From: NekoRouter <nekorouter@NRMacbookPro.local>
Date: Sun, 11 Jun 2023 04:00:04 +0000 (+0800)
Subject: Add MIPI panel driver, MIPI panel and touch controller Kconfig, New devicetree file
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d753a8dfc9f9755dbba17dac05af1252fb910d6;p=platform%2Fkernel%2Flinux-thead.git

Add MIPI panel driver, MIPI panel and touch controller Kconfig, New devicetree file

(cherry picked from commit 99a459c9f7964f8963d5d30d67cadace3bb18654)
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/.github/workflows/kernel.yml b/.github/workflows/kernel.yml
index 8b4dba466765..981c1b29b69e 100644
--- a/.github/workflows/kernel.yml
+++ b/.github/workflows/kernel.yml
@@ -88,7 +88,7 @@ jobs:
                 sudo cp -v ${{ matrix.board }}-kernel-commitid ${GITHUB_WORKSPACE}/rootfs/boot/
 
                 # Install DTB
-                sudo cp -v arch/riscv/boot/dts/thead/{light-lpi4a.dtb,light-lpi4a-16gb.dtb,light-beagle.dtb} ${GITHUB_WORKSPACE}/rootfs/boot/
+                sudo cp -v arch/riscv/boot/dts/thead/{light-lpi4a.dtb,light-lpi4a-16gb.dtb,light-lpi4a-dsi0-hdmi.dtb,light-beagle.dtb} ${GITHUB_WORKSPACE}/rootfs/boot/
 
                 ls -al ${GITHUB_WORKSPACE}/rootfs/
               popd
diff --git a/arch/riscv/boot/dts/thead/Makefile b/arch/riscv/boot/dts/thead/Makefile
index 0b3db193e225..f5ead3e5ccdb 100644
--- a/arch/riscv/boot/dts/thead/Makefile
+++ b/arch/riscv/boot/dts/thead/Makefile
@@ -34,7 +34,7 @@ dtb-$(CONFIG_SOC_THEAD) += light-a-val-full.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-ant-ref.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-ant-discrete.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-beagle.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-lpi4a.dtb light-lpi4a-ddr2G.dtb light-lpi4a-16gb.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-lpi4a.dtb light-lpi4a-ddr2G.dtb light-lpi4a-16gb.dtb light-lpi4a-dsi0-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-lpi4a-cluster.dtb light-lpi4a-cluster-16gb.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-ref.dtb light-a-ref-dsi0.dtb light-a-ref-dsi0-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-b-ref.dtb
diff --git a/arch/riscv/boot/dts/thead/light-lpi4a-dsi0-hdmi.dts b/arch/riscv/boot/dts/thead/light-lpi4a-dsi0-hdmi.dts
new file mode 100644
index 000000000000..f19ad896eb8f
--- /dev/null
+++ b/arch/riscv/boot/dts/thead/light-lpi4a-dsi0-hdmi.dts
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Alibaba Group Holding Limited.
+ */
+
+#include "light-lpi4a-ref.dts"
+
+/ {
+	model = "T-HEAD Light Lichee Pi 4A configuration for 8GB DDR board";
+	compatible = "thead,light-val", "thead,light-lpi4a", "thead,light";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x00000000 0x2 0x00000000>;
+	};
+};
+
+&cmamem {
+	alloc-ranges = <0x1 0xe4000000 0 0x14000000>; // [0x1E400_0000 ~ 0x1F800_0000]
+};
+
+&pwm {
+	status = "okay";
+};
+
+&qspi0 {
+	status = "okay";
+};
+
+&qspi1 {
+	status = "okay";
+};
+
+&i2c3 {
+	touch@14 {
+		#gpio-cells = <2>;
+		compatible = "goodix,gt9271";
+		reg = <0x14>;
+		interrupt-parent = <&ao_gpio_porta>;
+		interrupts = <3 0>; 
+		irq-gpios = <&ao_gpio_porta 3 0>; 
+		reset-gpios = <&pcal6408ahk_d 0 0>; 
+		AVDD28-supply = <&reg_tp_pwr_en>;
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <1280>;
+		tp-size = <9271>;
+		status = "okay";
+	};
+};
+
+&dpu_enc0 {
+       status = "okay";
+
+       ports {
+               /* output */
+               port@1 {
+                       reg = <1>;
+
+                       enc0_out: endpoint {
+                               remote-endpoint = <&dsi0_in>;
+                       };
+               };
+       };
+};
+
+&dpu_enc1 {
