linux-kernel - [PATCH 4/4] ARM: dts: stm32: Add romem and temperature calibration on stm32mp157c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1548866336-14765-5-git-send-email-fabrice.gasnier@st.com>
Date:   Wed, 30 Jan 2019 17:38:56 +0100
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <srinivas.kandagatla@...aro.org>, <robh+dt@...nel.org>,
        <alexandre.torgue@...com>
CC:     <mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
        <fabrice.gasnier@...com>, <lionel.debieve@...com>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/4] ARM: dts: stm32: Add romem and temperature calibration on stm32mp157c

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@...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@...05000 {
+			compatible = "st,stm32mp15-bsec";
+			reg = <0x5c005000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ts_cal1: calib@5c {
+				reg = <0x5c 0x2>;
+			};
+			ts_cal2: calib@5e {
+				reg = <0x5e 0x2>;
+			};
+		};
+
 		i2c6: i2c@...09000 {
 			compatible = "st,stm32f7-i2c";
 			reg = <0x5c009000 0x400>;
-- 
1.9.1