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From: Junhao Xie <bigfoot@classfun.cn>
To: linux-arm-msm@vger.kernel.org
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Subject: [PATCH 1/2] drm: panel: Add samsung fhd-ea8076 panel driver
Date: Sat, 21 May 2022 13:31:55 +0800
Message-Id: <20220521053156.1374185-1-bigfoot@classfun.cn>
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Add Samsung Full HD EA8076 panel with a resolution of 2340x1080@60Hz

Xiaomi MIX 3 smartphone uses this panel

Signed-off-by: Junhao Xie <bigfoot@classfun.cn>
Acked-by: Rob Herring <robh@kernel.org>
---
 .../display/panel/panel-simple-dsi.yaml       |   2 +
 drivers/gpu/drm/panel/Kconfig                 |  10 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../gpu/drm/panel/panel-samsung-fhd-ea8076.c  | 339 ++++++++++++++++++
 4 files changed, 352 insertions(+)
 create mode 100644 drivers/gpu/drm/panel/panel-samsung-fhd-ea8076.c

diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
index 2c00813f5d20..baa0e8f6de3c 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
@@ -57,6 +57,8 @@ properties:
       - samsung,sofef00
         # Shangai Top Display Optoelectronics 7" TL070WSH30 1024x600 TFT LCD panel
       - tdo,tl070wsh30
+        # Samsung ea8076 1080x2340 FullHD AMOLED panel
+      - samsung,fhd-ea8076
 
   reg:
     maxItems: 1
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index ddf5f38e8731..1e533576f691 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -526,6 +526,16 @@ config DRM_PANEL_SAMSUNG_SOFEF00
 
 	  The panels are 2280x1080@60Hz and 2340x1080@60Hz respectively
 
+config DRM_PANEL_SAMSUNG_FHD_EA8076
+	tristate "Samsung EA8076 DSI cmd mode panels"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	select VIDEOMODE_HELPERS
+	help
+	  Say Y or M here if you want to enable support for the Samsung AMOLED
+	  2340x1080 command mode panel found in the Xiaomi MIX3 smartphone.
+
 config DRM_PANEL_SEIKO_43WVF1G
 	tristate "Seiko 43WVF1G panel"
 	depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 5740911f637c..bacc1196f32a 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0_DSI) += panel-samsung-s6e63m0-dsi.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01) += panel-samsung-s6e88a0-ams452ef01.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_SOFEF00) += panel-samsung-sofef00.o
+obj-$(CONFIG_DRM_PANEL_SAMSUNG_FHD_EA8076) += panel-samsung-fhd-ea8076.o
 obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
diff --git a/drivers/gpu/drm/panel/panel-samsung-fhd-ea8076.c b/drivers/gpu/drm/panel/panel-samsung-fhd-ea8076.c
new file mode 100644
index 000000000000..f793b025bd6d
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-samsung-fhd-ea8076.c
@@ -0,0 +1,339 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2022 Junhao Xie <bigfoot@classfun.cn>
+ * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
+ * Copyright (c) 2022, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/swab.h>
+#include <linux/backlight.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+struct fhd_ea8076_panel {
+	struct drm_panel panel;
+	struct mipi_dsi_device *dsi;
+	struct regulator *supply;
+	struct gpio_desc *reset_gpio;
+	bool prepared;
+};
+
+static inline
+struct fhd_ea8076_panel *to_fhd_ea8076_panel(struct drm_panel *panel)
+{
+	return container_of(panel, struct fhd_ea8076_panel, panel);
+}
+
+#define dsi_dcs_write_seq(dsi, seq...) do {				\
+		static const u8 d[] = { seq };				\
+		int ret;						\
+		ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d));	\
+		if (ret < 0)						\
+			return ret;					\
+	} while (0)
+
+static void fhd_ea8076_panel_reset(struct fhd_ea8076_panel *ctx)
+{
+	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+	usleep_range(1000, 2000);
