ops;
- if (ops && ops->power) {
+ if (detect_lt8912b) {
+ ret = lt8912b_hdmi_detect(dev, fdt, offset);
+ if (ret)
+ goto panel_probe_failed;
+
+ of_parse_initdata(fdt, offset, info);
+ printf("attach HDMI bridge 0x%x success\n",
+ info->lcd_id);
+ break;
+ } else if (ops && ops->power) {
printf("enter power panel\n");
ret = ops->power(dev, true);
if (ret) {
--
2.34.1
MPI_DSI/6f34ef4.diff
-1358
View File
File diff suppressed because it is too large Load Diff
MPI_DSI/9956636.diff
-29
View File
@@ -1,29 +0,0 @@
From 9956636e29506b65cbc3281e09fa1ff9128e1087 Mon Sep 17 00:00:00 2001
From: rui.zhang1 <rui.zhang1@unisoc.com>
Date: Fri, 11 Sep 2026 16:17:24 +0800
Subject: [PATCH] Bug #3548825 - bananapi(2c10) lcd ili9881c porting
[root cause ]: none
[changes ]:display
[side effects]:na
[self test ]:yes
[download normally]:yes
[power on/off normally]:yes
[do common repository/branch inspection]:na
[is there dependence]:na
[confirm dependent commit]:na
[board]:uis7885
[test case]:na
[reviewers]:jen.li,sunwen.he,junxiao.feng,haibing.liao,yang.li3,bo.zhou
commit_template_version:v1
Change-Id: I414daef8a61e46cb854ce06caecca7d9142fbdab
---
diff --git a/uis7885/unisoc_FHD_800_1280_24bit.bmp b/uis7885/unisoc_FHD_800_1280_24bit.bmp
new file mode 100755
index 0000000..ff4bb5a
--- /dev/null
+++ b/uis7885/unisoc_FHD_800_1280_24bit.bmp
Binary files differ
MPI_DSI/a1990df.diff
-717
View File
@@ -1,717 +0,0 @@
From a1990df8e3268324c787614d40ef2812190d21e7 Mon Sep 17 00:00:00 2001
From: sunwen.he <sunwen.he@unisoc.com>
Date: Fri, 10 Jul 2026 13:14:06 +0800
Subject: [PATCH] Bug #3548825 - bananapi(2c10) lcd ili9881c porting
[root cause ]: none
[changes ]: display
[side effects]: none
[self test ]: none
[download normally]: ok
[power on/off normally]: ok
[do common repository/branch inspection]: none
[is there dependence]: none
[confirm dependent commit]: none
[board]: uis7885
[test case]: selftest
[reviewers]: rui.zhang1 yang.li3 jen.li guangqiao.she bo.zhou
commit_template_version:v1
Change-Id: Idfcb0b7c166ab60178273af04a3bee90c0972437
Signed-off-by: sunwen.he <sunwen.he@unisoc.com>
---
diff --git a/arch/arm/dts/lcd/lcd_ili9881c_truly_mipi_wxga.dtsi b/arch/arm/dts/lcd/lcd_ili9881c_truly_mipi_wxga.dtsi
new file mode 100755
index 0000000..2c946c4
--- /dev/null
+++ b/arch/arm/dts/lcd/lcd_ili9881c_truly_mipi_wxga.dtsi
@@ -0,0 +1,265 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * ILI9881C Truly LCD config dtsi file
+ *
+ * Copyright (C) 2026, Unisoc Inc.
