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Thu, 25 Sep 2025 12:56:12 +0000 (GMT) From: Raghav Sharma To: krzk@kernel.org, s.nawrocki@samsung.com, cw00.choi@samsung.com, alim.akhtar@samsung.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, conor+dt@kernel.org, sunyeal.hong@samsung.com, shin.son@samsung.com Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, chandan.vn@samsung.com, dev.tailor@samsung.com, karthik.sun@samsung.com, Raghav Sharma Subject: [PATCH 1/3] dt-bindings: clock: exynosautov920: add mfc clock definitions Date: Thu, 25 Sep 2025 18:34:55 +0530 Message-Id: <20250925130457.3476803-2-raghav.s@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250925130457.3476803-1-raghav.s@samsung.com> 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 X-CMS-MailID: 20250925125616epcas5p37346312c6a788a5398212f671d8a369d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-543,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250925125616epcas5p37346312c6a788a5398212f671d8a369d References: <20250925130457.3476803-1-raghav.s@samsung.com> Add device tree clock binding definitions for CMU_MFC Signed-off-by: Raghav Sharma --- .../clock/samsung,exynosautov920-clock.yaml | 21 +++++++++++++++++++ .../clock/samsung,exynosautov920.h | 5 +++++ 2 files changed, 26 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/samsung,exynosautov920= -clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynosautov92= 0-clock.yaml index b2dfe6ed353a..5bf905f88a1a 100644 --- a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.= yaml +++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.= yaml @@ -39,6 +39,7 @@ properties: - samsung,exynosautov920-cmu-hsi1 - samsung,exynosautov920-cmu-hsi2 - samsung,exynosautov920-cmu-m2m + - samsung,exynosautov920-cmu-mfc - samsung,exynosautov920-cmu-misc - samsung,exynosautov920-cmu-peric0 - samsung,exynosautov920-cmu-peric1 @@ -247,6 +248,26 @@ allOf: - const: noc - const: jpeg =20 + - if: + properties: + compatible: + contains: + const: samsung,exynosautov920-cmu-mfc + + then: + properties: + clocks: + items: + - description: External reference clock (38.4 MHz) + - description: CMU_MFC MFC clock (from CMU_TOP) + - description: CMU_MFC WFD clock (from CMU_TOP) + + clock-names: + items: + - const: oscclk + - const: mfc + - const: wfd + required: - compatible - "#clock-cells" diff --git a/include/dt-bindings/clock/samsung,exynosautov920.h b/include/d= t-bindings/clock/samsung,exynosautov920.h index 0342a988565a..970d05167fc6 100644 --- a/include/dt-bindings/clock/samsung,exynosautov920.h +++ b/include/dt-bindings/clock/samsung,exynosautov920.h @@ -300,4 +300,9 @@ #define CLK_MOUT_M2M_NOC_USER 2 #define CLK_DOUT_M2M_NOCP 3 =20 +/* CMU_MFC */ +#define CLK_MOUT_MFC_MFC_USER 1 +#define CLK_MOUT_MFC_WFD_USER 2 +#define CLK_DOUT_MFC_NOCP 3 + #endif /* _DT_BINDINGS_CLOCK_EXYNOSAUTOV920_H */ --=20 2.34.1 From nobody Thu Oct 2 00:58:13 2025 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E2F541DF265 for ; 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Thu, 25 Sep 2025 12:56:22 +0000 (GMT) Received: from epcas5p1.samsung.com (unknown [182.195.38.87]) by epsnrtp01.localdomain (Postfix) with ESMTP id 4cXYcj0Td9z6B9m5; Thu, 25 Sep 2025 12:56:21 +0000 (GMT) Received: from epsmtip2.samsung.com (unknown [182.195.34.31]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20250925125620epcas5p359a6c18a13f2a2f895433e4dd241020e~oh8_pqdaR3191731917epcas5p3b; Thu, 25 Sep 2025 12:56:20 +0000 (GMT) Received: from bose.samsungds.net (unknown [107.108.83.9]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250925125616epsmtip2a9d8b9526bb0079104f1bd1de99262c4~oh87OeJVg1425914259epsmtip2j; Thu, 25 Sep 2025 12:56:16 +0000 (GMT) From: Raghav Sharma To: krzk@kernel.org, s.nawrocki@samsung.com, cw00.choi@samsung.com, alim.akhtar@samsung.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, conor+dt@kernel.org, sunyeal.hong@samsung.com, shin.son@samsung.com Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, chandan.vn@samsung.com, dev.tailor@samsung.com, karthik.sun@samsung.com, Raghav Sharma Subject: [PATCH 2/3] clk: samsung: exynosautov920: add block mfc clock support Date: Thu, 25 Sep 2025 18:34:56 +0530 Message-Id: <20250925130457.3476803-3-raghav.s@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250925130457.3476803-1-raghav.s@samsung.com> 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 X-CMS-MailID: 20250925125620epcas5p359a6c18a13f2a2f895433e4dd241020e X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-543,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250925125620epcas5p359a6c18a13f2a2f895433e4dd241020e