linux-kernel - [PATCH v2 2/9] mmc: dt-bindings: update Mediatek MMC bindings

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Date:	Tue, 20 Oct 2015 17:13:04 +0800
From:	Chaotian Jing <chaotian.jing@...iatek.com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
CC:	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-mediatek@...ts.infradead.org>, <linux-mmc@...r.kernel.org>,
	<linux-samsung-soc@...r.kernel.org>, <srv_heupstream@...iatek.com>
Subject: [PATCH v2 2/9] mmc: dt-bindings: update Mediatek MMC bindings

Add 400Mhz clock source for HS400 mode

Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>
---
 Documentation/devicetree/bindings/mmc/mtk-sd.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
index a1adfa4..0120c7f 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
@@ -17,6 +17,11 @@ Required properties:
 - vmmc-supply: power to the Core
 - vqmmc-supply: power to the IO
 
+Optional properties:
+- assigned-clocks: PLL of the source clock
+- assigned-clock-parents: parent of source clock, used for HS400 mode to get 400Mhz source clock
+- hs400-ds-delay: HS400 DS delay setting
+
 Examples:
 mmc0: mmc@...30000 {
 	compatible = "mediatek,mt8173-mmc", "mediatek,mt8135-mmc";
@@ -24,9 +29,13 @@ mmc0: mmc@...30000 {
 	interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_LOW>;
 	vmmc-supply = <&mt6397_vemc_3v3_reg>;
 	vqmmc-supply = <&mt6397_vio18_reg>;
-	clocks = <&pericfg CLK_PERI_MSDC30_0>, <&topckgen CLK_TOP_MSDC50_0_H_SEL>;
+	clocks = <&pericfg CLK_PERI_MSDC30_0>,
+	         <&topckgen CLK_TOP_MSDC50_0_H_SEL>;
 	clock-names = "source", "hclk";
 	pinctrl-names = "default", "state_uhs";
 	pinctrl-0 = <&mmc0_pins_default>;
 	pinctrl-1 = <&mmc0_pins_uhs>;
+	assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>;
+	hs400-ds-delay = <0x14015>;
 };
-- 
1.8.1.1.dirty

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