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Sun, 31 Aug 2025 05:13:16 -0700 (PDT) Received: from [127.0.0.1] ([135.237.130.227]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-70fb289f518sm21163776d6.56.2025.08.31.05.13.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Aug 2025 05:13:16 -0700 (PDT) From: Denzeel Oliva Date: Sun, 31 Aug 2025 12:13:14 +0000 Subject: [PATCH v2 1/3] dt-bindings: clock: exynos990: Add LHS_ACEL clock ID for HSI0 block Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250831-usb-v2-1-00b9c0559733@gmail.com> References: <20250831-usb-v2-0-00b9c0559733@gmail.com> In-Reply-To: <20250831-usb-v2-0-00b9c0559733@gmail.com> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley 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, Denzeel Oliva X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756642395; l=964; i=wachiturroxd150@gmail.com; s=20250831; h=from:subject:message-id; bh=Y5ib2A821TGtO7Tso5IrBl4dNZg/AkkxdznejeB74+c=; b=zSaXZeYe/Hz8dpMJY0IGGqiUCvUC9X2v++PPU2nt4T5/ax+RG8q9r6kmZogQmtrX3FG5f5dc0 FFrIl9UZnP7DuVn2PRKFg5/aeGZkRf76GZgDJZSiH5F5p7uZCxgGKbx X-Developer-Key: i=wachiturroxd150@gmail.com; a=ed25519; pk=3fZmF8+BzoNPhZuzL19/BkBXzCDwLBPlLqQYILU0U5k= Add the missing LHS_ACEL clock ID for the HSI0 block. This clock is required for proper USB operation, as without it, USB connections fail with errors like device descriptor read timeouts and address response issues. Signed-off-by: Denzeel Oliva Acked-by: Rob Herring (Arm) --- include/dt-bindings/clock/samsung,exynos990.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/dt-bindings/clock/samsung,exynos990.h b/include/dt-bin= dings/clock/samsung,exynos990.h index c5c79e078f2f60fdb2c0f61ba6e7f3c6f2fbe9f2..c60f15503d5b18b11ca9bdce864= 66512dc933901 100644 --- a/include/dt-bindings/clock/samsung,exynos990.h +++ b/include/dt-bindings/clock/samsung,exynos990.h @@ -236,6 +236,7 @@ #define CLK_GOUT_HSI0_VGEN_LITE_HSI0_CLK 20 #define CLK_GOUT_HSI0_CMU_HSI0_PCLK 21 #define CLK_GOUT_HSI0_XIU_D_HSI0_ACLK 22 +#define CLK_GOUT_HSI0_LHS_ACEL_D_HSI0_CLK 23 =20 /* CMU_PERIS */ #define CLK_MOUT_PERIS_BUS_USER 1 --=20 2.50.1 From nobody Fri Oct 3 13:23:48 2025 Received: from mail-qk1-f170.google.com (mail-qk1-f170.google.com [209.85.222.170]) (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 38AAB235057; 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Sun, 31 Aug 2025 05:13:17 -0700 (PDT) Received: from [127.0.0.1] ([135.237.130.227]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-70fb289f518sm21163776d6.56.2025.08.31.05.13.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Aug 2025 05:13:16 -0700 (PDT) From: Denzeel Oliva Date: Sun, 31 Aug 2025 12:13:15 +0000 Subject: [PATCH v2 2/3] clk: samsung: exynos990: Add LHS_ACEL gate clock for HSI0 and update CLK_NR_TOP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250831-usb-v2-2-00b9c0559733@gmail.com> References: <20250831-usb-v2-0-00b9c0559733@gmail.com> In-Reply-To: <20250831-usb-v2-0-00b9c0559733@gmail.com> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley 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, Denzeel Oliva X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756642395; l=1601; i=wachiturroxd150@gmail.com; s=20250831; h=from:subject:message-id; bh=Pu/jnxs8vnoSEdVAdFl2BrrhE0Ef1+tymfgD1ZqCFYw=; b=zy4l1QKfCVLor0PXgeTtwdg6HleS57KspRKQ3hEkCQh3sSRZ3FxdOdhzXAlNXihshzq9NUphb hT0ddS/LwMiD3UzURxrl/9WIm5dZC3ETlNQpi+dOY9F9XKE1z3XG1Zi X-Developer-Key: i=wachiturroxd150@gmail.com; a=ed25519; pk=3fZmF8+BzoNPhZuzL19/BkBXzCDwLBPlLqQYILU0U5k= Add the LHS_ACEL gate clock to the HSI0 clock controller. This clock is critical for USB functionality and mark it as critical to keep it enabled. Update CLK_NR_TOP to include the new clock. Signed-off-by: Denzeel Oliva --- drivers/clk/samsung/clk-exynos990.