+ */
+
+/ { lcds {
+ lcd_ili9881c_truly_mipi_wxga: lcd_ili9881c_truly_mipi_wxga {
+
+ sprd,dsi-work-mode = <1>;
+ sprd,dsi-lane-number = <4>;
+ /*sprd,dual-dsi-en <1>;*/
+ sprd,dsi-color-format = "rgb888";
+
+ sprd,phy-bit-clock = <460800>;
+ sprd,phy-escape-clock = <20000>;/* kHz */
+ /* panel interface type: 2:MIPI; 3:SPI */
+ sprd,panel-if-type = <2>;
+ sprd,power-gpio-delay = <20>;
+ sprd,mipi-port = <1>;
+ /*sprd,dpi-clk-div = <8>;*/
+
+ /*sprd,dsi-switch = <1>;*/
+ /*----Id register ----*/
+ sprd,lcd-id-register = [00 01];
+ sprd,lcd-id-value-len = <1 1>;
+ sprd,lcd-id-value = [98 81];
+ sprd,lcd-id-command = [FF 98 81 01];
+ sprd,lcd-id-tokernel = <0x9881>;
+
+ /*---Bias Power---*/
+ /*sprd,power-i2c-bus = <5>;*/
+ /*sprd,power-i2c-addr = <0x3E>;*/
+ /*sprd,power-i2c-speed = <400000>;*/
+ /*sprd,power-i2c-reg = [00 01 03 FF];*/
+ /*sprd,power-i2c-val = [12 12 03 80];*/
+
+ sprd,reset-on-sequence = <1 5>, <0 5>, <1 20>;
+ sprd,reset-off-sequence = <0 20>;
+
+ sprd,use-dcs-write;
+ sprd,initial-command = [
+ 39 00 00 04 FF 98 81 03
+ 39 00 00 04 FF 98 81 03
+ 23 00 00 02 01 00
+ 23 00 00 02 02 00
+ 23 00 00 02 03 73
+ 23 00 00 02 04 13
+ 23 00 00 02 05 00
+ 23 00 00 02 06 0A
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+ 23 00 00 02 A7 1F
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+ 23 00 00 02 AA 2A
+ 23 00 00 02 AB 7B
+ 23 00 00 02 AC 1A
+ 23 00 00 02 AD 19
+ 23 00 00 02 AE 4E
+ 23 00 00 02 AF 24
+ 23 00 00 02 B0 29
+ 23 00 00 02 B1 4F
+ 23 00 00 02 B2 5C
+ 23 00 00 02 B3 23
+ 23 00 00 02 C0 00
+ 23 00 00 02 C1 17
+ 23 00 00 02 C2 26
+ 23 00 00 02 C3 13
+ 23 00 00 02 C4 16
+ 23 00 00 02 C5 29
+ 23 00 00 02 C6 1E
+ 23 00 00 02 C7 1F
+ 23 00 00 02 C8 8B
+ 23 00 00 02 C9 1D
+ 23 00 00 02 CA 2A
+ 23 00 00 02 CB 7B
+ 23 00 00 02 CC 1A
+ 23 00 00 02 CD 19
+ 23 00 00 02 CE 4E
+ 23 00 00 02 CF 24
+ 23 00 00 02 D0 29
+ 23 00 00 02 D1 4F
+ 23 00 00 02 D2 5C
+ 23 00 00 02 D3 23
+ 39 00 00 04 FF 98 81 00
+ 23 78 00 02 11 00
+ 23 32 00 02 29 00
+ ];
+
+ sprd,sleep-in-command = [
+ 13 0A 00 01 28
+ 13 78 00 01 10
+ ];
+ sprd,sleep-out-command = [
+ 13 78 00 01 11
+ 13 64 00 01 29
+ ];
+
+ display-timings {
+ timing0 {
+ clock-frequency = <64000000>;
+ hactive = <800>;
+ vactive = <1280>;
+ hback-porch = <8>;
+ hfront-porch = <24>;
+ vback-porch = <8>;
+ vfront-porch = <24>;
+ hsync-len = <18>;
+ vsync-len = <4>;
+
+ };
+ };
+ };
+};};
diff --git a/arch/arm/dts/uis7885_2c10.dts b/arch/arm/dts/uis7885_2c10.dts
index cd16e99..5fad283 100644
