[Linux-stm32] [PATCH v2 5/6] ARM: dts: stm32: Add romem and temperature calibration on stm32mp157c

Fabrice Gasnier fabrice.gasnier at st.com
Thu Feb 28 10:19:55 UTC 2019


Add & enable stm32 factory-programmed memory. Describe temperature sensor
calibration cells. Non-volatile calibration data is made available by
stm32mp157c bootrom in bsec_dataX registers.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 8bf1c17..9a7ac80 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -1106,6 +1106,19 @@
 			status = "disabled";
 		};
 
+		bsec: nvmem at 5c005000 {
+			compatible = "st,stm32mp15-bsec";
+			reg = <0x5c005000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ts_cal1: calib at 5c {
+				reg = <0x5c 0x2>;
+			};
+			ts_cal2: calib at 5e {
+				reg = <0x5e 0x2>;
+			};
+		};
+
 		i2c6: i2c at 5c009000 {
 			compatible = "st,stm32f7-i2c";
 			reg = <0x5c009000 0x400>;
-- 
2.7.4




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