diff --git a/arch/arm/boot/dts/amlogic/tl1_pxp.dts b/arch/arm/boot/dts/amlogic/tl1_pxp.dts
index 45f03ce44fe6..a6ded3331e03 100644
--- a/arch/arm/boot/dts/amlogic/tl1_pxp.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_pxp.dts
@@ -473,6 +473,142 @@
 		reg-names = "ao_exit","ao";
 	};
 
+	/*DCDC for MP8756GD*/
+	cpu_opp_table0: cpu_opp_table0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp00 {
+			opp-hz = /bits/ 64 <100000000>;
+			opp-microvolt = <731000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <250000000>;
+			opp-microvolt = <731000>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <500000000>;
+			opp-microvolt = <731000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <667000000>;
+			opp-microvolt = <761000>;
+		};
+		opp04 {
+			opp-hz = /bits/ 64 <1000000000>;
+			opp-microvolt = <781000>;
+		};
+		opp05 {
+			opp-hz = /bits/ 64 <1200000000>;
+			opp-microvolt = <801000>;
+		};
+		opp06 {
+			opp-hz = /bits/ 64 <1398000000>;
+			opp-microvolt = <831000>;
+		};
+		opp07 {
+			opp-hz = /bits/ 64 <1512000000>;
+			opp-microvolt = <861000>;
+		};
+		opp08 {
+			opp-hz = /bits/ 64 <1608000000>;
+			opp-microvolt = <891000>;
+		};
+		opp09 {
+			opp-hz = /bits/ 64 <1704000000>;
+			opp-microvolt = <921000>;
+		};
+		opp10 {
+			opp-hz = /bits/ 64 <1800000000>;
+			opp-microvolt = <981000>;
+		};
+		opp11 {
+			opp-hz = /bits/ 64 <1908000000>;
+			opp-microvolt = <1011000>;
+		};
+	};
+
+	cpufreq-meson {
+		compatible = "amlogic, cpufreq-meson";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm_ao_d_pins3>;
+		status = "okay";
+	};
+
+	tuner: tuner {
+		compatible = "amlogic, tuner";
+		status = "okay";
+		tuner_name = "mxl661_tuner";
+		tuner_i2c_adap = <&i2c0>;
+		tuner_i2c_addr = <0x60>;
+		tuner_xtal = <1>; /* 0: 16MHz, 1: 24MHz */
+		tuner_xtal_mode = <3>;
+					/* NO_SHARE_XTAL(0)
+					 * SLAVE_XTAL_SHARE(3)
+					 */
+		tuner_xtal_cap = <25>; /* when tuner_xtal_mode = 3, set 25 */
+	};
+
+	atv-demod {
+		compatible = "amlogic, atv-demod";
+		status = "okay";
+		tuner = <&tuner>;
+		btsc_sap_mode = <1>;
+		/* pinctrl-names="atvdemod_agc_pins"; */
+		/* pinctrl-0=<&atvdemod_agc_pins>; */
+		reg = <0xff656000 0x2000 /* demod reg */
+				0xff63c000 0x2000 /* hiu reg */
+				0xff634000 0x2000 /* periphs reg */
+				0xff64a000 0x2000>; /* audio reg */
+		reg_23cf = <0x88188832>;
+		/*default:0x88188832;r840 on haier:0x48188832*/
+	};
+
+	sd_emmc_b: sd@ffe05000 {
+		status = "okay";
+		compatible = "amlogic, meson-mmc-tl1";
+		reg = <0xffe05000 0x800>;
+		interrupts = <0 190 1>;
+
+		pinctrl-names = "sd_all_pins",
+			"sd_clk_cmd_pins",
+			"sd_1bit_pins";
+		pinctrl-0 = <&sd_all_pins>;
+		pinctrl-1 = <&sd_clk_cmd_pins>;
+		pinctrl-2 = <&sd_1bit_pins>;
+
+		clocks = <&clkc CLKID_SD_EMMC_B>,
+			<&clkc CLKID_SD_EMMC_B_P0_COMP>,
+			<&clkc CLKID_FCLK_DIV2>,
+			<&clkc CLKID_FCLK_DIV5>,
+			<&xtal>;
+		clock-names = "core", "clkin0", "clkin1", "clkin2", "xtal";
+
+		bus-width = <4>;
+		cap-sd-highspeed;
+		cap-mmc-highspeed;
+		max-frequency = <100000000>;
+		disable-wp;
+		sd {
+			pinname = "sd";
+			ocr_avail = <0x200080>; /**VDD voltage 3.3 ~ 3.4 */
+			caps = "MMC_CAP_4_BIT_DATA",
+				"MMC_CAP_MMC_HIGHSPEED",
+				"MMC_CAP_SD_HIGHSPEED",
+				"MMC_CAP_NONREMOVABLE"; /**ptm debug */
+			f_min = <400000>;
+			f_max = <200000000>;
+			max_req_size = <0x20000>; /**128KB*/
+			no_sduart = <1>;
+			gpio_dat3 = <&gpio GPIOC_3 GPIO_ACTIVE_HIGH>;
+			jtag_pin = <&gpio GPIOC_0 GPIO_ACTIVE_HIGH>;
+			gpio_cd = <&gpio GPIOC_10 GPIO_ACTIVE_HIGH>;
+			card_type = <5>;
+			/* 3:sdio device(ie:sdio-wifi),
+			 * 4:SD combo (IO+mem) card
+			 */
+		};
+	};
 }; /* end of / */
 