+        ports {
+                /delete-node/ port@0;
+        };
+};
+
+&dpu {
+        status = "okay";
+};
+
+&dsi0 {
+        status = "okay";
+};
+
+&dhost_0 {
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@0 {
+                       reg = <0>;
+
+                       dsi0_in: endpoint {
+                               remote-endpoint = <&enc0_out>;
+                       };
+               };
+
+               port@1 {
+                       reg = <1>;
+
+                       dsi0_out: endpoint {
+                               remote-endpoint = <&panel0_in>;
+                       };
+               };
+       };
+
+       panel0@0 {
+		compatible = "chongzhou,cz101b4001", "jadard,jd9365da-h3";
+		reg = <0>;
+		backlight = <&lcd0_backlight>;
+		reset-gpio = <&pcal6408ahk_d 7 0>; /* active low */
+		hsvcc-supply = <&soc_vdd18_lcd0_en_reg>;  
+		vspn3v3-supply = <&soc_vdd33_lcd0_en_reg>;
+
+               port {
+                       panel0_in: endpoint {
+                               remote-endpoint = <&dsi0_out>;
+                       };
+               };
+       };
+};
+
+&disp1_out {
+	remote-endpoint = <&hdmi_tx_in>;
+};
+
+&hdmi_tx {
+	status = "okay";
+
+	port@0 {
+		/* input */
+		hdmi_tx_in: endpoint {
+			remote-endpoint = <&disp1_out>;
+		};
+	};
+};
diff --git a/arch/riscv/configs/revyos_defconfig b/arch/riscv/configs/revyos_defconfig
index 20ac6139be08..57fd55163701 100644
--- a/arch/riscv/configs/revyos_defconfig
+++ b/arch/riscv/configs/revyos_defconfig
@@ -170,6 +170,7 @@ CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_GOODIX=y
+CONFIG_TOUCHSCREEN_GT9XX=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_UINPUT=y
 CONFIG_SERIAL_8250=y
@@ -262,6 +263,7 @@ CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_PANEL_ILITEK_ILI9881C=y
 CONFIG_DRM_PANEL_ILI9881D=y
 CONFIG_DRM_PANEL_HX8394=y
+CONFIG_DRM_PANEL_JADARD_JD9365DA_H3=y
 CONFIG_DRM_VERISILICON=y
 CONFIG_DRM_POWERVR_ROGUE=m
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index fd21cbc12eab..81eff64bf596 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -519,4 +519,13 @@ config DRM_PANEL_HX8394
 	  Say Y if you want to enable support for panels based on the
 	  HX8394 controller.
 
+config DRM_PANEL_JADARD_JD9365DA_H3
+	tristate "Jadard JD9365DA-H3 WXGA DSI panel"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+	  Say Y here if you want to enable support for Jadard JD9365DA-H3
+	  WXGA MIPI DSI panel. The panel support TFT dot matrix LCD with
+	  800RGBx1280 dots at maximum.
 endmenu
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index bac2f1568232..2adef3068d8a 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -55,3 +55,4 @@ obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
 obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
 obj-$(CONFIG_DRM_PANEL_ILI9881D) += panel-ili9881d.o
 obj-$(CONFIG_DRM_PANEL_HX8394) += panel-himax8394.o
+obj-$(CONFIG_DRM_PANEL_JADARD_JD9365DA_H3) += panel-jadard-jd9365da-h3.o
diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
new file mode 100644
index 000000000000..1e4dd015635a
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 Radxa Limited
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ *
+ * Author:
+ * - Jagan Teki <jagan@amarulasolutions.com>
+ * - Stephen Chen <stephen@radxa.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+struct jadard_panel_desc {
+	const struct drm_display_mode *display_mode;
+
+	unsigned long mode_flags;
+	enum mipi_dsi_pixel_format format;
+	unsigned int lanes;
+//	const struct jadard_panel_cmd *on_cmds;
+	unsigned int on_cmds_num;
+};
+
+struct panel_info {
+	struct drm_panel base;
+	struct mipi_dsi_device *link;
+	const struct jadard_panel_desc *desc;
