From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
ping.bai@nxp.com, aisheng.dong@nxp.com,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 2/3] arm64: dts: imx8ulp: add scmi firmware node
Date: Wed, 17 Nov 2021 11:27:39 +0800 [thread overview]
Message-ID: <20211117032740.2518926-3-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20211117032740.2518926-1-peng.fan@oss.nxp.com>
From: Peng Fan <peng.fan@nxp.com>
i.MX8ULP use scmi firmware based power domain and sensor support.
So add the firmware node and the sram it uses.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index fb8714379026..d567ef93f8d8 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -6,6 +6,7 @@
#include <dt-bindings/clock/imx8ulp-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/imx8ulp-power.h>
#include "imx8ulp-pinfunc.h"
@@ -102,6 +103,40 @@ sosc: clock-sosc {
#clock-cells = <0>;
};
+ sram@2201f000 {
+ compatible = "mmio-sram";
+ reg = <0x0 0x2201f000 0x0 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x0 0x2201f000 0x1000>;
+
+ scmi_buf: scmi_buf@0 {
+ compatible = "arm,scmi-shmem";
+ reg = <0x0 0x400>;
+ };
+ };
+
+ firmware {
+ scmi {
+ compatible = "arm,scmi-smc";
+ arm,smc-id = <0xc20000fe>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ shmem = <&scmi_buf>;
+
+ scmi_devpd: protocol@11 {
+ reg = <0x11>;
+ #power-domain-cells = <1>;
+ };
+
+ scmi_sensor: protocol@15 {
+ reg = <0x15>;
+ #thermal-sensor-cells = <0>;
+ };
+ };
+ };
+
soc@0 {
compatible = "simple-bus";
#address-cells = <1>;
--
2.25.1
next prev parent reply other threads:[~2021-11-17 3:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 3:27 [PATCH 0/3] add i.MX8ULP scmi power domain Peng Fan (OSS)
2021-11-17 3:27 ` [PATCH 1/3] dt-bindings: power: imx8ulp: add power domain header file Peng Fan (OSS)
2021-11-29 22:14 ` Rob Herring
2021-11-17 3:27 ` Peng Fan (OSS) [this message]
2021-12-08 12:10 ` [PATCH 2/3] arm64: dts: imx8ulp: add scmi firmware node Shawn Guo
2021-12-08 13:22 ` Peng Fan
2021-11-17 3:27 ` [PATCH 3/3] arm64: dts: imx8ulp: add power domain entry for usdhc Peng Fan (OSS)
2021-11-17 3:43 ` [PATCH 0/3] add i.MX8ULP scmi power domain Peng Fan
2021-12-07 2:34 ` Peng Fan
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