+	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+	usleep_range(10000, 11000);
+}
+
+static int fhd_ea8076_panel_on(struct fhd_ea8076_panel *ctx)
+{
+	struct mipi_dsi_device *dsi = ctx->dsi;
+	struct device *dev = &dsi->dev;
+	int ret;
+
+	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
+		return ret;
+	}
+	usleep_range(10000, 11000);
+
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+
+	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set tear on: %d\n", ret);
+		return ret;
+	}
+
+	dsi_dcs_write_seq(dsi, 0xb7, 0x01, 0x4b);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+
+	ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 0x0923);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set page address: %d\n", ret);
+		return ret;
+	}
+
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xb0, 0x07);
+	dsi_dcs_write_seq(dsi, 0xd9, 0x88, 0x2e);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xfc, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xe9,
+			  0x11, 0x55, 0xa6, 0x75, 0xa3, 0xb8, 0xbb, 0x2a, 0x00,
+			  0x1a, 0xb8);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, 0xfc, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xb0, 0x09);
+	dsi_dcs_write_seq(dsi, 0xd8, 0x00);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
+	dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+	msleep(67);
+
+	ret = mipi_dsi_dcs_set_display_on(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set display on: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int fhd_ea8076_panel_off(struct fhd_ea8076_panel *ctx)
+{
+	struct mipi_dsi_device *dsi = ctx->dsi;
+	struct device *dev = &dsi->dev;
+	int ret;
+
+	ret = mipi_dsi_dcs_set_display_off(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to set display off: %d\n", ret);
+		return ret;
+	}
+	usleep_range(17000, 18000);
+
+	dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
+	dsi_dcs_write_seq(dsi, 0xb0, 0x4f);
+	dsi_dcs_write_seq(dsi, 0xb9, 0x58);
+	dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
+	usleep_range(17000, 18000);
+
+	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
+		return ret;
+	}
+	msleep(120);
+
+	return 0;
+}
+
+static int fhd_ea8076_panel_prepare(struct drm_panel *panel)
+{
+	struct fhd_ea8076_panel *ctx = to_fhd_ea8076_panel(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	if (ctx->prepared)
+		return 0;
+
+	ret = regulator_enable(ctx->supply);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable regulator: %d\n", ret);
+		return ret;
+	}
+
+	fhd_ea8076_panel_reset(ctx);
+
+	ret = fhd_ea8076_panel_on(ctx);
+	if (ret < 0) {
+		dev_err(dev, "Failed to initialize panel: %d\n", ret);
+		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+		return ret;
+	}
+
+	ctx->prepared = true;
+	return 0;
+}
+
+static int fhd_ea8076_panel_unprepare(struct drm_panel *panel)
+{
+	struct fhd_ea8076_panel *ctx = to_fhd_ea8076_panel(panel);
+	struct device *dev = &ctx->dsi->dev;
+	int ret;
+
+	if (!ctx->prepared)
+		return 0;
+
+	ret = fhd_ea8076_panel_off(ctx);
+	if (ret < 0)
+		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+	regulator_disable(ctx->supply);
+
+	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+
+	ctx->prepared = false;
+	return 0;
+}
+
+static const struct drm_display_mode fhd_ea8076_panel_mode = {
+	.clock = (1080 + 64 + 20 + 64) * (2340 + 64 + 20 + 64) * 60 / 1000,
+	.hdisplay = 1080,
+	.hsync_start = 1080 + 64,
+	.hsync_end = 1080 + 64 + 20,
+	.htotal = 1080 + 64 + 20 + 64,
+	.vdisplay = 2340,
+	.vsync_start = 2340 + 64,
+	.vsync_end = 2340 + 64 + 20,
+	.vtotal = 2340 + 64 + 20 + 64,
+	.width_mm = 68,
+	.height_mm = 147,
+};
+
+static int fhd_ea8076_panel_get_modes(struct drm_panel *panel,
+					struct drm_connector *connector)
+{
+	struct drm_display_mode *mode;
+
+	mode = drm_mode_duplicate(connector->dev, &fhd_ea8076_panel_mode);
