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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-13 07:31:46 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-13 12:43:53 +0200 |
| commit | 86186c232241b607f84cc266a6cda49160f44948 (patch) | |
| tree | 286a87dae7f2d8c3eda5b8551fc9b5f4db726c45 /dts/Bindings/spi/ti_qspi.txt | |
| parent | 0cf29e11efa66ad4515c9391303406c725be2c7a (diff) | |
| download | barebox-86186c232241b607f84cc266a6cda49160f44948.tar.gz barebox-86186c232241b607f84cc266a6cda49160f44948.tar.xz | |
dts: update to v4.7-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/spi/ti_qspi.txt')
| -rw-r--r-- | dts/Bindings/spi/ti_qspi.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/dts/Bindings/spi/ti_qspi.txt b/dts/Bindings/spi/ti_qspi.txt index cc8304aa64..50b14f6b53 100644 --- a/dts/Bindings/spi/ti_qspi.txt +++ b/dts/Bindings/spi/ti_qspi.txt @@ -19,6 +19,13 @@ Optional properties: - syscon-chipselects: Handle to system control region contains QSPI chipselect register and offset of that register. +NOTE: TI QSPI controller requires different pinmux and IODelay +paramaters for Mode-0 and Mode-3 operations, which needs to be set up by +the bootloader (U-Boot). Default configuration only supports Mode-0 +operation. Hence, "spi-cpol" and "spi-cpha" DT properties cannot be +specified in the slave nodes of TI QSPI controller without appropriate +modification to bootloader. + Example: For am4372: |