--- a/arch/arm/dts/uis7885_2c10.dts
+++ b/arch/arm/dts/uis7885_2c10.dts
@@ -7,8 +7,9 @@
#include <dt-bindings/gpio/gpio.h>
#include "ums9620.dtsi"
//#include "lcd/lcd_hx8279_revo_mipi.dtsi"
+//#include "lcd/lcd_dummy_mipi.dtsi"
+#include "lcd/lcd_ili9881c_truly_mipi_wxga.dtsi"
#include "lcd/lcd_lt8912b_bridge_mipi_fhd.dtsi"
-#include "lcd/lcd_dummy_mipi.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
diff --git a/arch/arm/dts/uis7885_2h10.dts b/arch/arm/dts/uis7885_2h10.dts
index 38a049e..259e999 100644
--- a/arch/arm/dts/uis7885_2h10.dts
+++ b/arch/arm/dts/uis7885_2h10.dts
@@ -6,10 +6,11 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "ums9620.dtsi"
-#include "lcd/lcd_g40396_truly_mipi_fhd.dtsi"
-#include "lcd/lcd_nt36672e_truly_mipi_fhd_nodsc.dtsi"
-#include "lcd/lcd_ili7806s_truly_mipi_hdplus.dtsi"
-#include "lcd/lcd_dummy_mipi.dtsi"
+//#include "lcd/lcd_g40396_truly_mipi_fhd.dtsi"
+//#include "lcd/lcd_nt36672e_truly_mipi_fhd_nodsc.dtsi"
+//#include "lcd/lcd_ili7806s_truly_mipi_hdplus.dtsi"
+#include "lcd/lcd_ili9881c_truly_mipi_wxga.dtsi"
+//#include "lcd/lcd_dummy_mipi.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
@@ -185,9 +186,10 @@
lcd-panel {
compatible = "sprd,generic-mipi-panel";
- sprd,lcd-avdd-gpio = <&ap_gpio 192 GPIO_ACTIVE_HIGH>;
- sprd,lcd-avee-gpio = <&ap_gpio 191 GPIO_ACTIVE_HIGH>;
- sprd,lcd-reset-gpio = <&ap_gpio 11 GPIO_ACTIVE_HIGH>;
+ sprd,lcd-iovdd-gpio = <&ap_gpio 187 GPIO_ACTIVE_HIGH>;
+ sprd,lcd-avdd-gpio = <&ap_gpio 153 GPIO_ACTIVE_HIGH>;
+ sprd,lcd-avee-gpio = <&ap_gpio 178 GPIO_ACTIVE_HIGH>;
+ sprd,lcd-reset-gpio = <&ap_gpio 152 GPIO_ACTIVE_HIGH>;
};
lcd-video {
@@ -205,7 +207,3 @@
pcbversion_gpio = <133>;
};
};
-
-&lcd_g40396_truly_mipi_fhd {
- sprd,power-i2c-bus = <6>;
-};
diff --git a/arch/arm/mach-sprd/include/sprd_panel.h b/arch/arm/mach-sprd/include/sprd_panel.h
index 23f75f7..3fb26e5 100644
--- a/arch/arm/mach-sprd/include/sprd_panel.h
+++ b/arch/arm/mach-sprd/include/sprd_panel.h
@@ -179,6 +179,7 @@
/* common parameters */
const char *lcd_name;
u8 type;
+ u8 mipi_port;
// uint8_t fps;
u16 width;
u16 height;
diff --git a/configs/uis7885_2h10_defconfig b/configs/uis7885_2h10_defconfig
index a5effb5..8f32d73 100644
--- a/configs/uis7885_2h10_defconfig
+++ b/configs/uis7885_2h10_defconfig
@@ -162,7 +162,7 @@
CONFIG_LOG_2_FLASH=y
CONFIG_LOG=y
-CONFIG_LOGLEVEL=4
+CONFIG_LOGLEVEL=7
CONFIG_WDT=y
# CONFIG_HW_WATCHDOG is not set
diff --git a/drivers/video/sprd/dispc/dpu_r6p0.c b/drivers/video/sprd/dispc/dpu_r6p0.c