+	if (!mode)
+		return -ENOMEM;
+
+	drm_mode_set_name(mode);
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+	drm_mode_probed_add(connector, mode);
+
+	return 1;
+}
+
+static const struct drm_panel_funcs fhd_ea8076_panel_funcs = {
+	.prepare = fhd_ea8076_panel_prepare,
+	.unprepare = fhd_ea8076_panel_unprepare,
+	.get_modes = fhd_ea8076_panel_get_modes,
+};
+
+static int fhd_ea8076_panel_bl_update_status(struct backlight_device *bl)
+{
+	struct mipi_dsi_device *dsi = bl_get_data(bl);
+	int err;
+	u16 brightness;
+
+	brightness = (u16)backlight_get_brightness(bl);
+	// This panel needs the high and low bytes swapped for the brightness value
+	brightness = __swab16(brightness);
+
+	err = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static const struct backlight_ops fhd_ea8076_panel_bl_ops = {
+	.update_status = fhd_ea8076_panel_bl_update_status,
+};
+
+static struct backlight_device *
+fhd_ea8076_panel_create_backlight(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	const struct backlight_properties props = {
+		.type = BACKLIGHT_PLATFORM,
+		.brightness = 1024,
+		.max_brightness = 2047,
+	};
+
+	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+					      &fhd_ea8076_panel_bl_ops, &props);
+}
+
+static int fhd_ea8076_panel_probe(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	struct fhd_ea8076_panel *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->supply = devm_regulator_get(dev, "vddio");
+	if (IS_ERR(ctx->supply))
+		return dev_err_probe(dev, PTR_ERR(ctx->supply),
+				     "Failed to get vddio regulator\n");
+
+	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(ctx->reset_gpio))
+		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+				     "Failed to get reset-gpios\n");
+
+	ctx->dsi = dsi;
+	mipi_dsi_set_drvdata(dsi, ctx);
+
+	dsi->lanes = 4;
+	dsi->format = MIPI_DSI_FMT_RGB888;
+	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
+			  MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
+
+	drm_panel_init(&ctx->panel, dev, &fhd_ea8076_panel_funcs,
+		       DRM_MODE_CONNECTOR_DSI);
+
+	ctx->panel.backlight = fhd_ea8076_panel_create_backlight(dsi);
+	if (IS_ERR(ctx->panel.backlight))
+		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
+				     "Failed to create backlight\n");
+
+	drm_panel_add(&ctx->panel);
+
+	ret = mipi_dsi_attach(dsi);
+	if (ret < 0) {
+		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int fhd_ea8076_panel_remove(struct mipi_dsi_device *dsi)
+{
+	struct fhd_ea8076_panel *ctx = mipi_dsi_get_drvdata(dsi);
+	int ret;
+
+	ret = mipi_dsi_detach(dsi);
+	if (ret < 0)
+		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
+
+	drm_panel_remove(&ctx->panel);
+
+	return 0;
+}
+
+static const struct of_device_id fhd_ea8076_panel_of_match[] = {
+	{ .compatible = "samsung,fhd-ea8076" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, fhd_ea8076_panel_of_match);
+
+static struct mipi_dsi_driver fhd_ea8076_panel_driver = {
+	.probe = fhd_ea8076_panel_probe,
+	.remove = fhd_ea8076_panel_remove,
+	.driver = {
+		.name = "panel-samsung-fhd-ea8076",
+		.of_match_table = fhd_ea8076_panel_of_match,
+	},
+};
+module_mipi_dsi_driver(fhd_ea8076_panel_driver);
+
+MODULE_AUTHOR("Junhao Xie <bigfoot@classfun.cn>");
+MODULE_DESCRIPTION("DRM driver for Samsung EA8076 FullHD AMOLED DSI Panel");
+MODULE_LICENSE("GPL v2");

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From: Junhao Xie <bigfoot@classfun.cn>
To: linux-arm-msm@vger.kernel.org
Cc: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org,
        keescook@chromium.org, anton@enomsg.org, ccross@android.com,
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        linux-kernel@vger.kernel.org, bigfoot@classfun.cn
Subject: [PATCH 2/2] Add support for Xiaomi MIX 3 (perseus) smartpohone.
