Thread (10 messages) flat view 10 messages, 4 authors, 2023-05-16

Re: [PATCH v3 4/4] ARM: dts: stm32: fix m4_rproc references to use SCMI

From: Alexandre TORGUE <alexandre.torgue@foss.st.com>
Date: 2023-05-16 15:35:24
Also in: linux-arm-kernel, linux-remoteproc, lkml

Hi Arnaud

On 5/12/23 11:39, Arnaud Pouliquen wrote:
Fixes stm32mp15*-scmi DTS files introduced in [1]:
This patch fixes the node which uses the MCU reset and adds the
missing HOLD_BOOT which is also handled by the SCMI reset service.

This change cannot be applied as a fix on commit [1], the management
of the hold boot impacts also the stm32_rproc driver.

[1] 'commit 5b7e58313a77 ("ARM: dts: stm32: Add SCMI version of STM32 boards (DK1/DK2/ED1/EV1)")'

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
I just ran YAML validation on your DT patches and it fails. I added your 
DT patches + dt-binding one (just for the test). I got the following issue:

/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dtb: m4@10000000: 
st,syscfg-holdboot: False schema does not allow [[7, 268, 1]]
	From schema: 
/local/home/frq08678/STLINUX/kernel/my-kernel/stm32/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml

Do I miss another dt-binding update not present in this series ?

alex
quoted hunk ↗ jump to hunk
  arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts | 6 ++++--
  arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts | 6 ++++--
  arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts | 6 ++++--
  arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts | 6 ++++--
  4 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
index e539cc80bef8..134788e64265 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts
@@ -55,8 +55,10 @@ &mdma1 {
  	resets = <&scmi_reset RST_SCMI_MDMA>;
  };
  
-&mlahb {
-	resets = <&scmi_reset RST_SCMI_MCU>;
+&m4_rproc {
+	resets = <&scmi_reset RST_SCMI_MCU>,
+		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
+	reset-names =  "mcu_rst", "hold_boot";
  };
  
  &rcc {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
index 97e4f94b0a24..c42e658debfb 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2-scmi.dts
@@ -61,8 +61,10 @@ &mdma1 {
  	resets = <&scmi_reset RST_SCMI_MDMA>;
  };
  
-&mlahb {
-	resets = <&scmi_reset RST_SCMI_MCU>;
+&m4_rproc {
+	resets = <&scmi_reset RST_SCMI_MCU>,
+		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
+	reset-names =  "mcu_rst", "hold_boot";
  };
  
  &rcc {
diff --git a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
index 9cf0a44d2f47..7a56ff2d4185 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1-scmi.dts
@@ -60,8 +60,10 @@ &mdma1 {
  	resets = <&scmi_reset RST_SCMI_MDMA>;
  };
  
-&mlahb {
-	resets = <&scmi_reset RST_SCMI_MCU>;
+&m4_rproc {
+	resets = <&scmi_reset RST_SCMI_MCU>,
+		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
+	reset-names =  "mcu_rst", "hold_boot";
  };
  
  &rcc {
diff --git a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
index 3b9dd6f4ccc9..119874dd91e4 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1-scmi.dts
@@ -66,8 +66,10 @@ &mdma1 {
  	resets = <&scmi_reset RST_SCMI_MDMA>;
  };
  
-&mlahb {
-	resets = <&scmi_reset RST_SCMI_MCU>;
+&m4_rproc {
+	resets = <&scmi_reset RST_SCMI_MCU>,
+		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
+	reset-names =  "mcu_rst", "hold_boot";
  };
  
  &rcc {
  
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