From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
The "altr,sysmgr-sdmmc-sdr" compatible property is used for the SOCFPGA
clk-sysmgr driver. This property represents the register inside the
system manager that controls the clock phase of the SD/MMC driver.
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxxx>
CC: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Mike Turquette <mturquette@xxxxxxxxxx>
CC: Olof Johansson <olof@xxxxxxxxx>
Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Chris Ball <cjb@xxxxxxxxxx>
Cc: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
Cc: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-mmc@xxxxxxxxxxxxxxx
CC: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
.../bindings/arm/altera/socfpga-system.txt | 10 ++++++++++
arch/arm/boot/dts/socfpga.dtsi | 12 ++++++++++--
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
index f4d04a0..7a6c7ed 100644
--- a/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-system.txt
@@ -5,9 +5,19 @@ Required properties:
- reg : Should contain 1 register ranges(address and length)
- cpu1-start-addr : CPU1 start address in hex.
+Optional properties:
+- compatible = "altr,sysmgr-sdmmc-sdr". This compatible property is used
+to represent the clock phase settings for the SD/MMC IP.
+
Example:
sysmgr@ffd08000 {
compatible = "altr,sys-mgr";
reg = <0xffd08000 0x1000>;
cpu1-start-addr = <0xffd080c4>;
+
+ sysmgr_sdr_mmc: sysmgr_sdr_mmc {
+ #clock-cells = <0>;
+ compatible = "altr,sysmgr-sdmmc-sdr";
+ reg = <0x108 1>;
+ };
};
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index e273fa9..0662d04 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -521,8 +521,16 @@
};
sysmgr@ffd08000 {
- compatible = "altr,sys-mgr";
- reg = <0xffd08000 0x4000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "altr,sys-mgr";
+ reg = <0xffd08000 0x4000>;
+
+ sysmgr_sdr_mmc: sysmgr_sdr_mmc {
+ #clock-cells = <0>;
+ compatible = "altr,sysmgr-sdmmc-sdr";
+ reg = <0x108 1>;
};
+ };
};
};
--
1.7.9.5
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