Date: Sat, 21 May 2022 13:39:47 +0800
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X-Mailing-List: linux-arm-msm@vger.kernel.org

Currently working features:
- UFS
- GPU
- Video decode/encode
- USB Type C port in peripheral mode
- Modem (LTE / SMS)
- Four buttons (AI/Power/VolUp/VolDown)
- Bluetooth
- Wi-Fi

Signed-off-by: Junhao Xie <bigfoot@classfun.cn>
---
 arch/arm64/boot/dts/qcom/Makefile             |   1 +
 .../boot/dts/qcom/sdm845-xiaomi-perseus.dts   | 799 ++++++++++++++++++
 2 files changed, 800 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/sdm845-xiaomi-perseus.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index f9e6343acd03..af23c3bd3e81 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -106,6 +106,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akari.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akatsuki.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-apollo.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-perseus.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-shift-axolotl.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-samsung-w737.dtb
diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-perseus.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-perseus.dts
new file mode 100644
index 000000000000..a049936f2a96
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-perseus.dts
@@ -0,0 +1,799 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021, BigfootACA <bigfoot@classfun.cn>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include "sdm845.dtsi"
+#include "pm8998.dtsi"
+#include "pmi8998.dtsi"
+
+/*
+ * Delete following upstream (sdm845.dtsi) reserved
+ * memory mappings which are different in this device.
+ */
+/delete-node/ &rmtfs_mem;
+/delete-node/ &adsp_mem;
+/delete-node/ &wlan_msa_mem;
+/delete-node/ &mpss_region;
+/delete-node/ &venus_mem;
+/delete-node/ &cdsp_mem;
+/delete-node/ &mba_region;
+/delete-node/ &slpi_mem;
+/delete-node/ &spss_mem;
+
+/ {
+	model = "Xiaomi MIX 3";
+	compatible = "xiaomi,perseus", "qcom,sdm845";
+	chassis-type = "handset";
+
+	/* required for bootloader to select correct board */
+	qcom,board-id = <0x63 0x0>;
+	qcom,msm-id = <321 0x20001>;
+
+	aliases {
+		serial0 = &uart9;
+		hsuart0 = &uart6;
+		bluetooth0 = &bluetooth;
+		wifi0 = &wifi;
+		display0 = &framebuffer0;
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		// For simplefb hack
+		stdout-path = "display0";
+		framebuffer0: framebuffer@9d400000 {
+			status = "okay";
+			compatible = "simple-framebuffer";
+			reg = <0 0x9D400000 0 0x2400000>;
+			width = <1080>;
+			height = <2340>;
+			stride = <(1080 * 4)>;
+			format = "a8r8g8b8";
+		};
+	};
+
+	vph_pwr: vph-pwr-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vph_pwr";
+		regulator-min-microvolt = <3700000>;
+		regulator-max-microvolt = <3700000>;
+	};
+
+	/*
+	 * Apparently RPMh does not provide support for PM8998 S4 because it
+	 * is always-on; model it as a fixed regulator.
+	 */
+	vreg_s4a_1p8: pm8998-smps4 {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_s4a_1p8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vph_pwr>;
+	};
+
+	disp_vci_vreg: disp_vci_vreg {
+		compatible = "regulator-fixed";
+		regulator-name = "disp_vci_vreg";
+		start-delay-us = <4000>;
+		regulator-always-on;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&tlmm 99 0>;
+	};
+
+	disp_vddio_vreg: disp_vddio_vreg {
+		compatible = "regulator-fixed";
+		regulator-name = "disp_vddio_vreg";