index 0ef99ee..41ebc7a 100644
--- a/drivers/video/sprd/dispc/dpu_r6p0.c
+++ b/drivers/video/sprd/dispc/dpu_r6p0.c
@@ -1022,6 +1022,11 @@
/* disalbe halt enable for SPRD DSI */
reg_val |= BIT(16);
+ /* swap mipi0 & mipi1 output*/
+ if(panel->mipi_port == 1){
+ reg_val |= BIT(1);
+ }
+
if (panel->work_mode == SPRD_MIPI_MODE_CMD && panel->dsc_en)
reg_val |= BIT(0);
diff --git a/drivers/video/sprd/panel-if/panel_ops_mipi.c b/drivers/video/sprd/panel-if/panel_ops_mipi.c
index 77e1759..860b132 100644
--- a/drivers/video/sprd/panel-if/panel_ops_mipi.c
+++ b/drivers/video/sprd/panel-if/panel_ops_mipi.c
@@ -136,7 +136,6 @@
struct dsi_cmd_desc *cmds = (struct dsi_cmd_desc *)data;
int (*mipi_write)(struct sprd_dsi *dsi, u8 *param, u16 len) =
mipi_dsi_gen_write;
-
if (!cmds || !dsi)
return -1;
@@ -239,7 +238,6 @@
int ret;
#endif
struct panel_info *info = &panel_device;
-
dump_panel_info(info);
#ifdef CONFIG_LCDC_MIPI
@@ -249,7 +247,6 @@
printf("%s, mipi lcdc download init code success!\n", __func__);
#else
mipi_dsi_lp_cmd_enable(dsi, true);
-
mipi_dsi_send_cmds(dsi, info->cmds[CMD_CODE_INIT], info->cmds_len[CMD_CODE_INIT]);
if (info->work_mode == SPRD_MIPI_MODE_CMD) {
@@ -276,17 +273,24 @@
struct panel_info *info = &panel_device;
dump_panel_info(info);
-
+#ifdef CONFIG_LCDC_MIPI
+ //before send init code, may be lcdc_reset and dsi config and panel reset
+ ret = mipi_lcdc_send_cmds(info->cmds[CMD_CODE_INIT], info->cmds_len[CMD_CODE_INIT]);
+ if (!ret)
+ printf("%s, mipi lcdc download init code success!\n", __func__);
+#else
mipi_dsi_lp_cmd_enable(dsi, true);
-
+ mipi_dsi_send_cmds(dsi, info->cmds[CMD_CODE_INIT], info->cmds_len[CMD_CODE_INIT]);
if (info->work_mode == SPRD_MIPI_MODE_CMD)
mipi_dsi_set_work_mode(dsi, SPRD_MIPI_MODE_CMD);
- else
+ else{
mipi_dsi_set_work_mode(dsi, SPRD_MIPI_MODE_VIDEO);
-
+ if (info->video_lp_cmd_enable)
+ mipi_dsi_lp_cmd_enable(dsi, true);
+ }
mipi_dsi_state_reset(dsi);
mipi_dphy_hs_clk_en(dphy, true);
-
+#endif
pr_info("Set Slave Status Success!\n");
return 0;
@@ -307,7 +311,8 @@
int read_len = 0;
struct udevice *panel_dev = NULL;
int ret;
-
+ if(info->mipi_port == 1)
+ dsi = &dsi_slave_device;
ret = uclass_get_device(UCLASS_PANEL, 0, &panel_dev);
if (ret) {
pr_info("can't get panel parse dts\n");
@@ -363,8 +368,8 @@
info->cmds_len[CMD_CODE_READ_ID]);
}
- mipi_dsi_set_max_return_size(dsi, id->val_items);
-
+ //mipi_dsi_set_max_return_size(dsi, id->val_items);
+ mipi_dsi_set_max_return_size(dsi, 1);
//Read LCM Register ID
for (i = 0; i < id->reg_items; i++) {
