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Message-Id: <20260115-adding-b-dtsi-v2-4-254dd61cf947@riscstar.com>
Date: Thu, 15 Jan 2026 07:19:00 +0800
From: Guodong Xu <guodong@...cstar.com>
To: Jonathan Corbet <corbet@....net>, Paul Walmsley <pjw@...nel.org>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Alexandre Ghiti <alex@...ti.fr>, Conor Dooley <conor.dooley@...rochip.com>,
Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...il.com>,
Yixun Lan <dlan@...too.org>, Conor Dooley <conor+dt@...nel.org>
Cc: Junhui Liu <junhui.liu@...moral.tech>, linux-doc@...r.kernel.org,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, sophgo@...ts.linux.dev,
spacemit@...ts.linux.dev, Guodong Xu <guodong@...cstar.com>
Subject: [PATCH v2 4/4] riscv: dts: spacemit: k1: Add "b" ISA extension
"b" is ratified (Apr/2024) much later than its components zba/zbb/zbs
(Jun/2021). With "b" added into riscv/extensions.yaml, a dependency
checking rule is now enforced, which requires that when zba, zbb, and zbs
are all specified, "b" must be added as well. Failing to do this will
cause dtbs_check schema check warnings.
According to uabi.rst, as a single-letter extension, "b" should be added
after "c" in canonical order.
Update k1.dtsi to conform to this rule.
Signed-off-by: Guodong Xu <guodong@...cstar.com>
---
v2: New patch, a split from the Patch 2 in v1. This patch is for
Spacemit K1.
---
arch/riscv/boot/dts/spacemit/k1.dtsi | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 4c045da95d72..2917b315728f 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -54,9 +54,9 @@ cpu_0: cpu@0 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <0>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -84,9 +84,9 @@ cpu_1: cpu@1 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <1>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -114,9 +114,9 @@ cpu_2: cpu@2 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <2>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -144,9 +144,9 @@ cpu_3: cpu@3 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <3>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -174,9 +174,9 @@ cpu_4: cpu@4 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <4>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -204,9 +204,9 @@ cpu_5: cpu@5 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <5>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -234,9 +234,9 @@ cpu_6: cpu@6 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <6>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
@@ -264,9 +264,9 @@ cpu_7: cpu@7 {
compatible = "spacemit,x60", "riscv";
device_type = "cpu";
reg = <7>;
- riscv,isa = "rv64imafdcv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
+ riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
riscv,isa-base = "rv64i";
- riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "v", "zicbom",
+ riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
"zicbop", "zicboz", "zicntr", "zicond", "zicsr",
"zifencei", "zihintpause", "zihpm", "zfh", "zba",
"zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
--
2.43.0
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