+		startup-delay-us = <4000>;
+		regulator-always-on;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&tlmm 79 0>;
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		autorepeat;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vol_up_pin_a &ai_key_ctrl>;
+
+		vol-up {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&pm8998_gpio 6 GPIO_ACTIVE_LOW>;
+			debounce-interval = <15>;
+		};
+
+		ai-key {
+			label = "AI Key";
+			linux,code = <KEY_ASSISTANT>;
+			gpios = <&tlmm 44 GPIO_ACTIVE_LOW>;
+			debounce-interval = <39>;
+		};
+	};
+
+	reserved-memory {
+		rmtfs_mem: memory@f6301000 {
+			compatible = "qcom,rmtfs-mem";
+			reg = <0 0xf6301000 0 0x200000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <15>;
+		};
+
+		adsp_mem: memory@8c500000 {
+			reg = <0 0x8c500000 0 0x1e00000>;
+			no-map;
+		};
+
+		wlan_msa_mem: memory@8e300000 {
+			reg = <0 0x8e300000 0 0x100000>;
+			no-map;
+		};
+
+		mpss_region: memory@8e400000 {
+			reg = <0 0x8e400000 0 0x7800000>;
+			no-map;
+		};
+
+		venus_mem: memory@95c00000 {
+			reg = <0 0x95c00000 0 0x500000>;
+			no-map;
+		};
+
+		cdsp_mem: memory@96100000 {
+			reg = <0 0x96100000 0 0x800000>;
+			no-map;
+		};
+
+		mba_region: memory@96900000 {
+			reg = <0 0x96900000 0 0x200000>;
+			no-map;
+		};
+
+		slpi_mem: memory@96b00000 {
+			reg = <0 0x96b00000 0 0x1400000>;
+			no-map;
+		};
+
+		spss_mem: memory@97f00000 {
+			reg = <0 0x97f00000 0 0x100000>;
+			no-map;
+		};
+
+		cont_splash_region: memory@9d400000 {
+			compatible = "removed-dma-pool";
+			reg = <0 0x9D400000 0 0x02400000>;
+			no-map;
+		};
+
+		ramoops: ramoops@b0000000 {
+			compatible = "ramoops";
+			reg = <0 0xb0000000 0 0x00400000>;
+			record-size = <0x40000>; /*256x1024*/
+			console-size = <0x40000>;
+			ftrace-size = <0x40000>;
+			pmsg-size = <0x200000>;
+			ecc-size = <0x0>;
+		};
+	};
+};
+
+&adsp_pas {
+	status = "okay";
+	firmware-name = "qcom/sdm845/xiaomi/adsp.mbn";
+};
+
+&apps_rsc {
+	pm8998-rpmh-regulators {
+		compatible = "qcom,pm8998-rpmh-regulators";
+		qcom,pmic-id = "a";
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+		vdd-s4-supply = <&vph_pwr>;
+		vdd-s5-supply = <&vph_pwr>;
+		vdd-s6-supply = <&vph_pwr>;
+		vdd-s7-supply = <&vph_pwr>;
+		vdd-s8-supply = <&vph_pwr>;
+		vdd-s9-supply = <&vph_pwr>;
+		vdd-s10-supply = <&vph_pwr>;
+		vdd-s11-supply = <&vph_pwr>;
+		vdd-s12-supply = <&vph_pwr>;
+		vdd-s13-supply = <&vph_pwr>;
+		vdd-l1-l27-supply = <&vreg_s7a_1p025>;
+		vdd-l2-l8-l17-supply = <&vreg_s3a_1p35>;
+		vdd-l3-l11-supply = <&vreg_s7a_1p025>;
+		vdd-l4-l5-supply = <&vreg_s7a_1p025>;
+		vdd-l6-supply = <&vph_pwr>;
+		vdd-l7-l12-l14-l15-supply = <&vreg_s5a_2p04>;
+		vdd-l9-supply = <&vreg_bob>;
+		vdd-l10-l23-l25-supply = <&vreg_bob>;
+		vdd-l13-l19-l21-supply = <&vreg_bob>;
+		vdd-l16-l28-supply = <&vreg_bob>;
+		vdd-l18-l22-supply = <&vreg_bob>;
+		vdd-l20-l24-supply = <&vreg_bob>;
+		vdd-l26-supply = <&vreg_s3a_1p35>;
+		vin-lvs-1-2-supply = <&vreg_s4a_1p8>;
+
+		vreg_s2a_1p1: smps2 {
+			regulator-always-on;
+			regulator-min-microvolt = <1100000>;
+			regulator-max-microvolt = <1100000>;
+		};
+
+		vreg_s3a_1p35: smps3 {
+			regulator-min-microvolt = <1352000>;
+			regulator-max-microvolt = <1352000>;
+		};
+
+		vreg_s5a_2p04: smps5 {
+			regulator-always-on;
+			regulator-min-microvolt = <1904000>;
+			regulator-max-microvolt = <2040000>;
+		};
+
+		vreg_s7a_1p025: smps7 {
+			regulator-always-on;
+			regulator-min-microvolt = <900000>;
