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148 lines
3.9 KiB
Diff
148 lines
3.9 KiB
Diff
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From ec2216edd465bcc7bd423ba2cae1058c22a8ef7e Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Fri, 5 Apr 2024 11:58:47 +0100
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Subject: [PATCH 1011/1085] nvmem: raspberrypi: Enable nvmem otp driver through
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DT
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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arch/arm/boot/dts/broadcom/bcm2708-rpi.dtsi | 17 ++++++++++
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.../arm/boot/dts/broadcom/bcm2711-rpi-ds.dtsi | 23 +++++++++++++
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arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 32 +++++++++++++++++++
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arch/arm/boot/dts/overlays/README | 6 ++++
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4 files changed, 78 insertions(+)
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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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@@ -19,11 +19,28 @@
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hdmi = <&hdmi>,"status";
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i2c2_iknowwhatimdoing = <&i2c2>,"status";
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i2c2_baudrate = <&i2c2>,"clock-frequency:0";
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+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
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sd = <&sdhost>,"status";
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sd_poll_once = <&sdhost>,"non-removable?";
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};
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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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+
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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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&sdhost {
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pinctrl-names = "default";
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pinctrl-0 = <&sdhost_gpio48>;
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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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@@ -10,6 +10,8 @@
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eee = <&chosen>,"bootargs{on='',off='genet.eee=N'}";
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hdmi = <&hdmi0>,"status",
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<&hdmi1>,"status";
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+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
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+ nvmem_priv_rw = <&nvmem_priv>,"rw?";
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pcie = <&pcie0>,"status";
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sd = <&emmc2>,"status";
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@@ -88,6 +90,27 @@
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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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+
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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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+
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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_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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&scb {
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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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@@ -45,6 +45,34 @@
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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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+
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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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+
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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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vdd_3v3_reg: fixedregulator_3v3 {
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compatible = "regulator-fixed";
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@@ -67,6 +95,10 @@
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__overrides__ {
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arm_freq;
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axiperf = <&axiperf>,"status";
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+
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+ nvmem_cust_rw = <&nvmem_cust>,"rw?";
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+ nvmem_priv_rw = <&nvmem_priv>,"rw?";
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+ nvmem_mac_rw = <&nvmem_mac>,"rw?";
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};
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};
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -300,6 +300,12 @@ Params:
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nvme Alias for "pciex1" (2712 only)
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+ nvmem_cust_rw Allow read/write access to customer otp
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+
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+ nvmem_mac_rw Allow read/write access to mac addresses otp
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+
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+ nvmem_priv_rw Allow read/write access to customer private otp
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+
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pcie Set to "off" to disable the PCIe interface
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(default "on")
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(2711 only, but not applicable on CM4S)
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