linux-kernel - [PATCH V3 0/3] nvmem: allow specifying cells by just names in DT

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Date:   Fri, 18 Feb 2022 08:07:26 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH V3 0/3] nvmem: allow specifying cells by just names in DT

From: Rafał Miłecki <rafal@...ecki.pl>

These changes will allow me to improve BCM5301X support with:

diff --git a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
index 24ae3c8a3..9efcb2424 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
@@ -25,6 +25,9 @@ memory@0 {
 	nvram@...f0000 {
 		compatible = "brcm,nvram";
 		reg = <0x1eff0000 0x10000>;
+
+		et0macaddr: et0macaddr {
+		};
 	};
 
 	leds {
@@ -72,6 +75,11 @@ restart {
 	};
 };
 
+&gmac0 {
+	nvmem-cells = <&et0macaddr>;
+	nvmem-cell-names = "mac-address";
+};
+
 &usb3 {
 	vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
 };

Rafał Miłecki (3):
  dt-bindings: nvmem: make "reg" property optional
  dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
  nvmem: core: add cell name based matching of DT cell nodes

 .../devicetree/bindings/nvmem/brcm,nvram.yaml | 25 +++++++++++++++--
 .../devicetree/bindings/nvmem/nvmem.yaml      |  3 ---
 drivers/nvmem/core.c                          | 27 +++++++++++++++++++
 3 files changed, 50 insertions(+), 5 deletions(-)

-- 
2.34.1