+			regulator-max-microvolt = <1028000>;
+		};
+
+		vdda_ufs1_core:
+		vreg_l1a_0p875: ldo1 {
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l2a_0p875: ldo2 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+		};
+
+		reg_l3a_0p875: ldo3 {
+			regulator-min-microvolt = <1000000>;
+			regulator-max-microvolt = <1000000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l5a_0p8: ldo5 {
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l6a_1p8: ldo6 {
+			regulator-min-microvolt = <1856000>;
+			regulator-max-microvolt = <1856000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l7a_1p8: ldo7 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l8a_1p2: ldo8 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1248000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l9a_2p95: ldo9 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <2928000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l10a_2p95: ldo10 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <2928000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l11a_1p05: ldo11 {
+			regulator-min-microvolt = <1000000>;
+			regulator-max-microvolt = <1048000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l12a_1p8: ldo12 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l13a_2p95: ldo13 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l14a_1p8: ldo14 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+			regulator-boot-on;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l15a_1p8: ldo15 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l16a_2p7: ldo16 {
+			regulator-min-microvolt = <2704000>;
+			regulator-max-microvolt = <2704000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l17a_1p3: ldo17 {
+			regulator-always-on;
+			regulator-min-microvolt = <1304000>;
+			regulator-max-microvolt = <1304000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l18a_2p9: ldo18 {
+			regulator-min-microvolt = <2704000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l19a_3p1: ldo19 {
+			regulator-min-microvolt = <2856000>;
+			regulator-max-microvolt = <3104000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l20a_2p95: ldo20 {
+			regulator-min-microvolt = <2704000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l21a_2p95: ldo21 {
+			regulator-min-microvolt = <2704000>;
+			regulator-max-microvolt = <2960000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l22a_3p3: ldo22 {
+			regulator-min-microvolt = <2864000>;
+			regulator-max-microvolt = <3312000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l23a_3p3: ldo23 {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3312000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l24a_3p075: ldo24 {
+			regulator-min-microvolt = <3088000>;
+			regulator-max-microvolt = <3088000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l25a_3p3: ldo25 {
+			regulator-always-on;
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3312000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vdda_mipi_dsi0_1p2:
+		vdda_ufs1_1p2:
+		vreg_l26a_1p2: ldo26 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-boot-on;
+		};
+
+		vreg_l28a_3p0: ldo28 {
+			regulator-min-microvolt = <2856000>;
+			regulator-max-microvolt = <3008000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-always-on;
+		};
+
+		vreg_lvs1a_1p8: lvs1 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+
+		vreg_lvs2a_1p8: lvs2 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+	};
+
