From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-renesas-soc@vger.kernel.org
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org
Subject: [PATCH v2 2/2] arm64: renesas: r8a78000-ironhide: enable to use SCMI
Date: Tue, 19 May 2026 09:47:04 +0200 [thread overview]
Message-ID: <20260519074702.3308-6-wsa+renesas@sang-engineering.com> (raw)
In-Reply-To: <20260519074702.3308-4-wsa+renesas@sang-engineering.com>
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Enable SCMI via MFIS-SCP and STCM transport area to manage clocks.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
.../boot/dts/renesas/r8a78000-ironhide.dts | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts b/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
index a721734fbd5d..86bbe5fbb118 100644
--- a/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
+++ b/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
@@ -6,6 +6,7 @@
*/
/dts-v1/;
+#include <dt-bindings/soc/renesas,r8a78000-mfis.h>
#include "r8a78000.dtsi"
/ {
@@ -20,6 +21,23 @@ chosen {
stdout-path = "serial0:1843200n8";
};
+ firmware {
+ scmi: scmi {
+ compatible = "arm,scmi";
+ mboxes = <&mfis_scp 2 MFIS_CHANNEL_TX>, <&mfis_scp 2 MFIS_CHANNEL_RX>;
+ mbox-names = "tx", "rx";
+ shmem = <&scmi_tx_shmem>, <&scmi_rx_shmem>;
+ arm,no-completion-irq;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ scmi_clk: protocol@14 {
+ reg = <0x14>;
+ #clock-cells = <1>;
+ };
+ };
+ };
+
memory@60600000 {
device_type = "memory";
/* first 518MiB is reserved for other purposes. */
@@ -80,6 +98,22 @@ &hscif0 {
status = "okay";
};
+&mfis_scp {
+ status = "okay";
+};
+
&scif_clk {
clock-frequency = <26000000>;
};
+
+&stcm_transport {
+ scmi_tx_shmem: sram@1200 {
+ compatible = "arm,scmi-shmem";
+ reg = <0x1200 0x0100>;
+ };
+
+ scmi_rx_shmem: sram@1300 {
+ compatible = "arm,scmi-shmem";
+ reg = <0x1300 0x100>;
+ };
+};
--
2.51.0
next prev parent reply other threads:[~2026-05-19 7:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-19 7:47 [PATCH v2 0/2] arm64: renesas: r8a78000-ironhide: enable SCMI Wolfram Sang
2026-05-19 7:47 ` [PATCH v2 1/2] arm64: renesas: r8a78000: add MFIS, MFIS SCP and transport nodes Wolfram Sang
2026-05-19 8:05 ` sashiko-bot
2026-05-19 8:38 ` Wolfram Sang
2026-05-27 7:42 ` Geert Uytterhoeven
2026-05-19 7:47 ` Wolfram Sang [this message]
2026-05-19 8:17 ` [PATCH v2 2/2] arm64: renesas: r8a78000-ironhide: enable to use SCMI sashiko-bot
2026-05-19 8:39 ` Wolfram Sang
2026-05-27 7:49 ` Geert Uytterhoeven
2026-05-27 8:14 ` Wolfram Sang
2026-05-28 13:30 ` Geert Uytterhoeven
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