mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 14:37:57 +00:00
148 lines
3.9 KiB
Diff
148 lines
3.9 KiB
Diff
|
From ec2216edd465bcc7bd423ba2cae1058c22a8ef7e Mon Sep 17 00:00:00 2001
|
||
|
|
From: Dom Cobley <popcornmix@gmail.com>
|
||
|
|
Date: Fri, 5 Apr 2024 11:58:47 +0100
|
||
|
|
Subject: [PATCH 1011/1085] nvmem: raspberrypi: Enable nvmem otp driver through
|
||
|
|
DT
|
||
|
|
|
||
|
|
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
|
||
|
|
---
|
||
|
|
arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi | 17 ++++++++++
|
||
|
|
.../arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi | 23 +++++++++++++
|
||
|
|
arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 32 +++++++++++++++++++
|
||
|
|
arch/arm/boot/dts/overlays/README | 6 ++++
|
||
|
|
4 files changed, 78 insertions(+)
|
||
|
|
|
||
|
|
--- a/arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi
|
||
|
|
+++ b/arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi
|
||
|
|
@@ -19,11 +19,28 @@
|
||
|
|
hdmi = <&hdmi>,"status";
|
||
|
|
i2c2_iknowwhatimdoing = <&i2c2>,"status";
|
||
|
|
i2c2_baudrate = <&i2c2>,"clock-frequency:0";
|
||
|
|
+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
|
||
|
|
sd = <&sdhost>,"status";
|
||
|
|
sd_poll_once = <&sdhost>,"non-removable?";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
+&soc {
|
||
|
|
+ nvmem_otp: nvmem_otp {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <0 192>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_cust: nvmem_cust {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <1 8>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
&sdhost {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&sdhost_gpio48>;
|
||
|
|
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi
|
||
|
|
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi
|
||
|
|
@@ -10,6 +10,8 @@
|
||
|
|
eee = <&chosen>,"bootargs{on='',off='genet.eee=N'}";
|
||
|
|
hdmi = <&hdmi0>,"status",
|
||
|
|
<&hdmi1>,"status";
|
||
|
|
+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
|
||
|
|
+ nvmem_priv_rw = <&nvmem_priv>,"rw?";
|
||
|
|
pcie = <&pcie0>,"status";
|
||
|
|
sd = <&emmc2>,"status";
|
||
|
|
|
||
|
|
@@ -88,6 +90,27 @@
|
||
|
|
/* Add the physical <-> DMA mapping for the I/O space */
|
||
|
|
dma-ranges = <0xc0000000 0x0 0x00000000 0x40000000>,
|
||
|
|
<0x7c000000 0x0 0xfc000000 0x03800000>;
|
||
|
|
+
|
||
|
|
+ nvmem_otp: nvmem_otp {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <0 166>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_cust: nvmem_cust {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <1 8>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_priv: nvmem_priv {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <3 8>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
};
|
||
|
|
|
||
|
|
&scb {
|
||
|
|
--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
|
||
|
|
+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
|
||
|
|
@@ -45,6 +45,34 @@
|
||
|
|
trickle-charge-microvolt = <0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
+ nvmem_otp: nvmem_otp {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <0 192>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_cust: nvmem_cust {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <1 8>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_mac: nvmem_mac {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <2 6>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
+ nvmem_priv: nvmem_priv {
|
||
|
|
+ compatible = "raspberrypi,rpi-otp";
|
||
|
|
+ firmware = <&firmware>;
|
||
|
|
+ reg = <3 16>;
|
||
|
|
+ status = "okay";
|
||
|
|
+ };
|
||
|
|
+
|
||
|
|
/* Define these notional regulators for use by overlays, etc. */
|
||
|
|
vdd_3v3_reg: fixedregulator_3v3 {
|
||
|
|
compatible = "regulator-fixed";
|
||
|
|
@@ -67,6 +95,10 @@
|
||
|
|
__overrides__ {
|
||
|
|
arm_freq;
|
||
|
|
axiperf = <&axiperf>,"status";
|
||
|
|
+
|
||
|
|
+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
|
||
|
|
+ nvmem_priv_rw = <&nvmem_priv>,"rw?";
|
||
|
|
+ nvmem_mac_rw = <&nvmem_mac>,"rw?";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
--- a/arch/arm/boot/dts/overlays/README
|
||
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
||
|
|
@@ -300,6 +300,12 @@ Params:
|
||
|
|
|
||
|
|
nvme Alias for "pciex1" (2712 only)
|
||
|
|
|
||
|
|
+ nvmem_cust_rw Allow read/write access to customer otp
|
||
|
|
+
|
||
|
|
+ nvmem_mac_rw Allow read/write access to mac addresses otp
|
||
|
|
+
|
||
|
|
+ nvmem_priv_rw Allow read/write access to customer private otp
|
||
|
|
+
|
||
|
|
pcie Set to "off" to disable the PCIe interface
|
||
|
|
(default "on")
|
||
|
|
(2711 only, but not applicable on CM4S)
|