+	pmi8998-rpmh-regulators {
+		compatible = "qcom,pmi8998-rpmh-regulators";
+		qcom,pmic-id = "b";
+		vdd-bob-supply = <&vph_pwr>;
+		vreg_bob: bob {
+			regulator-min-microvolt = <3312000>;
+			regulator-max-microvolt = <3600000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
+			regulator-allow-bypass;
+		};
+	};
+
+	pm8005-rpmh-regulators {
+		compatible = "qcom,pm8005-rpmh-regulators";
+		qcom,pmic-id = "c";
+		vdd-s1-supply = <&vph_pwr>;
+		vdd-s2-supply = <&vph_pwr>;
+		vdd-s3-supply = <&vph_pwr>;
+		vdd-s4-supply = <&vph_pwr>;
+		vreg_smp3c_0p6: smps3 {
+			regulator-min-microvolt = <600000>;
+			regulator-max-microvolt = <600000>;
+			regulator-always-on;
+		};
+	};
+};
+
+&cdsp_pas {
+	status = "okay";
+	firmware-name = "qcom/sdm845/xiaomi/cdsp.mbn";
+};
+
+&dsi0 {
+	status = "okay";
+	vdda-supply = <&vdda_mipi_dsi0_1p2>;
+
+	panel@0 {
+		compatible = "samsung,fhd-ea8076";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+		vddio-supply = <&vreg_l14a_1p8>;
+		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sde_dsi_active &sde_te_active>;
+		port {
+			samsung_fhd_ea8076_in_0: endpoint {
+				remote-endpoint = <&dsi0_out>;
+			};
+		};
+	};
+};
+
+&dsi0_out {
+	remote-endpoint = <&samsung_fhd_ea8076_in_0>;
+	data-lanes = <0 1 2 3>;
+};
+
+&dsi0_phy {
+	status = "okay";
+	vdds-supply = <&vreg_l1a_0p875>;
+};
+
+&gcc {
+	protected-clocks = <GCC_QSPI_CORE_CLK>,
+			   <GCC_QSPI_CORE_CLK_SRC>,
+			   <GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
+			   <GCC_LPASS_Q6_AXI_CLK>,
+			   <GCC_LPASS_SWAY_CLK>;
+};
+
+&gmu {
+	status = "okay";
+};
+
+&gpu {
+	status = "okay";
+
+	zap-shader {
+		memory-region = <&gpu_mem>;
+		firmware-name = "qcom/sdm845/xiaomi/a630_zap.mbn";
+	};
+};
+
+&ipa {
+	status = "okay";
+	memory-region = <&ipa_fw_mem>;
+	firmware-name = "qcom/sdm845/xiaomi/ipa_fws.mbn";
+};
+
+&gpi_dma0 {
+	status = "okay";
+};
+
+&gpi_dma1 {
+	status = "okay";
+};
+
+&i2c3 {
+	status = "okay";
+	#dma-cells = <3>;
+	clock-frequency = <400000>;
+	dmas = <&gpi_dma0 0 3 QCOM_GPI_I2C>,
+	       <&gpi_dma0 1 3 QCOM_GPI_I2C>;
+	dma-names = "tx", "rx";
+
+	/* NFC nq-nci @ 0x28 */
+
+};
+
+&i2c5 {
+	status = "okay";
+	#dma-cells = <3>;
+	clock-frequency = <400000>;
+	dmas = <&gpi_dma0 0 5 QCOM_GPI_I2C>,
+	       <&gpi_dma0 1 5 QCOM_GPI_I2C>;
+	dma-names = "tx", "rx";
+
+	/* Audio Codec tas2557 @ 0x4c */
+};
+
+&i2c10 {
+	status = "okay";
+	#dma-cells = <3>;
+	clock-frequency = <400000>;
+	dmas =  <&gpi_dma1 0 2 QCOM_GPI_I2C>,
+	        <&gpi_dma1 1 2 QCOM_GPI_I2C>;
+	dma-names = "tx", "rx";
+
+	/* smb1355 charger @ 0x08, 0x0C */
+	/* idtp9220 wireless charger @ 0x61 */
+};
+
+&i2c14 {
+	status = "okay";
+	#dma-cells = <3>;
+	clock-frequency = <400000>;
+	dmas =  <&gpi_dma1 0 6 QCOM_GPI_I2C>,
+	        <&gpi_dma1 1 6 QCOM_GPI_I2C>;
+	dma-names = "tx", "rx";
+
+	/* stm fts touchscreen @ 0x49 */
+	/* focaltech touchscreen @ 0x38 */
+	/* atmel touchscreen @ 0x4a */
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_mdp {
+	status = "okay";
+};
+
+&mss_pil {
+	status = "okay";
+	firmware-name = "qcom/sdm845/xiaomi/mba.mbn", "qcom/sdm845/xiaomi/modem.mbn";
+};
+
+&tlmm {
+	sde_dsi_active: sde_dsi_active {
+		mux {
+			pins = "gpio6", "gpio52";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio6", "gpio52";
+			drive-strength = <8>;   /* 8 mA */
+			bias-disable = <0>;   /* no pull */
+		};
+	};
+
+	sde_dsi_suspend: sde_dsi_suspend {
+		mux {