int t = 0;
diff --git a/drivers/video/sprd/qogirn6pro/global_dphy.c b/drivers/video/sprd/qogirn6pro/global_dphy.c
index 5921f49..3d8e41a 100644
--- a/drivers/video/sprd/qogirn6pro/global_dphy.c
+++ b/drivers/video/sprd/qogirn6pro/global_dphy.c
@@ -39,9 +39,13 @@
static void dphy_s_glb_enable(struct dphy_context *ctx)
{
/* dual-dphy use the same pll*/
- sci_glb_set(SPRD_AON_ANLG_PHY_G3_PHYS + 0x64, BIT(29) | BIT(30) | BIT(31));
- sci_glb_clr(SPRD_AON_ANLG_PHY_G3_PHYS, BIT(1));
- sci_glb_set(SPRD_AON_ANLG_PHY_G3_PHYS, BIT(0) | BIT(2));
+ if(ctx->mipi_port == 1)
+ sci_glb_set(SPRD_AON_ANLG_PHY_G3_PHYS, BIT(1));
+ else{
+ sci_glb_set(SPRD_AON_ANLG_PHY_G3_PHYS + 0x64, BIT(29) | BIT(30) | BIT(31));
+ sci_glb_clr(SPRD_AON_ANLG_PHY_G3_PHYS, BIT(1));
+ sci_glb_set(SPRD_AON_ANLG_PHY_G3_PHYS, BIT(0) | BIT(2));
+ }
sci_glb_set(SPRD_DPU_VSP_APB_REG_PHYS + 0x1c, BIT(2) | BIT(3));
}
diff --git a/drivers/video/sprd/qogirn6pro/global_dsi.c b/drivers/video/sprd/qogirn6pro/global_dsi.c
index ad71123..aaa3274 100644
--- a/drivers/video/sprd/qogirn6pro/global_dsi.c
+++ b/drivers/video/sprd/qogirn6pro/global_dsi.c
@@ -83,7 +83,7 @@
.reset = dsi_s_reset,
.enable = dsi_s_glb_enable,
.disable = dsi_s_glb_disable,
- .power = NULL,
+ .power = dsi_power_domain,
};
struct dsi_glb_ops *dsi_glb_ops_attach(void)
diff --git a/drivers/video/sprd/sprd_dphy.c b/drivers/video/sprd/sprd_dphy.c
index 9107d60..172025d 100644
--- a/drivers/video/sprd/sprd_dphy.c
+++ b/drivers/video/sprd/sprd_dphy.c
@@ -120,6 +120,7 @@
dphy->ctx.freq = dphy->panel->phy_freq;
dphy->ctx.lanes = dphy->panel->lane_num;
dphy->ctx.is_dsi_switch = dphy->panel->is_dsi_switch;
+ dphy->ctx.mipi_port = dphy->panel->mipi_port;
return 0;
}
diff --git a/drivers/video/sprd/sprd_dphy.h b/drivers/video/sprd/sprd_dphy.h
index 32c502a..830e1edc 100644
--- a/drivers/video/sprd/sprd_dphy.h
+++ b/drivers/video/sprd/sprd_dphy.h
@@ -25,6 +25,7 @@
u8 lanes;
u8 id;
bool is_dsi_switch;
+ u32 mipi_port;
};
struct dphy_pll_ops {
diff --git a/drivers/video/sprd/sprd_main.c b/drivers/video/sprd/sprd_main.c
index f6d6972..4d0358f 100644
--- a/drivers/video/sprd/sprd_main.c
+++ b/drivers/video/sprd/sprd_main.c
@@ -285,7 +285,6 @@
#else
int ret;
struct udevice *pwm = NULL;
-
if (brightness > 250) {
brightness = 250;
pr_info("brightness exceed limit value set maxvalue\n");
@@ -294,8 +293,7 @@
ret = uclass_get_device(UCLASS_PWM, 0, &pwm);
if (ret)
- pr_err("Can't get pwm: %d\n", ret);
-
+ pr_err("Can't get pwm: %d\n", ret);
pwm_set_config(pwm, 0, 10000, value);
