From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Introduce "altr,socfpga-dw-mshc" to enable Altera's SOCFPGA platform specific
implementation of the dwc_mmc driver.
Also add the "syscon" binding to the "altr,sys-mgr" node. The clock
driver can use the syscon driver to toggle the register for the SD/MMC
clock phase shift settings.
Finally, fix an indentation error for the sysmgr node.
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Acked-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
Tested-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
Cc: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
Cc: Chris Ball <chris@xxxxxxxxxx>
---
v3: Fix another indentation error
v2: Fix indentation for the sysmgr node
---
.../devicetree/bindings/mmc/socfpga-dw-mshc.txt | 23 ++++++++++++++++++++
arch/arm/boot/dts/socfpga.dtsi | 17 ++++++++++++---
arch/arm/boot/dts/socfpga_arria5.dtsi | 11 ++++++++++
arch/arm/boot/dts/socfpga_cyclone5.dtsi | 11 ++++++++++
arch/arm/boot/dts/socfpga_vt.dts | 11 ++++++++++
5 files changed, 70 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt
diff --git a/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt
new file mode 100644
index 0000000..4897bea
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt
@@ -0,0 +1,23 @@
+* Altera SOCFPGA specific extensions to the Synopsys Designware Mobile
+ Storage Host Controller
+
+The Synopsys designware mobile storage host controller is used to interface
+a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
+differences between the core Synopsys dw mshc controller properties described
+by synopsys-dw-mshc.txt and the properties used by the Altera SOCFPGA specific
+extensions to the Synopsys Designware Mobile Storage Host Controller.
+
+Required Properties:
+
+* compatible: should be
+ - "altr,socfpga-dw-mshc": for Altera's SOCFPGA platform
+
+Example:
+
+ mmc: dwmmc0@ff704000 {
+ compatible = "altr,socfpga-dw-mshc";
+ reg = <0xff704000 0x1000>;
+ interrupts = <0 129 4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 3d62f47..0166f47 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -474,6 +474,17 @@
arm,data-latency = <2 1 1>;
};
+ mmc: dwmmc0@ff704000 {
+ compatible = "altr,socfpga-dw-mshc";
+ reg = <0xff704000 0x1000>;
+ interrupts = <0 139 4>;
+ fifo-depth = <0x400>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&l4_mp_clk>, <&sdmmc_clk>;
+ clock-names = "biu", "ciu";
+ };
+
/* Local timer */
timer@fffec600 {
compatible = "arm,cortex-a9-twd-timer";
@@ -528,8 +539,8 @@
};
sysmgr@ffd08000 {
- compatible = "altr,sys-mgr";
- reg = <0xffd08000 0x4000>;
- };
+ compatible = "altr,sys-mgr", "syscon";
+ reg = <0xffd08000 0x4000>;
+ };
};
};
diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi
index a85b404..6c87b70 100644
--- a/arch/arm/boot/dts/socfpga_arria5.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria5.dtsi
@@ -27,6 +27,17 @@
};
};
+ dwmmc0@ff704000 {
+ num-slots = <1>;
+ supports-highspeed;
+ broken-cd;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ };
+ };
+
serial0@ffc02000 {
clock-frequency = <100000000>;
};
diff --git a/arch/arm/boot/dts/socfpga_cyclone5.dtsi b/arch/arm/boot/dts/socfpga_cyclone5.dtsi
index a8716f6..ca41b0e 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5.dtsi
+++ b/arch/arm/boot/dts/socfpga_cyclone5.dtsi
@@ -28,6 +28,17 @@
};
};
+ dwmmc0@ff704000 {
+ num-slots = <1>;
+ supports-highspeed;
+ broken-cd;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ };
+ };
+
ethernet@ff702000 {
phy-mode = "rgmii";
phy-addr = <0xffffffff>; /* probe for phy addr */
diff --git a/arch/arm/boot/dts/socfpga_vt.dts b/arch/arm/boot/dts/socfpga_vt.dts
index d1ec0ca..222313f 100644
--- a/arch/arm/boot/dts/socfpga_vt.dts
+++ b/arch/arm/boot/dts/socfpga_vt.dts
@@ -41,6 +41,17 @@
};
};
+ dwmmc0@ff704000 {
+ num-slots = <1>;
+ supports-highspeed;
+ broken-cd;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ };
+ };
+
ethernet@ff700000 {
phy-mode = "gmii";
status = "okay";
--
1.7.9.5
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