+
+	struct gpio_desc	*reset;
+	struct regulator	*hsvcc;
+	struct regulator	*vspn3v3;
+
+	bool prepared;
+	bool enabled;
+};
+
+static inline struct panel_info *to_panel_info(struct drm_panel *panel)
+{
+	return container_of(panel, struct panel_info, base);
+}
+
+//static int jadard_send_mipi_cmds(struct drm_panel *panel, const struct jadard_panel_cmd *cmds)
+//{
+//	struct panel_info *pinfo = to_panel_info(panel);
+//	unsigned int i = 0;
+//	int err;
+//
+//	for (i = 0; i < pinfo->desc->on_cmds_num; i++) {
+//		err = mipi_dsi_dcs_write_buffer(pinfo->link, &(cmds[i].cmddata[0]), cmds[i].cmdlen);
+//		if (err < 0)
+//			return err;
+//	}
+//
+//	return 0;
+//}
+
+static int jadard_disable(struct drm_panel *panel)
+{
+	struct panel_info *pinfo = to_panel_info(panel);
+	int err;
+
+	if (!pinfo->enabled)
+		return 0;
+
+	err = mipi_dsi_dcs_set_display_off(pinfo->link);
+	if (err < 0) {
+		dev_err(panel->dev, "failed to set display off: %d\n", err);
+		return err;
+	}
+
+	pinfo->enabled = false;
+
+	return 0;
+}
+
+static int jadard_unprepare(struct drm_panel *panel)
+{
+	struct panel_info *pinfo = to_panel_info(panel);
+	int err;
+
+	if (!pinfo->prepared)
+		return 0;
+
+	err = mipi_dsi_dcs_set_display_off(pinfo->link);
+	if (err < 0)
+		dev_err(panel->dev, "failed to set display off: %d\n", err);
+
+	err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link);
+	if (err < 0)
+		dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
+
+	/* sleep_mode_delay: 1ms - 2ms */
+	usleep_range(1000, 2000);
+
+	gpiod_set_value(pinfo->reset, 1);
+	regulator_disable(pinfo->hsvcc);
+	regulator_disable(pinfo->vspn3v3);
+
+	pinfo->prepared = false;
+
+	return 0;
+}
+
+static int jadard_prepare(struct drm_panel *panel)
+{
+	struct panel_info *pinfo = to_panel_info(panel);
+	int ret;
+
+	if (pinfo->prepared)
+		return 0;
+	gpiod_set_value(pinfo->reset, 0);
+
+	/* Power the panel */
+	ret = regulator_enable(pinfo->hsvcc);
+	if (ret) {
+		dev_err(pinfo->base.dev, "Failed to enable hsvcc supply: %d\n", ret);
+		return ret;
+	}
+
+	usleep_range(1000, 2000);
+	ret = regulator_enable(pinfo->vspn3v3);
+	if (ret) {
+		dev_err(pinfo->base.dev, "Failed to enable vspn3v3 supply: %d\n", ret);
+		goto fail;
+	}
+	usleep_range(5000, 6000);
+
+	gpiod_set_value(pinfo->reset, 1);
+	msleep(180);
+
+	pinfo->prepared = true;
+
+	return 0;
+
+fail:
+	gpiod_set_value(pinfo->reset, 1);
+	regulator_disable(pinfo->hsvcc);
+	return ret;
+}
+
+static int jadard_enable(struct drm_panel *panel)
+{
+	struct panel_info *pinfo = to_panel_info(panel);
+	int ret;
+
+	if (pinfo->enabled)
+		return 0;
+
+	ret = mipi_dsi_dcs_exit_sleep_mode(pinfo->link);
+	if (ret < 0) {
+		dev_err(panel->dev, "failed to exit sleep mode: %d\n", ret);
+		return ret;
+	}
+
+	msleep(120);
+
+	ret = mipi_dsi_dcs_set_display_on(pinfo->link);
+	if (ret < 0) {
+		dev_err(panel->dev, "failed to set display on: %d\n", ret);
+		return ret;
+	}
+
+	pinfo->enabled = true;
+
+	return 0;
+}
+
+static int jadard_get_modes(struct drm_panel *panel,
+			       struct drm_connector *connector)
+{
+	struct panel_info *pinfo = to_panel_info(panel);
+	const struct drm_display_mode *m = pinfo->desc->display_mode;
+	struct drm_display_mode *mode;
+
+	mode = drm_mode_duplicate(connector->dev, m);
+	if (!mode) {
+		dev_err(pinfo->base.dev, "failed to add mode %ux%u@%u\n",
+			m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
+		return -ENOMEM;
+	}
+
+	drm_mode_set_name(mode);
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	drm_mode_probed_add(connector, mode);
+
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+
+	return 1;
+}
+
+static const struct drm_panel_funcs panel_funcs = {
+	.disable = jadard_disable,
