From da3e02a2366dd30f1f2bcd5ff528c0057f7e2f04 Mon Sep 17 00:00:00 2001 From: Srinivas Kandagatla Date: Tue, 11 Mar 2014 09:35:12 +0000 Subject: [PATCH] ARM: STi: STiH416: Add reset controller support. This patch adds a reset controller node to the SOC device tree and also adds new header files with reset lines required for other device tree nodes. Signed-off-by: Srinivas Kandagatla --- arch/arm/boot/dts/stih416.dtsi | 6 ++++++ .../reset-controller/stih416-resets.h | 21 +++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/reset-controller/stih416-resets.h diff --git a/arch/arm/boot/dts/stih416.dtsi b/arch/arm/boot/dts/stih416.dtsi index b7ab47b95816..e5bec660c55e 100644 --- a/arch/arm/boot/dts/stih416.dtsi +++ b/arch/arm/boot/dts/stih416.dtsi @@ -10,6 +10,7 @@ #include "stih416-clock.dtsi" #include "stih416-pinctrl.dtsi" #include +#include / { L2: cache-controller { compatible = "arm,pl310-cache"; @@ -27,6 +28,11 @@ soc { ranges; compatible = "simple-bus"; + powerdown: powerdown-controller { + #reset-cells = <1>; + compatible = "st,stih416-powerdown"; + }; + syscfg_sbc:sbc-syscfg@fe600000{ compatible = "st,stih416-sbc-syscfg", "syscon"; reg = <0xfe600000 0x1000>; diff --git a/include/dt-bindings/reset-controller/stih416-resets.h b/include/dt-bindings/reset-controller/stih416-resets.h new file mode 100644 index 000000000000..d7da55f08cd6 --- /dev/null +++ b/include/dt-bindings/reset-controller/stih416-resets.h @@ -0,0 +1,21 @@ +/* + * This header provides constants for the reset controller + * based peripheral powerdown requests on the STMicroelectronics + * STiH416 SoC. + */ +#ifndef _DT_BINDINGS_RESET_CONTROLLER_STIH416 +#define _DT_BINDINGS_RESET_CONTROLLER_STIH416 + +#define STIH416_EMISS_POWERDOWN 0 +#define STIH416_NAND_POWERDOWN 1 +#define STIH416_KEYSCAN_POWERDOWN 2 +#define STIH416_USB0_POWERDOWN 3 +#define STIH416_USB1_POWERDOWN 4 +#define STIH416_USB2_POWERDOWN 5 +#define STIH416_USB3_POWERDOWN 6 +#define STIH416_SATA0_POWERDOWN 7 +#define STIH416_SATA1_POWERDOWN 8 +#define STIH416_PCIE0_POWERDOWN 9 +#define STIH416_PCIE1_POWERDOWN 10 + +#endif /* _DT_BINDINGS_RESET_CONTROLLER_STIH416 */