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author | Sascha Hauer <s.hauer@pengutronix.de> | 2021-03-09 14:49:17 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-03-17 09:37:13 +0100 |
commit | f826d85b7ab0924d5bf1a5458c49e7f7d8207a23 (patch) | |
tree | dd6354e00da0aa143d1db6164e1a455dddb9b892 /dts/Bindings/c6x/emifa.txt | |
parent | 0e37f94fbe1bd189f35b3e1718549ec2f4a710ee (diff) | |
download | barebox-f826d85b7ab0924d5bf1a5458c49e7f7d8207a23.tar.gz barebox-f826d85b7ab0924d5bf1a5458c49e7f7d8207a23.tar.xz |
dts: update to v5.12-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/c6x/emifa.txt')
-rw-r--r-- | dts/Bindings/c6x/emifa.txt | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/dts/Bindings/c6x/emifa.txt b/dts/Bindings/c6x/emifa.txt deleted file mode 100644 index 0ff6e9b9a1..0000000000 --- a/dts/Bindings/c6x/emifa.txt +++ /dev/null @@ -1,62 +0,0 @@ -External Memory Interface -------------------------- - -The emifa node describes a simple external bus controller found on some C6X -SoCs. This interface provides external busses with a number of chip selects. - -Required properties: - -- compatible: must be "ti,c64x+emifa", "simple-bus" -- reg: register area base and size -- #address-cells: must be 2 (chip-select + offset) -- #size-cells: must be 1 -- ranges: mapping from EMIFA space to parent space - - -Optional properties: - -- ti,dscr-dev-enable: Device ID if EMIF is enabled/disabled from DSCR - -- ti,emifa-burst-priority: - Number of memory transfers after which the EMIF will elevate the priority - of the oldest command in the command FIFO. Setting this field to 255 - disables this feature, thereby allowing old commands to stay in the FIFO - indefinitely. - -- ti,emifa-ce-config: - Configuration values for each of the supported chip selects. - -Example: - - emifa@70000000 { - compatible = "ti,c64x+emifa", "simple-bus"; - #address-cells = <2>; - #size-cells = <1>; - reg = <0x70000000 0x100>; - ranges = <0x2 0x0 0xa0000000 0x00000008 - 0x3 0x0 0xb0000000 0x00400000 - 0x4 0x0 0xc0000000 0x10000000 - 0x5 0x0 0xD0000000 0x10000000>; - - ti,dscr-dev-enable = <13>; - ti,emifa-burst-priority = <255>; - ti,emifa-ce-config = <0x00240120 - 0x00240120 - 0x00240122 - 0x00240122>; - - flash@3,0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "cfi-flash"; - reg = <0x3 0x0 0x400000>; - bank-width = <1>; - device-width = <1>; - partition@0 { - reg = <0x0 0x400000>; - label = "NOR"; - }; - }; - }; - -This shows a flash chip attached to chip select 3. |