linux-kernel - [PATCH v3 10/10] arm64: dts: mediatek: add HS200/HS400/SDR50/SDR104 support

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Message-ID: <1445927070-5102-11-git-send-email-chaotian.jing@mediatek.com>
Date:	Tue, 27 Oct 2015 14:24:30 +0800
From:	Chaotian Jing <chaotian.jing@...iatek.com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
CC:	<linux-mediatek@...ts.infradead.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Barry Song <baohua@...nel.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Chaotian Jing <chaotian.jing@...iatek.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Howard Chen <ibanezchen@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kristina Martsenko <kristina.martsenko@...il.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Minda Chen <Minda.Chen@....com>,
	Dong Aisheng <b29396@...escale.com>,
	Johan Derycke <johan.derycke@...co.com>,
	Haibo Chen <haibo.chen@...escale.com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Georgi Djakov <georgi.djakov@...aro.org>,
	<ivan.ivanov@...aro.org>, Weijun Yang <Weijun.Yang@....com>,
	Kevin Hao <haokexin@...il.com>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mmc@...r.kernel.org>, <linux-samsung-soc@...r.kernel.org>,
	<srv_heupstream@...iatek.com>
Subject: [PATCH v3 10/10] arm64: dts: mediatek: add HS200/HS400/SDR50/SDR104 support

add HS200/HS400 support for eMMC
add SDR50/SDR104 support for SD

Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 6d79ffc..a061221 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -70,11 +70,16 @@
 	pinctrl-0 = <&mmc0_pins_default>;
 	pinctrl-1 = <&mmc0_pins_uhs>;
 	bus-width = <8>;
-	max-frequency = <50000000>;
+	max-frequency = <200000000>;
 	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	mmc-hs400-1_8v;
 	cap-mmc-hw-reset;
+	hs400-ds-delay = <0x14015>;
 	vmmc-supply = <&mt6397_vemc_3v3_reg>;
 	vqmmc-supply = <&mt6397_vio18_reg>;
+	assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>;
 	non-removable;
 };
 
@@ -84,9 +89,10 @@
 	pinctrl-0 = <&mmc1_pins_default>;
 	pinctrl-1 = <&mmc1_pins_uhs>;
 	bus-width = <4>;
-	max-frequency = <50000000>;
+	max-frequency = <200000000>;
 	cap-sd-highspeed;
-	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
 	cd-gpios = <&pio 132 0>;
 	vmmc-supply = <&mt6397_vmch_reg>;
 	vqmmc-supply = <&mt6397_vmc_reg>;
@@ -155,13 +161,19 @@
 				 <MT8173_PIN_64_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
 				 <MT8173_PIN_66_MSDC0_CMD__FUNC_MSDC0_CMD>;
 			input-enable;
-			drive-strength = <MTK_DRIVE_2mA>;
+			drive-strength = <MTK_DRIVE_4mA>;
 			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
 		};
 
 		pins_clk {
 			pinmux = <MT8173_PIN_65_MSDC0_CLK__FUNC_MSDC0_CLK>;
-			drive-strength = <MTK_DRIVE_2mA>;
+			drive-strength = <MTK_DRIVE_4mA>;
+			bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
+		};
+
+		pins_ds {
+			pinmux = <MT8173_PIN_67_MSDC0_DSL__FUNC_MSDC0_DSL>;
+			drive-strength = <MTK_DRIVE_6mA>;
 			bias-pull-down = <MTK_PUPD_SET_R1R0_01>;
 		};
 
@@ -179,13 +191,13 @@
 				 <MT8173_PIN_76_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
 				 <MT8173_PIN_78_MSDC1_CMD__FUNC_MSDC1_CMD>;
 			input-enable;
-			drive-strength = <MTK_DRIVE_4mA>;
+			drive-strength = <MTK_DRIVE_6mA>;
 			bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
 		};
 
 		pins_clk {
 			pinmux = <MT8173_PIN_77_MSDC1_CLK__FUNC_MSDC1_CLK>;
-			drive-strength = <MTK_DRIVE_4mA>;
+			drive-strength = <MTK_DRIVE_8mA>;
 			bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
 		};
 	};
-- 
1.8.1.1.dirty

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