#endif
}
@@ -423,6 +421,7 @@
sci_glb_clr(REG_AON_APB_APB_EB1, BIT_AON_APB_AON_CAM_EB);
#endif
}
+
set_backlight(backlight_value);
#endif
backlight_on_time = sprd_get_tick_count();
@@ -430,6 +429,8 @@
uboot_consume_time = backlight_on_time - uboot_start_time;
printf("uboot consume time:%dms, lcd init consume:%dms, backlight on time:%dms\n",
uboot_consume_time, lcd_init_time, backlight_on_time);
+
+ //while(1){}
}
int get_logo_bin_info(u8 *bmp, char *logo_part_name)
diff --git a/drivers/video/sprd/sprd_panel.c b/drivers/video/sprd/sprd_panel.c
index a73c239..b6c9b88 100644
--- a/drivers/video/sprd/sprd_panel.c
+++ b/drivers/video/sprd/sprd_panel.c
@@ -116,6 +116,7 @@
case SPRD_PANEL_TYPE_MIPI:
sprd_dsi_slave_probe();
sprd_dphy_slave_probe();
+ panel_drv->ops = mipi_ops_attach();
return 0;
case SPRD_PANEL_TYPE_SPI:
@@ -155,6 +156,31 @@
return -1;
}
}
+static int panel_slave_if_uinit(struct udevice *dev)
+{
+ int type = panel_drv->info->type;
+
+ switch (type) {
+ case SPRD_PANEL_TYPE_MIPI:
+ sprd_dphy_suspend(&dphy_slave_device);
+ sprd_dsi_suspend(&dsi_slave_device);
+ panel_drv->ops = NULL;
+ return 0;
+
+ case SPRD_PANEL_TYPE_SPI:
+ panel_drv->ops = NULL;
+#ifdef CONFIG_LCDC_R1P0
+ dm_gpio_free(dev, &panel_device.spi_cd_pin);
+#endif
+ return 0;
+ case SPRD_PANEL_TYPE_RGB:
+ return 0;
+
+ default:
+ pr_err("doesn't support current interface type %d\n", type);
+ return -1;
+ }
+}
int fdt_getprop_u32(const void *fdt, int off, const char *prop, u32 *dflt)
{
@@ -252,6 +278,7 @@
const void *str = NULL;
#ifdef CONFIG_LCDC_R1P0
+
str = fdt_getprop(fdt, offset, "init-data", &len);
if (!str) {
pr_err("can't get init-data\n");
@@ -276,6 +303,7 @@
info->cmds[CMD_CODE_SLEEP_OUT] = str;
info->cmds_len[CMD_CODE_SLEEP_OUT] = len;
#else
+
str = fdt_getprop(fdt, offset, "sprd,initial-command", &len);
if (!str) {
pr_err("Can't get sprd,initial-command\n");
@@ -656,7 +684,12 @@
if (!ret)
info->bias_volt.i2c_speed = val;
}
-
+ ret = fdt_getprop_u32(fdt, offset, "sprd,mipi-port", &val);
+ if (!ret)
+ info->mipi_port = val;
+ else
+ info->mipi_port = 0;
+ pr_info("lcd info->mipi_port=%d\n",info->mipi_port);
/*------If Use Panel internal backlight-------*/
ret = fdt_getprop_u32(fdt, offset, "sprd,bl-i2c-bus", &val);
if (!ret) {
@@ -850,7 +883,10 @@
of_parse_timing(fdt, offset, info);
}
//get ops
- panel_if_init();
+ if(info->mipi_port == 0)
+ panel_if_init();
+ else
+ panel_slave_if_init();
ops = panel_drv->ops;
if (ops && ops->power) {
printf("enter power panel\n");