+			pins = "gpio6", "gpio52";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio6", "gpio52";
+			drive-strength = <2>;   /* 2 mA */
+			bias-pull-down; /* PULL DOWN */
+		};
+	};
+
+	sde_te_active: sde_te_active {
+		mux {
+			pins = "gpio10";
+			function = "mdp_vsync";
+		};
+
+		config {
+			pins = "gpio10";
+			drive-strength = <2>;   /* 2 mA */
+			bias-pull-down; /* PULL DOWN */
+		};
+	};
+
+	sde_te_suspend: sde_te_suspend {
+		mux {
+			pins = "gpio10";
+			function = "mdp_vsync";
+		};
+
+		config {
+			pins = "gpio10";
+			drive-strength = <2>;   /* 2 mA */
+			bias-pull-down; /* PULL DOWN */
+		};
+	};
+
+	ai_key_ctrl: ai_key_ctrl {
+		mux {
+			pins = "gpio44";
+			function = "gpio";
+		};
+		config {
+			pins = "gpio44";
+			drive-strength = <2>;   /* 2 mA */
+			bias-pull-up; /* PULL UP */
+			input-enable;
+		};
+	};
+};
+
+&pm8998_gpio {
+	vol_up_pin_a: vol-up-active {
+		pins = "gpio6";
+		function = "normal";
+		input-enable;
+		bias-pull-up;
+		qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
+	};
+};
+
+&pm8998_pon {
+	resin {
+		compatible = "qcom,pm8941-resin";
+		interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
+		debounce = <15625>;
+		bias-pull-up;
+		linux,code = <KEY_VOLUMEDOWN>;
+	};
+};
+
+&qupv3_id_0 {
+	status = "okay";
+};
+
+&qupv3_id_1 {
+	status = "okay";
+};
+
+&tlmm {
+	gpio-reserved-ranges = <0 4>, <81 4>;
+};
+
+&uart9 {
+	status = "okay";
+};
+
+&uart6 {
+	status = "okay";
+
+	bluetooth: bluetooth {
+		compatible = "qcom,wcn3990-bt";
+		vddio-supply = <&vreg_s4a_1p8>;
+		vddxo-supply = <&vreg_l7a_1p8>;
+		vddrf-supply = <&vreg_l17a_1p3>;
+		vddch0-supply = <&vreg_l25a_3p3>;
+		max-speed = <3200000>;
+	};
+};
+
+
+&usb_1 {
+	status = "okay";
+
+	/* We'll use this as USB 2.0 only */
+	qcom,select-utmi-as-pipe-clk;
+};
+
+&usb_1_dwc3 {
+	dr_mode = "peripheral";
+
+	/* fastest mode for USB 2 */
+	maximum-speed = "high-speed";
+
+	/* Remove USB3 phy */
+	phys = <&usb_1_hsphy>;
+	phy-names = "usb2-phy";
+};
+
+&usb_1_hsphy {
+	status = "okay";
+
+	vdd-supply = <&vreg_l1a_0p875>;
+	vdda-pll-supply = <&vreg_l12a_1p8>;
+	vdda-phy-dpdm-supply = <&vreg_l24a_3p075>;
+
+	qcom,imp-res-offset-value = <8>;
+	qcom,hstx-trim-value = <QUSB2_V2_HSTX_TRIM_21_6_MA>;
+	qcom,preemphasis-level = <QUSB2_V2_PREEMPHASIS_5_PERCENT>;
+	qcom,preemphasis-width = <QUSB2_V2_PREEMPHASIS_WIDTH_HALF_BIT>;
+};
+
+&usb_1_qmpphy {
+	status = "okay";
+
+	vdda-phy-supply = <&vreg_l26a_1p2>;
+	vdda-pll-supply = <&vreg_l1a_0p875>;
+};
+
+&venus {
+	status = "okay";
+	firmware-name = "qcom/sdm845/xiaomi/venus.mbn";
+};
+
+&ufs_mem_hc {
+	status = "okay";
+	reset-gpios = <&tlmm 150 GPIO_ACTIVE_LOW>;
+	vcc-supply = <&vreg_l20a_2p95>;
+	vcc-max-microamp = <800000>;
+};
+
+&ufs_mem_phy {
+	status = "okay";
+	vdda-phy-supply = <&vdda_ufs1_core>;
+	vdda-pll-supply = <&vdda_ufs1_1p2>;
+};
+
+&wifi {
+	status = "okay";
+
+	vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
+	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
+	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
+	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+	vdd-3.3-ch1-supply = <&vreg_l23a_3p3>;
+};
+
+/* PINCTRL - additions to nodes defined in sdm845.dtsi */
+&qup_uart6_default {
+	pinmux {
+		 pins = "gpio45", "gpio46", "gpio47", "gpio48";
+		 function = "qup6";
+	};
+
+	cts {
+		pins = "gpio45";
+		bias-disable;
+	};
+
+	rts-tx {
+		pins = "gpio46", "gpio47";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	rx {
+		pins = "gpio48";
+		bias-pull-up;
+	};
+};