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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-11-28 13:16:35 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-01-23 11:31:14 +0100 |
| commit | 8c452a889821ca0cd2a5f2e3e87fbc01e56408cb (patch) | |
| tree | 1fda47c781319d272032b97e1459443788d46298 /Documentation | |
| parent | selftests/powerpc: Enable range tests on 8xx in ptrace-hwbreak.c selftest (diff) | |
| download | linux-8c452a889821ca0cd2a5f2e3e87fbc01e56408cb.tar.xz linux-8c452a889821ca0cd2a5f2e3e87fbc01e56408cb.zip | |
powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl, spi nodes
Since commit 0f0581b24bd0 ("spi: fsl: Convert to use CS GPIO
descriptors"), the prefered way to define chipselect GPIOs is using
'cs-gpios' property instead of the legacy 'gpios' property.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7556683b57d8ce100855857f03d1cd3d2903d045.1574943062.git.christophe.leroy@c-s.fr
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/fsl-spi.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/spi/fsl-spi.txt b/Documentation/devicetree/bindings/spi/fsl-spi.txt index 411375eac54d..0654380eb751 100644 --- a/Documentation/devicetree/bindings/spi/fsl-spi.txt +++ b/Documentation/devicetree/bindings/spi/fsl-spi.txt @@ -15,13 +15,13 @@ Required properties: - clock-frequency : input clock frequency to non FSL_SOC cores Optional properties: -- gpios : specifies the gpio pins to be used for chipselects. +- cs-gpios : specifies the gpio pins to be used for chipselects. The gpios will be referred to as reg = <index> in the SPI child nodes. If unspecified, a single SPI device without a chip select can be used. - fsl,spisel_boot : for the MPC8306 and MPC8309, specifies that the SPISEL_BOOT signal is used as chip select for a slave device. Use reg = <number of gpios> in the corresponding child node, i.e. 0 if - the gpios property is not present. + the cs-gpios property is not present. Example: spi@4c0 { @@ -31,8 +31,8 @@ Example: interrupts = <82 0>; interrupt-parent = <700>; mode = "cpu"; - gpios = <&gpio 18 1 // device reg=<0> - &gpio 19 1>; // device reg=<1> + cs-gpios = <&gpio 18 1 // device reg=<0> + &gpio 19 1>; // device reg=<1> }; |