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Sun, 17 May 2026 07:13:52 -0700 (PDT) From: Chuanhong Guo Date: Sun, 17 May 2026 22:12:55 +0800 Subject: [PATCH 1/4] riscv: add Siflower RISC-V SoC family Kconfig support Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260517-sf21-topcrm-v1-1-438f2e0513ff@gmail.com> References: <20260517-sf21-topcrm-v1-0-438f2e0513ff@gmail.com> In-Reply-To: <20260517-sf21-topcrm-v1-0-438f2e0513ff@gmail.com> To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Michael Turquette , Stephen Boyd , Brian Masney , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, Chuanhong Guo X-Mailer: b4 0.14.3 Siflower RISC-V SoCs, including SF21A6826 and SF21H8898, are RISC-V chips with T-Head C908 cores for home routers and gateways. Add a Kconfig entry named ARCH_SIFLOWER for them. Notably these chips uses ARM PL011 for UART. ARM_AMBA is selected for its driver. Signed-off-by: Chuanhong Guo --- arch/riscv/Kconfig.socs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index c174ac0ec46b..9996591cd9db 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -37,6 +37,13 @@ config ARCH_SIFIVE help This enables support for SiFive SoC platform hardware. +config ARCH_SIFLOWER + bool "Siflower RISC-V SoCs" + select ARM_AMBA if TTY + select ERRATA_THEAD + help + This enables support for Siflower RISC-V SoC platform hardware. + config ARCH_SOPHGO bool "Sophgo SoCs" help -- 2.54.0