linux-kernel - [PATCH] soc: mediatek: Add command for APU SMC call

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Message-ID: <20211210171243.30212-1-flora.fu@mediatek.com>
Date:   Sat, 11 Dec 2021 01:12:43 +0800
From:   Flora Fu <flora.fu@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Pi-Cheng Chen <pi-cheng.chen@...iatek.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Flora Fu <flora.fu@...iatek.com>
Subject: [PATCH] soc: mediatek: Add command for APU SMC call

Add command for APU SMC call.
The APU microprocess's start and stop sequence will process in ATF.
In some SOCs, such as mt8195, it also requires clock and pll
controller through SMC call.

Signed-off-by: Flora Fu <flora.fu@...iatek.com>

---
 include/linux/soc/mediatek/mtk_sip_svc.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
index 082398e0cfb1..b0c19593f40d 100644
--- a/include/linux/soc/mediatek/mtk_sip_svc.h
+++ b/include/linux/soc/mediatek/mtk_sip_svc.h
@@ -22,4 +22,7 @@
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \
 			   ARM_SMCCC_OWNER_SIP, fn_id)
 
+/* APUSYS SMC call */
+#define MTK_SIP_APUSYS_CONTROL MTK_SIP_SMC_CMD(0x51E)
+
 #endif
-- 
2.18.0