linux-kernel - [PATCH 2/2] 44x/fsp2: enable eMMC arasan for fsp2 platform

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Date:   Fri, 23 Jun 2017 18:47:26 +0300
From:   Ivan Mikhaylov <ivan@...ibm.com>
To:     Alistair Popple <alistair@...ple.id.au>,
        Matt Porter <mporter@...nel.crashing.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Patrice Chotard <patrice.chotard@...com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Joel Stanley <joel@....id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-mmc@...r.kernel.org, kernel@...inux.com
Subject: [PATCH 2/2] 44x/fsp2: enable eMMC arasan for fsp2 platform

* add mmc0 section into dts for arasan
* change defconfig appropriately

Signed-off-by: Ivan Mikhaylov <ivan@...ibm.com>
---
 arch/powerpc/boot/dts/fsp2.dts          |   19 +++++++++++++++++++
 arch/powerpc/configs/44x/fsp2_defconfig |    2 ++
 2 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/boot/dts/fsp2.dts b/arch/powerpc/boot/dts/fsp2.dts
index de9d606..6a63026 100644
--- a/arch/powerpc/boot/dts/fsp2.dts
+++ b/arch/powerpc/boot/dts/fsp2.dts
@@ -52,6 +52,7 @@
 	clocks {
 		mmc_clk: mmc_clk {
 			compatible = "fixed-clock";
+			#clock-cells = <0>;
 			clock-frequency = <50000000>;
 			clock-output-names = "mmc_clk";
 		};
@@ -487,6 +488,24 @@
 					 /*RXDE*/  4 &UIC1_2 13 0x4>;
 		};
 
+		mmc0: sdhci@...c0000 {
+			compatible	= "st,sdhci-stih407", "st,sdhci";
+			reg		= <0x020c0000 0x20000>;
+			reg-names	= "mmc";
+			interrupts	= <21 0x4>;
+			interrupt-parent = <&UIC1_3>;
+			interrupt-names	= "mmcirq";
+			pinctrl-names	= "default";
+			pinctrl-0	= <>;
+			clock-names	= "mmc";
+			clocks		= <&mmc_clk>;
+			bus-width	= <4>;
+			non-removable;
+			sd-uhs-sdr50;
+			sd-uhs-sdr104;
+			sd-uhs-ddr50;
+		};
+
 		opb {
 			compatible = "ibm,opb";
 			#address-cells = <1>;
diff --git a/arch/powerpc/configs/44x/fsp2_defconfig b/arch/powerpc/configs/44x/fsp2_defconfig
index e8e6a69..935aabe 100644
--- a/arch/powerpc/configs/44x/fsp2_defconfig
+++ b/arch/powerpc/configs/44x/fsp2_defconfig
@@ -92,8 +92,10 @@ CONFIG_MMC_DEBUG=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_OF_ARASAN=y
+CONFIG_MMC_SDHCI_ST=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_M41T80=y
+CONFIG_RESET_CONTROLLER=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
-- 
1.7.1