diff options
| author | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2018-11-27 13:49:52 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-12-06 23:26:33 -0500 |
| commit | 9119f547d3e9b9f488055b90572a8ff83125b3e2 (patch) | |
| tree | 65a6d134a30f87de51a0c161a62713190bc36179 /arch/arm | |
| parent | 283bcd9a341dcc344113daad82d8e5ab978ed260 (diff) | |
hwspinlock: add stm32 hardware spinlock support
Implement hardware spinlock support for STM32MP1.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/dts/stm32mp157c-ed1.dts | 4 | ||||
| -rw-r--r-- | arch/arm/dts/stm32mp157c.dtsi | 9 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32mp157c-ed1.dts b/arch/arm/dts/stm32mp157c-ed1.dts index f8b7701167..fc277dd7d2 100644 --- a/arch/arm/dts/stm32mp157c-ed1.dts +++ b/arch/arm/dts/stm32mp157c-ed1.dts @@ -365,6 +365,10 @@ usb33d-supply = <&usb33>; }; +&hwspinlock { + status = "okay"; +}; + &usbphyc_port0 { phy-supply = <&vdd_usb>; vdda1v1-supply = <®11>; diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi index 33c5981869..37cadfa30c 100644 --- a/arch/arm/dts/stm32mp157c.dtsi +++ b/arch/arm/dts/stm32mp157c.dtsi @@ -690,6 +690,15 @@ status = "disabled"; }; + hwspinlock: hwspinlock@4c000000 { + compatible = "st,stm32-hwspinlock"; + #hwlock-cells = <1>; + reg = <0x4c000000 0x400>; + clocks = <&rcc HSEM>; + clock-names = "hwspinlock"; + status = "disabled"; + }; + rcc: rcc@50000000 { compatible = "st,stm32mp1-rcc", "syscon"; reg = <0x50000000 0x1000>; |