[PATCH v2 13/21] ARM: Layerscape: LS1028a: add psci node

Sascha Hauer s.hauer at pengutronix.de
Tue Jan 9 08:15:19 PST 2024


The upstream dts files do not contain a psci node. Add one in order
to use PSCI to reset the system. This will also add a PSCI node to the
dtb the kernel is started with so that the Kernel can use PSCI to bring
up the secondary CPU core.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/configs/layerscape_defconfig | 1 +
 arch/arm/dts/fsl-ls1028a.dtsi         | 7 +++++++
 2 files changed, 8 insertions(+)
 create mode 100644 arch/arm/dts/fsl-ls1028a.dtsi

diff --git a/arch/arm/configs/layerscape_defconfig b/arch/arm/configs/layerscape_defconfig
index 35b254f139..5a5ea784e1 100644
--- a/arch/arm/configs/layerscape_defconfig
+++ b/arch/arm/configs/layerscape_defconfig
@@ -3,6 +3,7 @@ CONFIG_ARCH_LAYERSCAPE_PPA=y
 CONFIG_MACH_LS1046ARDB=y
 CONFIG_MACH_TQMLS1046A=y
 CONFIG_64BIT=y
+CONFIG_ARM_PSCI_CLIENT=y
 CONFIG_MMU=y
 CONFIG_MALLOC_SIZE=0x0
 CONFIG_MALLOC_TLSF=y
diff --git a/arch/arm/dts/fsl-ls1028a.dtsi b/arch/arm/dts/fsl-ls1028a.dtsi
new file mode 100644
index 0000000000..a15a219cfa
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1028a.dtsi
@@ -0,0 +1,7 @@
+
+/ {
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+};
-- 
2.39.2




More information about the barebox mailing list