[PATCH v6 14/17] ARM: dts: microchip: sama7d65: add otpc node
claudiu beznea
claudiu.beznea at tuxon.dev
Sat Sep 19 06:31:06 PDT 2026
On 8/6/26 10:40, Varshini Rajendran wrote:
> Add OTPC node along with temperature calibration cell.
>
> Signed-off-by: Varshini Rajendran <varshini.rajendran at microchip.com>
> ---
> arch/arm/boot/dts/microchip/sama7d65.dtsi | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
> index c35f27615bc4..aac2e22d96cb 100644
> --- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
> +++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
> @@ -15,6 +15,7 @@
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/mfd/at91-usart.h>
> +#include <dt-bindings/nvmem/microchip,sama7g5-otpc.h>
This header is not needed for now. I can drop it while applying, if any.
Other than that:
Reviewed-by: Claudiu Beznea <claudiu.beznea at tuxon.dev>
>
> / {
> model = "Microchip SAMA7D65 family SoC";
> @@ -1111,6 +1112,21 @@ ddr3phy: ddr3phy at e3804000 {
> reg = <0xe3804000 0x1000>;
> };
>
> + otpc: efuse at e8c00000 {
> + compatible = "microchip,sama7d65-otpc", "microchip,sama7g5-otpc", "syscon";
> + reg = <0xe8c00000 0x100>;
> +
> + nvmem-layout {
> + compatible = "fixed-layout";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + temperature_calib: calib at 41435354 {
> + reg = <0x41435354 0x2c>; /* Temp calib data packet TAG */
> + };
> + };
> + };
> +
> gic: interrupt-controller at e8c11000 {
> compatible = "arm,cortex-a7-gic";
> reg = <0xe8c11000 0x1000>,
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