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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-20 12:58:32 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-20 12:58:32 -0700 |
commit | 2b2f72d8ce59acce95ceb156f0f31b848e32e6d4 (patch) | |
tree | 7a2699c4d9fb5fbab29d61be67ee08cd9091bcaf /Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt | |
parent | Merge tag 'xtensa-next-20160320' of git://github.com/czankel/xtensa-linux (diff) | |
parent | mailbox: rockchip: avoid 64-bit division (diff) | |
download | linux-dev-2b2f72d8ce59acce95ceb156f0f31b848e32e6d4.tar.xz linux-dev-2b2f72d8ce59acce95ceb156f0f31b848e32e6d4.zip |
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- mailbox bindings and drivers for
* APM X-Gene
* Hisilicon Hi6220
* Rockchip RK3368
platforms
- minor fixes to the above three drivers.
- misc cleanups of mailbox-test driver.
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: rockchip: avoid 64-bit division
mailbox: rockchip: Add Rockchip mailbox driver
dt-bindings: rockchip-mailbox: Add mailbox controller document on Rockchip SoCs
mailbox/xgene-slimpro: Checking for IS_ERR instead of NULL
mailbox: Hi6220: add mailbox driver
dt-bindings: mailbox: Document Hi6220 mailbox driver
mailbox: mailbox-test: add support for separate tx/rx buffer with single channel
mailbox: mailbox-test: use print_hex_dump_bytes to allow dynamic printk
mailbox: mailbox-test: fix the compatible string
mailbox: mailbox-test: rename driver as generic test driver
Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation
mailbox: Add support for APM X-Gene platform mailbox driver
Diffstat (limited to 'Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt new file mode 100644 index 000000000000..b6bb84acf5be --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt @@ -0,0 +1,32 @@ +Rockchip mailbox + +The Rockchip mailbox is used by the Rockchip CPU cores to communicate +requests to MCU processor. + +Refer to ./mailbox.txt for generic information about mailbox device-tree +bindings. + +Required properties: + + - compatible: should be one of the following. + - "rockchip,rk3368-mbox" for rk3368 + - reg: physical base address of the controller and length of memory mapped + region. + - interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. + - #mbox-cells: Common mailbox binding property to identify the number + of cells required for the mailbox specifier. Should be 1 + +Example: +-------- + +/* RK3368 */ +mbox: mbox@ff6b0000 { + compatible = "rockchip,rk3368-mailbox"; + reg = <0x0 0xff6b0000 0x0 0x1000>, + interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>; + #mbox-cells = <1>; +}; |