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From:   Alexandre Mergnat <amergnat@baylibre.com>
Date:   Wed, 29 Mar 2023 10:54:30 +0200
Subject: [PATCH v3 09/17] arm64: dts: mediatek: add mmc support for
 mt8365-evk
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To:     Wim Van Sebroeck <wim@linux-watchdog.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Chaotian Jing <chaotian.jing@mediatek.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Wenbin Mei <wenbin.mei@mediatek.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Zhiyong Tao <zhiyong.tao@mediatek.com>,
        =?utf-8?q?Bernhard_Rosenkr=C3=A4nzer?= <bero@baylibre.com>
Cc:     linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-mmc@vger.kernel.org,
        linux-gpio@vger.kernel.org,
        Alexandre Bailon <abailon@baylibre.com>,
        Fabien Parent <fparent@baylibre.com>,
        Amjad Ouled-Ameur <aouledameur@baylibre.com>,
        Alexandre Mergnat <amergnat@baylibre.com>
Precedence: bulk

- Add EMMC support on mmc0 (internal memory)
- Add SD-UHS support on mmc1 (external memory)

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 138 ++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 2f88562c638a..b5d018686cbe 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -97,6 +97,42 @@ &i2c0 {
 	#size-cells = <0>;
 };
 
+&mmc0 {
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&mmc0_default_pins>;
+	pinctrl-1 = <&mmc0_uhs_pins>;
+	bus-width = <8>;
+	max-frequency = <200000000>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	mmc-hs400-1_8v;
+	cap-mmc-hw-reset;
+	no-sdio;
+	no-sd;
+	hs400-ds-delay = <0x12012>;
+	vmmc-supply = <&mt6357_vemc_reg>;
+	vqmmc-supply = <&mt6357_vio18_reg>;
+	assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL>;
+	non-removable;
+	status = "okay";
+};
+
+&mmc1 {
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&mmc1_default_pins>;
+	pinctrl-1 = <&mmc1_uhs_pins>;
+	cd-gpios = <&pio 76 GPIO_ACTIVE_LOW>;
+	bus-width = <4>;
+	max-frequency = <200000000>;
+	cap-sd-highspeed;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	vmmc-supply = <&mt6357_vmch_reg>;
+	vqmmc-supply = <&mt6357_vio18_reg>;
+	status = "okay";
+};
+
 &mt6357_pmic {
 	interrupt-parent = <&pio>;
 	interrupts = <145 IRQ_TYPE_LEVEL_HIGH>;
@@ -123,6 +159,108 @@ pins {
 		};
 	};
 
+	mmc0_default_pins: mmc0-default-pins {
+		clk-pins {
+			pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>;
+			bias-pull-down;
+		};
+
+		cmd-dat-pins {
+			pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
+				 <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
+				 <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
+				 <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
+				 <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
+				 <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
+				 <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
+				 <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
+				 <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>;
+			input-enable;
+			bias-pull-up;
+		};
+
+		rst-pins {
+			pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>;
+			bias-pull-up;
+		};
+	};
+
+	mmc0_uhs_pins: mmc0-uhs-pins {
+		clk-pins {
+			pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>;
+			drive-strength = <MTK_DRIVE_10mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+		};
+
+		cmd-dat-pins {
+			pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
+				 <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
+				 <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
+				 <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
+				 <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
+				 <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
+				 <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
+				 <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
+				 <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>;
+			input-enable;
+			drive-strength = <MTK_DRIVE_10mA>;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+
+		ds-pins {
+			pinmux = <MT8365_PIN_104_MSDC0_DSL__FUNC_MSDC0_DSL>;
+			drive-strength = <MTK_DRIVE_10mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+		};
+
+		rst-pins {
+			pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>;
+			drive-strength = <MTK_DRIVE_10mA>;
+			bias-pull-up;
+		};
+	};
+
+	mmc1_default_pins: mmc1-default-pins {
+		cd-pins {
+			pinmux = <MT8365_PIN_76_CMDAT8__FUNC_GPIO76>;
+			bias-pull-up;
+		};
+
+		clk-pins {
+			pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+		};
+
+		cmd-dat-pins {
+			pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
+				 <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
+				 <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
+				 <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
+				 <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>;
+			input-enable;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+	};
+
+	mmc1_uhs_pins: mmc1-uhs-pins {
+		clk-pins {
+			pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>;
+			drive-strength = <MTK_DRIVE_8mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+		};
+
+		cmd-dat-pins {
+			pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
+				 <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
+				 <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
+				 <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
+				 <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>;
+			input-enable;
+			drive-strength = <MTK_DRIVE_6mA>;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins {
 			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,

-- 
2.25.1