summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorHaibo Chen <haibo.chen@nxp.com>2023-07-26 19:24:57 +0800
committerMarc Kleine-Budde <mkl@pengutronix.de>2023-10-06 12:54:33 +0200
commit23ed2be5404da7cee6a519fa69bf22d0f69da4e4 (patch)
tree0820f16fd71110d3ec10681f94e824690a43cca5 /arch
parenta9967c9ad290c086e1445b660263375985dffb3a (diff)
arm64: dts: imx93: add the Flex-CAN stop mode by GPR
imx93 A0 chip use the internal q-channel handshake signal in LPCG and CCM to automatically handle the Flex-CAN stop mode. But this method meet issue when do the system PM stress test. IC can't fix it easily. So in the new imx93 A1 chip, IC drop this method, and involve back the old way,use the GPR method to trigger the Flex-CAN stop mode signal. Now NXP claim to drop imx93 A0, and only support imx93 A1. So here add the stop mode through GPR. This patch also fix a typo for aonmix_ns_gpr. Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Link: https://lore.kernel.org/all/20230726112458.3524165-1-haibo.chen@nxp.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/freescale/imx93.dtsi4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 6f85a05ee7e1..dcf6e4846ac9 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -185,7 +185,7 @@
#size-cells = <1>;
ranges;
- anomix_ns_gpr: syscon@44210000 {
+ aonmix_ns_gpr: syscon@44210000 {
compatible = "fsl,imx93-aonmix-ns-syscfg", "syscon";
reg = <0x44210000 0x1000>;
};
@@ -319,6 +319,7 @@
assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
+ fsl,stop-mode = <&aonmix_ns_gpr 0x14 0>;
status = "disabled";
};
@@ -591,6 +592,7 @@
assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
+ fsl,stop-mode = <&wakeupmix_gpr 0x0c 2>;
status = "disabled";
};