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-= exynos990.c index 91736b15c4b4a0759419517f7b04dd0a8f38a289..7884354d612c54039289fa9b80a= d08f34b9b7029 100644 --- a/drivers/clk/samsung/clk-exynos990.c +++ b/drivers/clk/samsung/clk-exynos990.c @@ -18,7 +18,7 @@ =20 /* NOTE: Must be equal to the last clock ID increased by one */ #define CLKS_NR_TOP (CLK_DOUT_CMU_CLK_CMUREF + 1) -#define CLKS_NR_HSI0 (CLK_GOUT_HSI0_XIU_D_HSI0_ACLK + 1) +#define CLKS_NR_HSI0 (CLK_GOUT_HSI0_LHS_ACEL_D_HSI0_CLK + 1) #define CLKS_NR_PERIS (CLK_GOUT_PERIS_OTP_CON_TOP_OSCCLK + 1) =20 /* ---- CMU_TOP ----------------------------------------------------------= --- */ @@ -1332,6 +1332,10 @@ static const struct samsung_gate_clock hsi0_gate_clk= s[] __initconst =3D { "gout_hsi0_xiu_d_hsi0_aclk", "mout_hsi0_bus_user", CLK_CON_GAT_GOUT_BLK_HSI0_UID_XIU_D_HSI0_IPCLKPORT_ACLK, 21, CLK_IGNORE_UNUSED, 0), + GATE(CLK_GOUT_HSI0_LHS_ACEL_D_HSI0_CLK, + "gout_hsi0_lhs_acel_d_hsi0_clk", "mout_hsi0_bus_user", + CLK_CON_GAT_GOUT_BLK_HSI0_UID_LHS_ACEL_D_HSI0_IPCLKPORT_I_CLK, + 21, CLK_IS_CRITICAL, 0), }; 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Sun, 31 Aug 2025 05:13:17 -0700 (PDT) Received: from [127.0.0.1] ([135.237.130.227]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-70fb289f518sm21163776d6.56.2025.08.31.05.13.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Aug 2025 05:13:17 -0700 (PDT) From: Denzeel Oliva Date: Sun, 31 Aug 2025 12:13:16 +0000 Subject: [PATCH v2 3/3] clk: samsung: exynos990: Add missing USB clock registers to HSI0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250831-usb-v2-3-00b9c0559733@gmail.com> References: <20250831-usb-v2-0-00b9c0559733@gmail.com> In-Reply-To: <20250831-usb-v2-0-00b9c0559733@gmail.com> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley 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, Denzeel Oliva X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756642395; l=1180; i=wachiturroxd150@gmail.com; s=20250831; h=from:subject:message-id; bh=m2f5QF1qzXsZs/+Ale6o6q2WrCrUbiw6HNuUXjNyWQg=; b=jhPFbn1//YcT1nfRuEz6+shNgqxHkLrk/WjGXAUF7BRl9XYF/0woSJ0zRfBoxqiOCuHFgPHT5 lzyoXOz3+rJBxN/8EkFeSdhevcTySRhTi5kPETQZXXWA/eiNYG2SjdE X-Developer-Key: i=wachiturroxd150@gmail.com; a=ed25519; pk=3fZmF8+BzoNPhZuzL19/BkBXzCDwLBPlLqQYILU0U5k= These registers are required for proper USB operation and were omitted in the initial clock controller setup. Signed-off-by: Denzeel Oliva --- drivers/clk/samsung/clk-exynos990.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-= exynos990.c index 7884354d612c54039289fa9b80ad08f34b9b7029..47a1e0850c3020ab66931ae0c5a= c4920f41496d0 100644 --- a/drivers/clk/samsung/clk-exynos990.c +++ b/drivers/clk/samsung/clk-exynos990.c @@ -1224,6 +1224,8 @@ static const unsigned long hsi0_clk_regs[] __initcons= t =3D { CLK_CON_GAT_GOUT_BLK_HSI0_UID_SYSMMU_USB_IPCLKPORT_CLK_S2, CLK_CON_GAT_GOUT_BLK_HSI0_UID_SYSREG_HSI0_IPCLKPORT_PCLK, CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_ACLK_PHYCTRL, + CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_I_USB31DRD_REF_CLK_40, + CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_I_USBDPPHY_REF_SOC_PLL, CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_I_USBDPPHY_SCL_APB_PCLK, CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_I_USBPCS_APB_CLK, CLK_CON_GAT_GOUT_BLK_HSI0_UID_USB31DRD_IPCLKPORT_BUS_CLK_EARLY, --=20 2.50.1