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| author | Stephen Warren <swarren@nvidia.com> | 2016-06-17 09:43:57 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-06-19 17:05:55 -0600 |
| commit | 0f67e2395be44db2c1bef17b6ada2e46221908ed (patch) | |
| tree | 51733116f48f2b63eb690c5d6debdaa14f554490 /arch | |
| parent | 769d52ef0f04812fd65ef2f3ab921ad2e8562ab1 (diff) | |
| download | u-boot-imx-0f67e2395be44db2c1bef17b6ada2e46221908ed.zip u-boot-imx-0f67e2395be44db2c1bef17b6ada2e46221908ed.tar.gz u-boot-imx-0f67e2395be44db2c1bef17b6ada2e46221908ed.tar.bz2 | |
mailbox: add Tegra186 HSP driver
Tegra186's HSP module implements doorbells, mailboxes, semaphores, and
shared interrupts. This patch provides a driver for HSP, and hooks it
into the mailbox API. Currently, only doorbells are supported.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/tegra186.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/Kconfig | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/dts/tegra186.dtsi b/arch/arm/dts/tegra186.dtsi index 18b6a26..fce34fa6 100644 --- a/arch/arm/dts/tegra186.dtsi +++ b/arch/arm/dts/tegra186.dtsi @@ -1,6 +1,7 @@ #include "skeleton.dtsi" #include <dt-bindings/gpio/tegra-gpio.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/mailbox/tegra-hsp.h> / { compatible = "nvidia,tegra186"; @@ -40,6 +41,18 @@ status = "disabled"; }; + hsp: hsp@3c00000 { + compatible = "nvidia,tegra186-hsp"; + reg = <0x0 0x03c00000 0x0 0xa0000>; + interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>; + nvidia,num-SM = <0x8>; + nvidia,num-AS = <0x2>; + nvidia,num-SS = <0x2>; + nvidia,num-DB = <0x7>; + nvidia,num-SI = <0x8>; + #mbox-cells = <1>; + }; + gpio@c2f0000 { compatible = "nvidia,tegra186-gpio-aon"; reg-names = "security", "gpio"; diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index b18a12e..f4affa5 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -56,8 +56,10 @@ config TEGRA210 config TEGRA186 bool "Tegra186 family" + select DM_MAILBOX select TEGRA186_GPIO select TEGRA_ARMV8_COMMON + select TEGRA_HSP endchoice |