+	.unprepare = jadard_unprepare,
+	.prepare = jadard_prepare,
+	.enable = jadard_enable,
+	.get_modes = jadard_get_modes,
+};
+
+static const struct drm_display_mode jadard_default_mode = {
+	.clock		= 76000,
+	.hdisplay	= 800,
+	.hsync_start	= 800 + 32,
+	.hsync_end	= 800 + 32 + 8,
+	.htotal		= 800 + 32 + 8 + 32,
+
+	.vdisplay	= 1280,
+	.vsync_start	= 1280 + 16,
+	.vsync_end	= 1280 + 16 + 8,
+	.vtotal		= 1280 + 16 + 8 + 16,
+
+	.width_mm	= 62,
+	.height_mm	= 110,
+	.flags          = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+
+static const struct jadard_panel_desc jadard_panel_desc = {
+	.display_mode = &jadard_default_mode,
+	.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_VIDEO_BURST,
+	.format = MIPI_DSI_FMT_RGB888,
+	.lanes = 4,
+};
+
+static const struct of_device_id panel_of_match[] = {
+	{
+		.compatible = "jadard,jd9365da-h3",
+		.data = &jadard_panel_desc,
+	},
+	{
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(of, panel_of_match);
+
+static int jd9365da_panel_add(struct panel_info *pinfo)
+{
+	struct device *dev = &pinfo->link->dev;
+	int ret;
+
+	pinfo->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+	if (IS_ERR(pinfo->reset))
+		return dev_err_probe(dev, PTR_ERR(pinfo->reset),
+				"Couldn't get our reset GPIO\n");
+
+	pinfo->hsvcc =  devm_regulator_get(dev, "hsvcc");
+	if (IS_ERR(pinfo->hsvcc))
+		return dev_err_probe(dev, PTR_ERR(pinfo->hsvcc),
+				"Failed to request hsvcc regulator\n");
+
+	pinfo->vspn3v3 =  devm_regulator_get(dev, "vspn3v3");
+	if (IS_ERR(pinfo->vspn3v3))
+		return dev_err_probe(dev, PTR_ERR(pinfo->vspn3v3),
+				"Failed to request vspn3v3 regulator\n");
+
+	drm_panel_init(&pinfo->base, dev, &panel_funcs,
+		       DRM_MODE_CONNECTOR_DSI);
+
+	ret = drm_panel_of_backlight(&pinfo->base);
+	if (ret)
+		return ret;
+
+	drm_panel_add(&pinfo->base);
+
+	return 0;
+}
+
+static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
+{
+	struct panel_info *pinfo;
+	const struct jadard_panel_desc *desc;
+	int err;
+
+	pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL);
+	if (!pinfo)
+		return -ENOMEM;
+
+	desc = of_device_get_match_data(&dsi->dev);
+	dsi->mode_flags = desc->mode_flags;
+	dsi->format = desc->format;
+	dsi->lanes = desc->lanes;
+	pinfo->desc = desc;
+
+	pinfo->link = dsi;
+	mipi_dsi_set_drvdata(dsi, pinfo);
+
+	err = jd9365da_panel_add(pinfo);
+	if (err < 0)
+		return err;
+
+	err = mipi_dsi_attach(dsi);
+	if (err < 0)
+		drm_panel_remove(&pinfo->base);
+
+	return err;
+}
+
+static int jadard_dsi_remove(struct mipi_dsi_device *dsi)
+{
+	struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
+	int err;
+
+	err = jadard_disable(&pinfo->base);
+	if (err < 0)
+		dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
+
+	err = jadard_unprepare(&pinfo->base);
+	if (err < 0)
+		dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);
+
+	err = mipi_dsi_detach(dsi);
+	if (err < 0)
+		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
+
+	drm_panel_remove(&pinfo->base);
+
+	return 0;
+}
+
+static void jd9365da_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+	struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
+
+	jadard_disable(&pinfo->base);
+	jadard_unprepare(&pinfo->base);
+}
+
+static struct mipi_dsi_driver jadard_driver = {
+	.driver = {
+		.name = "jadard-jd9365da",
+		.of_match_table = panel_of_match,
+	},
+	.probe = jadard_dsi_probe,
+	.remove = jadard_dsi_remove,
+	.shutdown = jd9365da_panel_shutdown,
+};
+module_mipi_dsi_driver(jadard_driver);
+
+MODULE_AUTHOR("Jagan Teki <jagan@edgeble.ai>");
+MODULE_AUTHOR("Stephen Chen <stephen@radxa.com>");
+MODULE_DESCRIPTION("Jadard JD9365DA-H3 WXGA DSI panel");
+MODULE_LICENSE("GPL");
\ No newline at end of file