@@ -859,7 +895,8 @@
if (ops && ops->read_id) {
ret = ops->read_id();
- if (!ret) {
+ if (!ret)
+ {
of_parse_initdata(fdt, offset, info);
printf("attach panel 0x%x success\n",
info->lcd_id);
@@ -869,8 +906,10 @@
if (ops && ops->power)
ops->power(dev, false);
-
- panel_if_uinit(panel_dev);
+ if(info->mipi_port == 0)
+ panel_if_uinit(panel_dev);
+ else
+ panel_slave_if_uinit(panel_dev);
pr_err("Try to attach panel 0x%x failed, try next...\n",
info->lcd_id);
@@ -878,17 +917,31 @@
if (ret) {
pr_err("No Panel Attached!\n");
- return -1;
+ //return -1;
}
- if (info->dual_dsi_en)
- panel_slave_if_init();
+ if (info->dual_dsi_en){
+ if(info->mipi_port == 0)
+ panel_slave_if_init();
+ else
+ panel_if_init();
+ }
- if (ops && ops->init)
- ops->init();
+ if (ops && ops->init){
+ if(info->mipi_port == 0){
+ ops->init();
+ }
+ else
+ ops->slave_init();
+ }
+ if (info->dual_dsi_en){
+ if(info->mipi_port == 0)
+ ops->slave_init();
- if (info->dual_dsi_en)
- ops->slave_init();
+ else
+ ops->init();
+ }
+
panel_info.vl_row = info->height;
panel_info.vl_col = info->width;
MPI_DSI/ca1b8a9.diff
-49
View File
@@ -1,49 +0,0 @@
From ca1b8a9dbb9deb50b82a4716afe2101039efd05b Mon Sep 17 00:00:00 2001
From: rui.zhang1 <rui.zhang1@unisoc.com>
Date: Fri, 11 Sep 2026 16:23:15 +0800
Subject: [PATCH] Bug #3548825 - bananapi(2c10) lcd ili9881c porting
[root cause ]: na
[changes ]:display
[side effects]:na
[self test ]:yes
[download normally]:yes
[power on/off normally]:yes
[do common repository/branch inspection]:na
[is there dependence]:na
[confirm dependent commit]:na
[board]:uis7885
[test case]:na
[reviewers]:bo.zou,jen.li,sunsen.he,haibing.liao,yang.li3
commit_template_version:v1
Change-Id: I9924e302b503a985bd64a8f329b5077fe3370c9b
---
diff --git a/uis7885-2c10-uboot22.ini b/uis7885-2c10-uboot22.ini
index 254d138..2cb8efe 100755
--- a/uis7885-2c10-uboot22.ini
+++ b/uis7885-2c10-uboot22.ini
@@ -54,8 +54,8 @@
Recovery=1@./out/target/product/uis7885-2c10/recovery-sign.img
System=1@./out/target/product/uis7885-2c10/rootfs.ext4
UserData=1@./out/target/product/uis7885-2c10/userdata.img
-BootLogo=1@./out/target/product/uis7885-2c10/unisoc_FHD_1200_1920_24bit.bmp
-Fastboot_Logo=1@./out/target/product/uis7885-2c10/unisoc_FHD_1200_1920_24bit.bmp
+BootLogo=1@./out/target/product/uis7885-2c10/unisoc_FHD_800_1280_24bit.bmp
+Fastboot_Logo=1@./out/target/product/uis7885-2c10/unisoc_FHD_800_1280_24bit.bmp
EreaseRunTimeNV_WLTE=1@
EraseMisc=1@
SML=1@./out/target/product/uis7885-2c10/sml-sign.bin
