From nobody Sun Oct 5 12:46:58 2025 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C402C26D4E7; Tue, 5 Aug 2025 15:03:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754406196; cv=none; b=iuSXVC82rIlDgNcUwB7in7rL18wiqZI2ZTci1IcTRWDfkNBMYHHX3ODR19wXjrnAZY3dIWplQegpgHnH0JntQeV3Oz2LGqiWJh1Q8tW/y6MsG9UdoXN4IXfTVco0NTXdjfwuA2kxtgfkkFVIWGCCh4erU5UAufhMam3hMFyxC0E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754406196; c=relaxed/simple; bh=jVzBHlFKVGvMLz6WNe8g4/6jarkLbASjdSO7FeJiugU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qlXhBwwAmPbZUCFLm+2WRmzQV3sM53JDzOYmnmDikX5JmU2Ah01l1lDem2k/z8h68JaX/QfcMct346nMSaRR3F9EYJh/D6DY6aBlzaAOCb18IGt1RNqpua65rusmEaybQrhR2pvOi/TOUqtbkRKa4ydva0TcbtmkwXSH3ISXstw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=DOJ5Rb7F; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="DOJ5Rb7F" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 0CA6225F17; Tue, 5 Aug 2025 17:03:12 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id XSytV74AFPED; Tue, 5 Aug 2025 17:03:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1754406191; bh=jVzBHlFKVGvMLz6WNe8g4/6jarkLbASjdSO7FeJiugU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DOJ5Rb7FZ6ohSjzXK8mEQdTvdHh/vMD2RnZa+aJ+YHPcYgyHYwOccbeY7olj1fu5a ruHUYK52HvEwY/RmXIXxTVa1QpsMXYXbbBh/IT99uuCzoj33XG94zMGZUt2ux21d8K IT1AaIXHt31Z5V8oq9hob04vr/vtI5b+1EGSqqsPw/NOnuEABgb9iRZrVJG6phgAlf 1RqFqKFDhyyH1OW6Op+3TEu/Ni9MRHDQKtytDuHKm4S88MGA9kauQw6wK5/wHELbKB 8l/owOdCZUAqjeMAPoXifE+Aaz91w6McHTBfY0wPaALmEjW4YRhxtVH4sxfVajj9Q5 DDpmOgXiL3QsA== From: Yao Zi To: Yinbo Zhu , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit , Yao Zi Subject: [PATCH v3 1/8] dt-bindings: clock: loongson2: Add Loongson 2K0300 compatible Date: Tue, 5 Aug 2025 15:01:40 +0000 Message-ID: <20250805150147.25909-2-ziyao@disroot.org> In-Reply-To: <20250805150147.25909-1-ziyao@disroot.org> References: <20250805150147.25909-1-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Document the clock controller shipped in Loongson 2K0300 SoC, which generates various clock signals for SoC peripherals. Differing from previous generations of SoCs, 2K0300 requires a 120MHz external clock input, and a separate dt-binding header is used for cleanness. Signed-off-by: Yao Zi Reviewed-by: Krzysztof Kozlowski Reviewed-by: Yanteng Si --- .../bindings/clock/loongson,ls2k-clk.yaml | 21 ++++++-- MAINTAINERS | 1 + .../dt-bindings/clock/loongson,ls2k0300-clk.h | 54 +++++++++++++++++++ 3 files changed, 72 insertions(+), 4 deletions(-) create mode 100644 include/dt-bindings/clock/loongson,ls2k0300-clk.h diff --git a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml= b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml index 4f79cdb417ab..47eb6c0f85bc 100644 --- a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml +++ b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml @@ -16,6 +16,7 @@ description: | properties: compatible: enum: + - loongson,ls2k0300-clk - loongson,ls2k0500-clk - loongson,ls2k-clk # This is for