linux-kernel - [PATCH v6 14/16] riscv: dts: thead: Add T-Head PMU extension for th1520

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Message-ID: <20231225103308.1557548-15-peterlin@andestech.com>
Date: Mon, 25 Dec 2023 18:33:06 +0800
From: Yu Chien Peter Lin <peterlin@...estech.com>
To: <acme@...nel.org>, <adrian.hunter@...el.com>, <ajones@...tanamicro.com>,
        <alexander.shishkin@...ux.intel.com>, <andre.przywara@....com>,
        <anup@...infault.org>, <aou@...s.berkeley.edu>,
        <atishp@...shpatra.org>, <conor+dt@...nel.org>,
        <conor.dooley@...rochip.com>, <conor@...nel.org>,
        <devicetree@...r.kernel.org>, <dminus@...estech.com>,
        <evan@...osinc.com>, <geert+renesas@...der.be>, <guoren@...nel.org>,
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        <krzysztof.kozlowski+dt@...aro.org>,
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Subject: [PATCH v6 14/16] riscv: dts: thead: Add T-Head PMU extension for th1520

xtheadpmu stands for T-Head Performance Monitor Unit extension.
Based on the added T-Head PMU ISA string, the SBI PMU driver
will make use of the non-standard irq source.

Signed-off-by: Yu Chien Peter Lin <peterlin@...estech.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
Changes v4 -> v5:
  - New patch
Changes v5 -> v6:
  - Include Conor's Acked-by
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index ba4d2c673ac8..2dad2b22824a 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -22,7 +22,7 @@ c910_0: cpu@0 {
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
-					       "zifencei", "zihpm";
+					       "zifencei", "zihpm", "xtheadpmu";
 			reg = <0>;
 			i-cache-block-size = <64>;
 			i-cache-size = <65536>;
@@ -46,7 +46,7 @@ c910_1: cpu@1 {
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
-					       "zifencei", "zihpm";
+					       "zifencei", "zihpm", "xtheadpmu";
 			reg = <1>;
 			i-cache-block-size = <64>;
 			i-cache-size = <65536>;
@@ -70,7 +70,7 @@ c910_2: cpu@2 {
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
-					       "zifencei", "zihpm";
+					       "zifencei", "zihpm", "xtheadpmu";
 			reg = <2>;
 			i-cache-block-size = <64>;
 			i-cache-size = <65536>;
@@ -94,7 +94,7 @@ c910_3: cpu@3 {
 			riscv,isa = "rv64imafdc";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
-					       "zifencei", "zihpm";
+					       "zifencei", "zihpm", "xtheadpmu";
 			reg = <3>;
 			i-cache-block-size = <64>;
 			i-cache-size = <65536>;
-- 
2.34.1