@@ -97,8 +97,8 @@
RecoverySystem=1@./out/target/product/uis7885-2c10/recovery-rootfs.ext4
System=1@./out/target/product/uis7885-2c10/rootfs.ext4
UserData=1@./out/target/product/uis7885-2c10/userdata.img
-BootLogo=1@./out/target/product/uis7885-2c10/unisoc_FHD_1200_1920_24bit.bmp
-Fastboot_Logo=1@./out/target/product/uis7885-2c10/unisoc_FHD_1200_1920_24bit.bmp
+BootLogo=1@./out/target/product/uis7885-2c10/unisoc_FHD_800_1280_24bit.bmp
+Fastboot_Logo=1@./out/target/product/uis7885-2c10/unisoc_FHD_800_1280_24bit.bmp
EreaseRunTimeNV_WLTE=1@
EraseMisc=1@
SML=1@./out/target/product/uis7885-2c10/sml-sign.bin
MPI_DSI/f8213bde.diff
-61
View File
@@ -1,61 +0,0 @@
From f8213bde56abdecf571069955ba35f882412a20a Mon Sep 17 00:00:00 2001
From: rui.zhang1 <rui.zhang1@unisoc.com>
Date: Fri, 11 Sep 2026 16:27:13 +0800
Subject: [PATCH] Bug #3548825 - bananapi(2c10) lcd ili9881c porting
[root cause ]: na
[changes ]:display
[side effects]:na
[self test ]:yes
[download normally]:yes
[power on/off normally]:yes
[do common repository/branch inspection]:na
[is there dependence]:na
[confirm dependent commit]:na
[board]:uis7885
[test case]:na
[reviewers]:bo.zhou,jen.li,sunwen.he,haibing.liao,yang.li3
commit_template_version:v1
Change-Id: Idb9270b1cbf3d95fe746b0d8a2bfdbfc358f1b9b
---
diff --git a/recipes-kernel/linux/linux-unisoc-5.4/uis7885/uis7885-2c10-overlay.dts b/recipes-kernel/linux/linux-unisoc-5.4/uis7885/uis7885-2c10-overlay.dts
index 19e9b39..2e3048a 100755
--- a/recipes-kernel/linux/linux-unisoc-5.4/uis7885/uis7885-2c10-overlay.dts
+++ b/recipes-kernel/linux/linux-unisoc-5.4/uis7885/uis7885-2c10-overlay.dts
@@ -9,6 +9,7 @@
#include "lcd/lcd_nt36672e_truly_mipi_fhd_nodsc.dtsi"
#include "lcd/lcd_lt8912b_bridge_mipi_fhd.dtsi"
#include "lcd/lcd_dummy_mipi.dtsi"
+#include "lcd/lcd_ili9881c_truly_mipi_wxga.dtsi"
//#include "tp/ums9620-tp.dtsi"
#include "tp/uis7885-gt9xx-tp.dtsi"
#include <dt-bindings/mfd/sprd,ump9620-regs.h>
@@ -572,14 +573,22 @@
reset-gpio = <&ap_gpio 11 GPIO_ACTIVE_HIGH>;
};
+&panel1 {
+ sprd,backlight = <&pwm_backlight>;
+ avdd-gpio = <&ap_gpio 153 GPIO_ACTIVE_HIGH>;
+ avee-gpio = <&ap_gpio 178 GPIO_ACTIVE_HIGH>;
+ iovdd-gpio = <&ap_gpio 187 GPIO_ACTIVE_HIGH>;
+ reset-gpio = <&ap_gpio 152 GPIO_ACTIVE_HIGH>;
+};
+
&dpu {
sprd,logo-memory = <&logo_reserved>;
sprd,backlight = <&pwm_backlight>;
};
-&lcd_g40396_truly_mipi_fhd {
- sprd,sr-width = <720>;
- sprd,sr-height = <1600>;
+&lcd_ili9881c_truly_mipi_wxga {
+ sprd,sr-width = <800>;
+ sprd,sr-height = <1280>;
};
&vddwpa {