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Sun, 17 May 2026 07:14:01 -0700 (PDT) From: Chuanhong Guo Date: Sun, 17 May 2026 22:12:56 +0800 Subject: [PATCH 2/4] dt-bindings: clock: add binding header for sf21-topcrm 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-v1-2-438f2e0513ff@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 Add the device tree binding header for Siflower SF21A6826/SF21H8898 toplevel clock and reset module. The header covers both clock and reset IDs provided by the block. CLK_ETH_REF_P is a clock name that exists in the vendor datasheet. This clock connects directly to CLK_PCIEPLL_FOUT2 and there's no clock gate/mux in between. An alias is created for this clock to make available clock names align with the datasheet. Signed-off-by: Chuanhong Guo --- include/dt-bindings/clock/siflower,sf21-topcrm.h | 63 ++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/include/dt-bindings/clock/siflower,sf21-topcrm.h b/include/dt-bindings/clock/siflower,sf21-topcrm.h new file mode 100644 index 000000000000..3690b3452501 --- /dev/null +++ b/include/dt-bindings/clock/siflower,sf21-topcrm.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ + +#ifndef _DT_BINDINGS_CLK_SIFLOWER_SF21_TOPCRM_H +#define _DT_BINDINGS_CLK_SIFLOWER_SF21_TOPCRM_H + +#define SF21_CLK_CMNPLL_VCO 0 +#define SF21_CLK_CMNPLL_POSTDIV 1 + +#define SF21_CLK_DDRPLL_POSTDIV 2 + +#define SF21_CLK_PCIEPLL_VCO 3 +#define SF21_CLK_PCIEPLL_FOUT0 4 +#define SF21_CLK_PCIEPLL_FOUT1 5 +#define SF21_CLK_PCIEPLL_FOUT2 6 +#define SF21_CLK_ETH_REF_P SF21_CLK_PCIEPLL_FOUT2 +#define SF21_CLK_PCIEPLL_FOUT3 7 + +#define SF21_CLK_CPU 8 +#define SF21_CLK_PIC 9 +#define SF21_CLK_AXI 10 +#define SF21_CLK_AHB 11 +#define SF21_CLK_APB 12 +#define SF21_CLK_UART 13 +#define SF21_CLK_IRAM 14 +#define SF21_CLK_NPU 15 +#define SF21_CLK_DDRPHY_REF 16 +#define SF21_CLK_DDR_BYPASS 17 +#define SF21_CLK_ETHTSU 18 +#define SF21_CLK_GMAC_BYP_REF 19 +#define SF21_CLK_USB 20 +#define SF21_CLK_USBPHY 21 +#define SF21_CLK_SERDES_CSR 22 +#define SF21_CLK_CRYPT_CSR 23 +#define SF21_CLK_CRYPT_APP 24 +#define SF21_CLK_IROM 25 +#define SF21_CLK_BOOT 26 +#define SF21_CLK_PVT 27 +#define SF21_CLK_PLL_TEST 28 +#define SF21_CLK_PCIE_REFN 29 +#define SF21_CLK_PCIE_REFP 30 +#define SF21_CLK_MAX 31 + +#define SF21_RESET_GIC 0 +#define SF21_RESET_AXI 1 +#define SF21_RESET_AHB 2 +#define SF21_RESET_APB 3 +#define SF21_RESET_IRAM 4 +#define SF21_RESET_NPU 5 +#define SF21_RESET_DDR_CTL 6 +#define SF21_RESET_DDR_PHY 7 +#define SF21_RESET_DDR_PWR_OK_IN 8 +#define SF21_RESET_DDR_CTL_APB 9 +#define SF21_RESET_DDR_PHY_APB 10 +#define SF21_RESET_USB 11 +#define SF21_RESET_PVT 12 +#define SF21_RESET_SERDES_CSR 13 +#define SF21_RESET_CRYPT_CSR 14 +#define SF21_RESET_CRYPT_APP 15 +#define SF21_RESET_NPU2DDR_ASYNCBRIDGE 16 +#define SF21_RESET_IROM 17 +#define SF21_RESET_MAX 18 + +#endif -- 2.54.0