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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-11 08:26:30 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-11 17:23:13 +0200 |
| commit | 35f607bc7da71b302fd6bf3d6d48d7ea66df1195 (patch) | |
| tree | dd2cf14c56430d21079c794fa6e03d7f5d91070e /dts/Bindings/fsi/fsi-master-ast-cf.txt | |
| parent | 625eea2765d94aee016cf25d9cabecde8eae0775 (diff) | |
| download | barebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.gz barebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.xz | |
dts: update to v4.19-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/fsi/fsi-master-ast-cf.txt')
| -rw-r--r-- | dts/Bindings/fsi/fsi-master-ast-cf.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/dts/Bindings/fsi/fsi-master-ast-cf.txt b/dts/Bindings/fsi/fsi-master-ast-cf.txt new file mode 100644 index 0000000000..3dc752db74 --- /dev/null +++ b/dts/Bindings/fsi/fsi-master-ast-cf.txt @@ -0,0 +1,36 @@ +Device-tree bindings for ColdFire offloaded gpio-based FSI master driver +------------------------------------------------------------------------ + +Required properties: + - compatible = + "aspeed,ast2400-cf-fsi-master" for an AST2400 based system + or + "aspeed,ast2500-cf-fsi-master" for an AST2500 based system + + - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock + - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal + - enable-gpios = <gpio-descriptor>; : GPIO for enable signal + - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable + - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other + functions (eg, external FSI masters) + - memory-region = <phandle>; : Reference to the reserved memory for + the ColdFire. Must be 2M aligned on + AST2400 and 1M aligned on AST2500 + - aspeed,sram = <phandle>; : Reference to the SRAM node. + - aspeed,cvic = <phandle>; : Reference to the CVIC node. + +Examples: + + fsi-master { + compatible = "aspeed,ast2500-cf-fsi-master", "fsi-master"; + + clock-gpios = <&gpio 0>; + data-gpios = <&gpio 1>; + enable-gpios = <&gpio 2>; + trans-gpios = <&gpio 3>; + mux-gpios = <&gpio 4>; + + memory-region = <&coldfire_memory>; + aspeed,sram = <&sram>; + aspeed,cvic = <&cvic>; + } |