 &audiobus {
diff --git a/drivers/amlogic/mmc/amlsd.c b/drivers/amlogic/mmc/amlsd.c
index 35ac8983425c..a27dca28cbd8 100644
--- a/drivers/amlogic/mmc/amlsd.c
+++ b/drivers/amlogic/mmc/amlsd.c
@@ -885,7 +885,8 @@ int aml_sd_uart_detect(struct amlsd_platform *pdata)
 			return 1;
 		pdata->is_in = true;
 		pdata->gpio_cd_sta = true;
-		if (aml_is_sduart(pdata)) {
+		if ((!pdata->no_sduart)
+				&& aml_is_sduart(pdata)) {
 			aml_uart_switch(pdata, 1);
 			pr_info("Uart in\n");
 			mmc->caps &= ~MMC_CAP_4_BIT_DATA;
@@ -923,8 +924,10 @@ int aml_sd_uart_detect(struct amlsd_platform *pdata)
 			host->is_sduart = 0;
 		if (mmc && mmc->card)
 			mmc_card_set_removed(mmc->card);
-		aml_uart_switch(pdata, 0);
-		aml_jtag_switch_ao(pdata);
+		if (!pdata->no_sduart) {
+			aml_uart_switch(pdata, 0);
+			aml_jtag_switch_ao(pdata);
+		}
 		/* switch to 3.3V */
 		aml_sd_voltage_switch(mmc,
 				MMC_SIGNAL_VOLTAGE_330);
diff --git a/drivers/amlogic/mmc/amlsd_of.c b/drivers/amlogic/mmc/amlsd_of.c
index fc093edddbb5..a117ef59ee0f 100644
--- a/drivers/amlogic/mmc/amlsd_of.c
+++ b/drivers/amlogic/mmc/amlsd_of.c
@@ -187,6 +187,8 @@ int amlsd_get_platform_data(struct platform_device *pdev,
 				str, pdata->gpio_power);
 		SD_PARSE_U32_PROP_DEC(child, "calc_f",
 				prop, pdata->calc_f);
+		SD_PARSE_U32_PROP_DEC(child, "no_sduart",
+				prop, pdata->no_sduart);
 
 		SD_PARSE_U32_PROP_DEC(child, "gpio_cd_level",
 				prop, pdata->gpio_cd_level);
diff --git a/include/linux/amlogic/sd.h b/include/linux/amlogic/sd.h
index 5fea7cc01f87..fe081b0114dd 100644
--- a/include/linux/amlogic/sd.h
+++ b/include/linux/amlogic/sd.h
@@ -299,6 +299,7 @@ struct amlsd_platform {
 	unsigned int gpio_power;
 	unsigned int power_level;
 	unsigned int calc_f;
+	unsigned int no_sduart;
 
 	unsigned int auto_clk_close;
 	unsigned int vol_switch;