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authorManish Narani <manish.narani@xilinx.com>2019-11-20 12:17:28 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2019-11-20 13:55:55 +0100
commit1297eacfe79ed084f2608c43b31f3881ec9ffa7b (patch)
tree2967c08417722c3bb79ea3fd011976182a8eea98 /Documentation/devicetree
parentfirmware: xilinx: Add SDIO Tap Delay nodes (diff)
downloadwireguard-linux-1297eacfe79ed084f2608c43b31f3881ec9ffa7b.tar.xz
wireguard-linux-1297eacfe79ed084f2608c43b31f3881ec9ffa7b.zip
dt-bindings: mmc: arasan: Document 'xlnx,zynqmp-8.9a' controller
Add documentation for 'xlnx,zynqmp-8.9a' SDHCI controller and optional properties followed by example. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/mmc/arasan,sdhci.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index b0101c1f4864..428685eb2ded 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -15,6 +15,9 @@ Required Properties:
- "arasan,sdhci-5.1": generic Arasan SDHCI 5.1 PHY
- "rockchip,rk3399-sdhci-5.1", "arasan,sdhci-5.1": rk3399 eMMC PHY
For this device it is strongly suggested to include arasan,soc-ctl-syscon.
+ - "xlnx,zynqmp-8.9a": ZynqMP SDHCI 8.9a PHY
+ For this device it is strongly suggested to include clock-output-names and
+ #clock-cells.
- "ti,am654-sdhci-5.1", "arasan,sdhci-5.1": TI AM654 MMC PHY
Note: This binding has been deprecated and moved to [5].
- "intel,lgm-sdhci-5.1-emmc", "arasan,sdhci-5.1": Intel LGM eMMC PHY
@@ -49,6 +52,10 @@ Optional Properties:
- xlnx,int-clock-stable-broken: when present, the controller always reports
that the internal clock is stable even when it is not.
+ - xlnx,mio-bank: When specified, this will indicate the MIO bank number in
+ which the command and data lines are configured. If not specified, driver
+ will assume this as 0.
+
Example:
sdhci@e0100000 {
compatible = "arasan,sdhci-8.9a";
@@ -85,6 +92,18 @@ Example:
#clock-cells = <0>;
};
+ sdhci: mmc@ff160000 {
+ compatible = "xlnx,zynqmp-8.9a", "arasan,sdhci-8.9a";
+ interrupt-parent = <&gic>;
+ interrupts = <0 48 4>;
+ reg = <0x0 0xff160000 0x0 0x1000>;
+ clocks = <&clk200>, <&clk200>;
+ clock-names = "clk_xin", "clk_ahb";
+ clock-output-names = "clk_out_sd0", "clk_in_sd0";
+ #clock-cells = <1>;
+ clk-phase-sd-hs = <63>, <72>;
+ };
+
emmc: sdhci@ec700000 {
compatible = "intel,lgm-sdhci-5.1-emmc", "arasan,sdhci-5.1";
reg = <0xec700000 0x300>;