Loongson-2K1000 - loongson,ls2k2000-clk @@ -24,8 +25,7 @@ properties: maxItems: 1 =20 clocks: - items: - - description: 100m ref + maxItems: 1 =20 clock-names: items: @@ -36,13 +36,26 @@ properties: description: The clock consumer should specify the desired clock by having the cl= ock ID in its "clocks" phandle cell. See include/dt-bindings/clock/loong= son,ls2k-clk.h - for the full list of Loongson-2 SoC clock IDs. + and include/dt-bindings/clock/loongson,ls2k0300-clk.h for the full l= ist of + Loongson-2 SoC clock IDs. + +allOf: + - if: + properties: + compatible: + contains: + const: loongson,ls2k0300-clk + then: + properties: + clock-names: false + else: + required: + - clock-names =20 required: - compatible - reg - clocks - - clock-names - '#clock-cells' =20 additionalProperties: false diff --git a/MAINTAINERS b/MAINTAINERS index 4912b8a83bbb..7960e65d7dfc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14365,6 +14365,7 @@ S: Maintained F: Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml F: drivers/clk/clk-loongson2.c F: include/dt-bindings/clock/loongson,ls2k-clk.h +F: include/dt-bindings/clock/loongson,ls2k0300-clk.h =20 LOONGSON SPI DRIVER M: Yinbo Zhu diff --git a/include/dt-bindings/clock/loongson,ls2k0300-clk.h b/include/dt= -bindings/clock/loongson,ls2k0300-clk.h new file mode 100644 index 000000000000..5e8f7b2f33f2 --- /dev/null +++ b/include/dt-bindings/clock/loongson,ls2k0300-clk.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ +/* + * Copyright (C) 2025 Yao Zi + */ +#ifndef _DT_BINDINGS_CLK_LOONGSON_LS2K300_H_ +#define _DT_BINDINGS_CLK_LOONGSON_LS2K300_H_ + +/* Derivied from REFCLK */ +#define LS2K0300_CLK_STABLE 0 +#define LS2K0300_PLL_NODE 1 +#define LS2K0300_PLL_DDR 2 +#define LS2K0300_PLL_PIX 3 +#define LS2K0300_CLK_THSENS 4 + +/* Derived from PLL_NODE */ +#define LS2K0300_CLK_NODE_DIV 5 +#define LS2K0300_CLK_NODE_PLL_GATE 6 +#define LS2K0300_CLK_NODE_SCALE 7 +#define LS2K0300_CLK_NODE_GATE 8 +#define LS2K0300_CLK_GMAC_DIV 9 +#define LS2K0300_CLK_GMAC_GATE 10 +#define LS2K0300_CLK_I2S_DIV 11 +#define LS2K0300_CLK_I2S_SCALE 12 +#define LS2K0300_CLK_I2S_GATE 13 + +/* Derived from PLL_DDR */ +#define LS2K0300_CLK_DDR_DIV 14 +#define LS2K0300_CLK_DDR_GATE 15 +#define LS2K0300_CLK_NET_DIV 16 +#define LS2K0300_CLK_NET_GATE 17 +#define LS2K0300_CLK_DEV_DIV 18 +#define LS2K0300_CLK_DEV_GATE 19 + +/* Derived from PLL_PIX */ +#define LS2K0300_CLK_PIX_DIV 20 +#define LS2K0300_CLK_PIX_PLL_GATE 21 +#define LS2K0300_CLK_PIX_SCALE 22 +#define LS2K0300_CLK_PIX_GATE 23 +#define LS2K0300_CLK_GMACBP_DIV 24 +#define LS2K0300_CLK_GMACBP_GATE 25 + +/* Derived from CLK_DEV */ +#define LS2K0300_CLK_USB_SCALE 26 +#define LS2K0300_CLK_USB_GATE 27 +#define LS2K0300_CLK_APB_SCALE 28 +#define LS2K0300_CLK_APB_GATE 29 +#define LS2K0300_CLK_BOOT_SCALE 30 +#define LS2K0300_CLK_BOOT_GATE 31 +#define LS2K0300_CLK_SDIO_SCALE 32 +#define LS2K0300_CLK_SDIO_GATE 33 + +#define LS2K0300_CLK_GMAC_IN 34 + +#endif // _DT_BINDINGS_CLK_LOONGSON_LS2K300_H_ --=20 2.50.1