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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
176 lines
4.3 KiB
Diff
176 lines
4.3 KiB
Diff
From a2fb37fbc6cc3f92c3ea2e1d8f4e15d924ac860c Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 30 May 2024 15:59:52 +0100
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Subject: [PATCH 1110/1135] ARM: dts: Move rpi-otp nodes onto a dedicated bus
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The rpi-otp driver uses a virtualised, OTP-relative addressing scheme.
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However, when instance nodes are children of "/soc" they appear to be
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addressable directly by the host, which is wrong (but not in a way which
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causes an error unless one goes looking for one).
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Add a wrapper (bus) node without a "ranges" property to make the
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separation clear.
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See: https://github.com/raspberrypi/linux/issues/6196
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi | 30 ++++++-----
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.../arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi | 39 ++++++++------
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arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 52 +++++++++++--------
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3 files changed, 69 insertions(+), 52 deletions(-)
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--- a/arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi
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@@ -26,18 +26,24 @@
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};
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&soc {
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- nvmem_otp: nvmem_otp {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <0 192>;
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- status = "okay";
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- };
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+ nvmem {
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+ compatible = "simple-bus";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ nvmem_otp: nvmem_otp {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <0 192>;
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+ status = "okay";
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+ };
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- nvmem_cust: nvmem_cust {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <1 8>;
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- status = "okay";
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+ nvmem_cust: nvmem_cust {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <1 8>;
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+ status = "okay";
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+ };
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};
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};
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--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi
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@@ -90,26 +90,31 @@
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/* Add the physical <-> DMA mapping for the I/O space */
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dma-ranges = <0xc0000000 0x0 0x00000000 0x40000000>,
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<0x7c000000 0x0 0xfc000000 0x03800000>;
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+ nvmem {
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+ compatible = "simple-bus";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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- nvmem_otp: nvmem_otp {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <0 166>;
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- status = "okay";
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- };
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+ nvmem_otp: nvmem_otp {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <0 166>;
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+ status = "okay";
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+ };
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- nvmem_cust: nvmem_cust {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <1 8>;
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- status = "okay";
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- };
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+ nvmem_cust: nvmem_cust {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <1 8>;
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+ status = "okay";
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+ };
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- nvmem_priv: nvmem_priv {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <3 8>;
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- status = "okay";
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+ nvmem_priv: nvmem_priv {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <3 8>;
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+ status = "okay";
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+ };
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};
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};
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--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
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@@ -45,32 +45,38 @@
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trickle-charge-microvolt = <0>;
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};
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- nvmem_otp: nvmem_otp {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <0 192>;
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- status = "okay";
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- };
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+ nvmem {
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+ compatible = "simple-bus";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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- nvmem_cust: nvmem_cust {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <1 8>;
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- status = "okay";
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- };
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+ nvmem_otp: nvmem_otp {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <0 192>;
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+ status = "okay";
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+ };
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- nvmem_mac: nvmem_mac {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <2 6>;
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- status = "okay";
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- };
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+ nvmem_cust: nvmem_cust {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <1 8>;
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+ status = "okay";
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+ };
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+
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+ nvmem_mac: nvmem_mac {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <2 6>;
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+ status = "okay";
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+ };
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- nvmem_priv: nvmem_priv {
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- compatible = "raspberrypi,rpi-otp";
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- firmware = <&firmware>;
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- reg = <3 16>;
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- status = "okay";
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+ nvmem_priv: nvmem_priv {
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+ compatible = "raspberrypi,rpi-otp";
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+ firmware = <&firmware>;
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+ reg = <3 16>;
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+ status = "okay";
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+ };
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};
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/* Define these notional regulators for use by overlays, etc. */
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