diff options
| author | Gustavo Solaira <gustavos@codeaurora.org> | 2017-08-07 18:31:34 -0700 |
|---|---|---|
| committer | Gustavo Solaira <gustavos@codeaurora.org> | 2017-08-18 10:24:59 -0700 |
| commit | cd4e77f1e941600d2ede57ff57c3dfb693566922 (patch) | |
| tree | d19e89280170a6a8126048ed7621ea103f0f476d | |
| parent | a49bb61510b938152025049730fa922c5da950a1 (diff) | |
spi: spidev: Add CAN controller and HSM support as spi slaves
Add compatible flags for CAN controller and HSM chip to use them
with the spidev driver from user space.
Change-Id: I154c29b6c912cac2560333ef635aa4a542fd1985
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spidev.txt | 30 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 | ||||
| -rw-r--r-- | drivers/spi/spidev.c | 2 |
3 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spidev.txt b/Documentation/devicetree/bindings/spi/spidev.txt new file mode 100644 index 000000000000..886eb4bfadf5 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spidev.txt @@ -0,0 +1,30 @@ +SPIDEV + +SPI slave devices using the spidev driver allowing for userspace +control of the SPI devices. Must be children of a SPI master node +and contain the following properties. + +Required properties: +- compatible: Should contain: + "nxp,mpc57xx" for external CAN controller + "infineon,sli97" for external HSM module + +- reg: Chip select address of device. +- spi-max-frequency: Maximum SPI clocking speed of device in Hz. + +Optional properties: +- spi-cpol: Empty property indicating device requires + inverse clock polarity (CPOL) mode. +- spi-cpha: Empty property indicating device requires + shifted clock phase (CPHA) mode. + +Other optional properties described in +Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + + spi@0 { + compatible = "nxp,mpc57xx"; + reg = <0>; + spi-max-frequency = <19200000>; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 91412a10bf65..f56384006cba 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -114,6 +114,7 @@ ibm International Business Machines (IBM) idt Integrated Device Technologies, Inc. iom Iomega Corporation img Imagination Technologies Ltd. +infineon Infineon Technologies AG ingenic Ingenic Semiconductor innolux Innolux Corporation intel Intel Corporation diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 9f161b2631f2..e5ca8f150617 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -696,6 +696,8 @@ static const struct of_device_id spidev_dt_ids[] = { { .compatible = "rohm,dh2228fv" }, { .compatible = "lineartechnology,ltc2488" }, { .compatible = "qcom,spi-msm-codec-slave", }, + { .compatible = "nxp,mpc57xx", }, + { .compatible = "infineon,sli97", }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); |