linux-kernel - [PATCH v2 17/33] arm64: zynqmp: Add nvmem alises for eeproms

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Date:   Mon, 14 Jun 2021 17:25:25 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Quanyang Wang <quanyang.wang@...driver.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 17/33] arm64: zynqmp: Add nvmem alises for eeproms

Use nvmem alias to point to eeprom memory which contains information about
board. The change is done based on discussion in the link below.

Link: https://lore.kernel.org/r/CAL_JsqLMDqpkyg-Q7mUfw-XH67-v068Q6e9wTq2UOoN=0-_coQ@mail.gmail.com
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

Changes in v2: None

 arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts | 1 +
 arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts | 3 ++-
 arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts | 1 +
 arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts | 1 +
 arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts | 1 +
 5 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
index 1a45e4946dd4..339a12b255c1 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
@@ -25,6 +25,7 @@ aliases {
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		mmc0 = &sdhci1;
+		nvmem0 = &eeprom;
 		rtc0 = &rtc;
 		serial0 = &uart0;
 		serial1 = &uart1;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
index d7ecfcadd08b..4c328569c3ac 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
@@ -23,6 +23,7 @@ aliases {
 		ethernet0 = &gem3;
 		i2c0 = &i2c1;
 		mmc0 = &sdhci1;
+		nvmem0 = &eeprom;
 		rtc0 = &rtc;
 		serial0 = &uart0;
 		serial1 = &uart1;
@@ -146,7 +147,7 @@ i2c@0 {
 			 * 512B - 768B address 0x56
 			 * 768B - 1024B address 0x57
 			 */
-			eeprom@54 { /* u23 */
+			eeprom: eeprom@54 { /* u23 */
 				compatible = "atmel,24c08";
 				reg = <0x54>;
 				#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
index 403a8ea6a36f..99d172867f6a 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
@@ -23,6 +23,7 @@ aliases {
 		ethernet0 = &gem3;
 		i2c0 = &i2c1;
 		mmc0 = &sdhci1;
+		nvmem0 = &eeprom;
 		rtc0 = &rtc;
 		serial0 = &uart0;
 		serial1 = &uart1;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index 186d2e00d4a0..dbb8bfbb5c7f 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -25,6 +25,7 @@ aliases {
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		mmc0 = &sdhci1;
+		nvmem0 = &eeprom;
 		rtc0 = &rtc;
 		serial0 = &uart0;
 		serial1 = &uart1;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
index e646246a3b14..85e9d0e2f9bd 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
@@ -25,6 +25,7 @@ aliases {
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		mmc0 = &sdhci1;
+		nvmem0 = &eeprom;
 		rtc0 = &rtc;
 		serial0 = &uart0;
 		serial1 = &dcc;
-- 
2.32.0