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			160 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			160 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From c1744e9e75a6a8abc7c893f349bcbf725b9c0d74 Mon Sep 17 00:00:00 2001
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From: Sam Shih <sam.shih@mediatek.com>
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Date: Fri, 6 Jan 2023 16:28:43 +0100
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Subject: [PATCH 08/19] arm64: dts: mt7986: add mmc related device nodes
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This patch adds mmc support for MT7986.
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Signed-off-by: Sam Shih <sam.shih@mediatek.com>
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Link: https://lore.kernel.org/r/20230106152845.88717-4-linux@fw-web.de
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Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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---
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 arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 96 ++++++++++++++++++++
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 arch/arm64/boot/dts/mediatek/mt7986a.dtsi    | 15 +++
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 2 files changed, 111 insertions(+)
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--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
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+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
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@@ -5,6 +5,8 @@
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  */
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 /dts-v1/;
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+#include <dt-bindings/pinctrl/mt65xx.h>
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+
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 #include "mt7986a.dtsi"
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 / {
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@@ -23,6 +25,24 @@
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 		device_type = "memory";
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 		reg = <0 0x40000000 0 0x40000000>;
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 	};
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+
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+	reg_1p8v: regulator-1p8v {
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+		compatible = "regulator-fixed";
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+		regulator-name = "fixed-1.8V";
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+		regulator-min-microvolt = <1800000>;
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+		regulator-max-microvolt = <1800000>;
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+		regulator-boot-on;
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+		regulator-always-on;
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+	};
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+
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+	reg_3p3v: regulator-3p3v {
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+		compatible = "regulator-fixed";
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+		regulator-name = "fixed-3.3V";
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+		regulator-min-microvolt = <3300000>;
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+		regulator-max-microvolt = <3300000>;
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+		regulator-boot-on;
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+		regulator-always-on;
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+	};
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 };
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 &crypto {
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@@ -58,7 +78,83 @@
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 	};
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 };
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+&mmc0 {
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+	pinctrl-names = "default", "state_uhs";
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+	pinctrl-0 = <&mmc0_pins_default>;
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+	pinctrl-1 = <&mmc0_pins_uhs>;
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+	bus-width = <8>;
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+	max-frequency = <200000000>;
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+	cap-mmc-highspeed;
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+	mmc-hs200-1_8v;
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+	mmc-hs400-1_8v;
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+	hs400-ds-delay = <0x14014>;
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+	vmmc-supply = <®_3p3v>;
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+	vqmmc-supply = <®_1p8v>;
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+	non-removable;
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+	no-sd;
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+	no-sdio;
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+	status = "okay";
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+};
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+
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 &pio {
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+	mmc0_pins_default: mmc0-pins {
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+		mux {
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+			function = "emmc";
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+			groups = "emmc_51";
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+		};
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+		conf-cmd-dat {
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+			pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
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+			       "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
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+			       "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
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+			input-enable;
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+			drive-strength = <4>;
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+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
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+		};
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+		conf-clk {
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+			pins = "EMMC_CK";
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+			drive-strength = <6>;
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+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
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+		};
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+		conf-ds {
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+			pins = "EMMC_DSL";
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+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
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+		};
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+		conf-rst {
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+			pins = "EMMC_RSTB";
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+			drive-strength = <4>;
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+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
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+		};
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+	};
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+
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+	mmc0_pins_uhs: mmc0-uhs-pins {
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+		mux {
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+			function = "emmc";
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+			groups = "emmc_51";
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+		};
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+		conf-cmd-dat {
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+			pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
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+			       "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
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+			       "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
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+			input-enable;
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+			drive-strength = <4>;
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+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
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+		};
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+		conf-clk {
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+			pins = "EMMC_CK";
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+			drive-strength = <6>;
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+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
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+		};
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+		conf-ds {
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+			pins = "EMMC_DSL";
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+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
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+		};
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+		conf-rst {
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+			pins = "EMMC_RSTB";
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+			drive-strength = <4>;
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+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
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+		};
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+	};
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+
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 	spi_flash_pins: spi-flash-pins {
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 		mux {
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 			function = "spi";
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--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
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+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
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@@ -345,6 +345,21 @@
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 			status = "disabled";
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 		};
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+		mmc0: mmc@11230000 {
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+			compatible = "mediatek,mt7986-mmc";
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+			reg = <0 0x11230000 0 0x1000>,
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+			      <0 0x11c20000 0 0x1000>;
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+			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
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+			clocks = <&topckgen CLK_TOP_EMMC_416M_SEL>,
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+				 <&infracfg CLK_INFRA_MSDC_HCK_CK>,
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+				 <&infracfg CLK_INFRA_MSDC_CK>,
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+				 <&infracfg CLK_INFRA_MSDC_133M_CK>,
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+				 <&infracfg CLK_INFRA_MSDC_66M_CK>;
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+			clock-names = "source", "hclk", "source_cg", "bus_clk",
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+				      "sys_cg";
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+			status = "disabled";
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+		};
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+
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 		usb_phy: t-phy@11e10000 {
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 			compatible = "mediatek,mt7986-tphy",
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 				     "mediatek,generic-tphy-v2";
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