References: <20250925130457.3476803-1-raghav.s@samsung.com> Add support for CMU_MFC which provides clocks to MFC block, and register the required compatible and cmu_info for the same. Signed-off-by: Raghav Sharma --- drivers/clk/samsung/clk-exynosautov920.c | 45 ++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/drivers/clk/samsung/clk-exynosautov920.c b/drivers/clk/samsung= /clk-exynosautov920.c index 75deec8bece5..b90b73c3518f 100644 --- a/drivers/clk/samsung/clk-exynosautov920.c +++ b/drivers/clk/samsung/clk-exynosautov920.c @@ -28,6 +28,7 @@ #define CLKS_NR_HSI1 (CLK_MOUT_HSI1_USBDRD + 1) #define CLKS_NR_HSI2 (CLK_DOUT_HSI2_ETHERNET_PTP + 1) #define CLKS_NR_M2M (CLK_DOUT_M2M_NOCP + 1) +#define CLKS_NR_MFC (CLK_DOUT_MFC_NOCP + 1) =20 /* ---- CMU_TOP ----------------------------------------------------------= -- */ =20 @@ -1863,6 +1864,47 @@ static const struct samsung_cmu_info m2m_cmu_info __= initconst =3D { .clk_name =3D "noc", }; =20 +/* ---- CMU_MFC --------------------------------------------------------- = */ + +/* Register Offset definitions for CMU_MFC (0x19c00000) */ +#define PLL_CON0_MUX_CLKCMU_MFC_MFC_USER 0x600 +#define PLL_CON0_MUX_CLKCMU_MFC_WFD_USER 0x610 +#define CLK_CON_DIV_DIV_CLK_MFC_NOCP 0x1800 + +static const unsigned long mfc_clk_regs[] __initconst =3D { + PLL_CON0_MUX_CLKCMU_MFC_MFC_USER, + PLL_CON0_MUX_CLKCMU_MFC_WFD_USER, + CLK_CON_DIV_DIV_CLK_MFC_NOCP, +}; + +/* List of parent clocks for Muxes in CMU_MFC */ +PNAME(mout_clkcmu_mfc_mfc_user_p) =3D { "oscclk", "dout_clkcmu_mfc_mfc" }; +PNAME(mout_clkcmu_mfc_wfd_user_p) =3D { "oscclk", "dout_clkcmu_mfc_wfd" }; + +static const struct samsung_mux_clock mfc_mux_clks[] __initconst =3D { + MUX(CLK_MOUT_MFC_MFC_USER, "mout_clkcmu_mfc_mfc_user", + mout_clkcmu_mfc_mfc_user_p, PLL_CON0_MUX_CLKCMU_MFC_MFC_USER, 4, 1), + MUX(CLK_MOUT_MFC_WFD_USER, "mout_clkcmu_mfc_wfd_user", + mout_clkcmu_mfc_wfd_user_p, PLL_CON0_MUX_CLKCMU_MFC_WFD_USER, 4, 1), +}; + +static const struct samsung_div_clock mfc_div_clks[] __initconst =3D { + DIV(CLK_DOUT_MFC_NOCP, "dout_mfc_nocp", + "mout_clkcmu_mfc_mfc_user", CLK_CON_DIV_DIV_CLK_MFC_NOCP, + 0, 3), +}; + +static const struct samsung_cmu_info mfc_cmu_info __initconst =3D { + .mux_clks =3D mfc_mux_clks, + .nr_mux_clks =3D ARRAY_SIZE(mfc_mux_clks), + .div_clks =3D mfc_div_clks, + .nr_div_clks =3D ARRAY_SIZE(mfc_div_clks), + .nr_clk_ids =3D CLKS_NR_MFC, + .clk_regs =3D mfc_clk_regs, + .nr_clk_regs =3D ARRAY_SIZE(mfc_clk_regs), + .clk_name =3D "noc", +}; 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Thu, 25 Sep 2025 12:56:24 +0000 (GMT) Received: from bose.samsungds.net (unknown [107.108.83.9]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250925125620epsmtip23c875d90d5ac17a4285aaef1ddbd0109~oh8__yXQ-1425914259epsmtip2k; Thu, 25 Sep 2025 12:56:20 +0000 (GMT) From: Raghav Sharma To: krzk@kernel.org, s.nawrocki@samsung.com, cw00.choi@samsung.com, alim.akhtar@samsung.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, conor+dt@kernel.org, sunyeal.hong@samsung.com, shin.son@samsung.com Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, chandan.vn@samsung.com, dev.tailor@samsung.com, karthik.sun@samsung.com, Raghav Sharma Subject: [PATCH 3/3] arm64: dts: exynosautov920: add CMU_MFC clock DT nodes Date: Thu, 25 Sep 2025 18:34:57 +0530 Message-Id: <20250925130457.3476803-4-raghav.s@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250925130457.3476803-1-raghav.s@samsung.com> 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 X-CMS-MailID: 20250925125624epcas5p1b8da5d2cca89128d286f740b9896c609 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-543,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250925125624epcas5p1b8da5d2cca89128d286f740b9896c609 References: <20250925130457.3476803-1-raghav.s@samsung.com> Add required dt node for CMU_MFC block, which provides clocks for MFC IP Signed-off-by: Raghav Sharma --- arch/arm64/boot/dts/exynos/exynosautov920.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/bo= ot/dts/exynos/exynosautov920.dtsi index d19d71faa6f8..6ee74d260776 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi @@ -1449,6 +1449,19 @@ ufs_0_phy: phy@16e04000 { status =3D "disabled"; }; =20 + cmu_mfc: clock-controller@19c00000 { + compatible =3D "samsung,exynosautov920-cmu-mfc"; + reg =3D <0x19c00000 0x8000>; + #clock-cells =3D <1>; + + clocks =3D <&xtcxo>, + <&cmu_top DOUT_CLKCMU_MFC_MFC>, + <&cmu_top DOUT_CLKCMU_MFC_WFD>; + clock-names =3D "oscclk", + "mfc", + "wfd"; + }; + pinctrl_aud: pinctrl@1a460000 { compatible =3D "samsung,exynosautov920-pinctrl"; reg =3D <0x1a460000 0x10000>; --=20 2.34.1