linux-kernel - [PATCH v3 14/15] ARM: dts: dra7: Add high speed modes capability to MMC1/MMC2 dt node

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Date:   Wed, 25 Apr 2018 18:24:48 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Benoît Cousson  <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>
CC:     Jonathan Corbet <corbet@....net>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <linux-doc@...r.kernel.org>, <kishon@...com>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: [PATCH v3 14/15] ARM: dts: dra7: Add high speed modes capability to MMC1/MMC2 dt node

While the supported UHS mode can be obtained from CAPA2
register, SD Host Controller Standard Specification
doesn't define bits for MMC's HS200 and DDR mode capability.
Add properties to indicate MMC HS200 and DDR speed mode capability in
dt node.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 arch/arm/boot/dts/dra7.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index ae2f8dd46328..90f378b28915 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1086,6 +1086,7 @@
 			status = "disabled";
 			pbias-supply = <&pbias_mmc_reg>;
 			max-frequency = <192000000>;
+			mmc-ddr-1_8v;
 		};
 
 		hdqw1w: 1w@...b2000 {
@@ -1104,6 +1105,8 @@
 			max-frequency = <192000000>;
 			/* SDR104/DDR50/SDR50 bits in CAPA2 is not supported */
 			sdhci-caps-mask = <0x7 0x0>;
+			mmc-hs200-1_8v;
+			mmc-ddr-1_8v;
 		};
 
 		mmc3: mmc@...ad000 {
-- 
2.17.0