tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <srinivas.kandagatla@st.com>
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arch/arm/boot/dts/stih416.dtsi
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arch/arm/boot/dts/stih416.dtsi
···
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#include "stih416-clock.dtsi"
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#include "stih416-pinctrl.dtsi"
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/reset-controller/stih416-resets.h>
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/ {
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L2: cache-controller {
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compatible = "arm,pl310-cache";
···
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interrupt-parent = <&intc>;
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ranges;
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compatible = "simple-bus";
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powerdown: powerdown-controller {
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#reset-cells = <1>;
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compatible = "st,stih416-powerdown";
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};
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syscfg_sbc:sbc-syscfg@fe600000{
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compatible = "st,stih416-sbc-syscfg", "syscon";
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include/dt-bindings/reset-controller/stih416-resets.h
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include/dt-bindings/reset-controller/stih416-resets.h
···
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/*
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* This header provides constants for the reset controller
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* based peripheral powerdown requests on the STMicroelectronics
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* STiH416 SoC.
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*/
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#ifndef _DT_BINDINGS_RESET_CONTROLLER_STIH416
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#define _DT_BINDINGS_RESET_CONTROLLER_STIH416
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#define STIH416_EMISS_POWERDOWN 0
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#define STIH416_NAND_POWERDOWN 1
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#define STIH416_KEYSCAN_POWERDOWN 2
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#define STIH416_USB0_POWERDOWN 3
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#define STIH416_USB1_POWERDOWN 4
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#define STIH416_USB2_POWERDOWN 5
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#define STIH416_USB3_POWERDOWN 6
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#define STIH416_SATA0_POWERDOWN 7
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#define STIH416_SATA1_POWERDOWN 8
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#define STIH416_PCIE0_POWERDOWN 9
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#define STIH416_PCIE1_POWERDOWN 10
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#endif /* _DT_BINDINGS_RESET_CONTROLLER_STIH416 */