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Fix this by moving CLK_MOUT_FSYS_USB30DRD_USER to the end as 11. Since CLK_MOUT_FSYS_USB30DRD_USER is not used in any device tree as of now, and there are no other clocks affected (maybe apart from CLK_MOUT_FSYS_MMC_SDIO_USER which the number was shared with, also not used in a device tree), this is the least impactful way to solve this problem. Fixes: cd268e309c29 ("dt-bindings: clock: Add bindings for Exynos7885 CMU_FSYS") Signed-off-by: David Virag --- include/dt-bindings/clock/exynos7885.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h index 255e3aa94323..54cfccff8508 100644 --- a/include/dt-bindings/clock/exynos7885.h +++ b/include/dt-bindings/clock/exynos7885.h @@ -136,12 +136,12 @@ #define CLK_MOUT_FSYS_MMC_CARD_USER 2 #define CLK_MOUT_FSYS_MMC_EMBD_USER 3 #define CLK_MOUT_FSYS_MMC_SDIO_USER 4 -#define CLK_MOUT_FSYS_USB30DRD_USER 4 #define CLK_GOUT_MMC_CARD_ACLK 5 #define CLK_GOUT_MMC_CARD_SDCLKIN 6 #define CLK_GOUT_MMC_EMBD_ACLK 7 #define CLK_GOUT_MMC_EMBD_SDCLKIN 8 #define CLK_GOUT_MMC_SDIO_ACLK 9 #define CLK_GOUT_MMC_SDIO_SDCLKIN 10 +#define CLK_MOUT_FSYS_USB30DRD_USER 11 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_7885_H */ From patchwork Sun Aug 4 21:53:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752731 Received: from mail-ej1-f44.google.com (mail-ej1-f44.google.com [209.85.218.44]) (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 17CC413A87C; 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Sun, 04 Aug 2024 14:55:12 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:11 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 02/13] dt-bindings: clock: exynos7885: Add CMU_TOP PLL MUX indices Date: Sun, 4 Aug 2024 23:53:47 +0200 Message-ID: <20240804215458.404085-3-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add indices for missing MUX clocks from PLLs in CMU_TOP. Signed-off-by: David Virag --- include/dt-bindings/clock/exynos7885.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h index 54cfccff8508..4ce86810b10d 100644 --- a/include/dt-bindings/clock/exynos7885.h +++ b/include/dt-bindings/clock/exynos7885.h @@ -69,6 +69,8 @@ #define CLK_GOUT_FSYS_MMC_EMBD 58 #define CLK_GOUT_FSYS_MMC_SDIO 59 #define CLK_GOUT_FSYS_USB30DRD 60 +#define CLK_MOUT_SHARED0_PLL 61 +#define CLK_MOUT_SHARED1_PLL 62 /* CMU_CORE */ #define CLK_MOUT_CORE_BUS_USER 1 From patchwork Sun Aug 4 21:53:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752732 Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) (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 145BB13A87C; 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Sun, 04 Aug 2024 14:55:17 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:17 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 03/13] dt-bindings: clock: exynos7885: Add indices for USB clocks Date: Sun, 4 Aug 2024 23:53:48 +0200 Message-ID: <20240804215458.404085-4-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Exynos7885 SoC has a DWC3 USB Controller with Exynos USB PHY which in theory supports USB3 SuperSpeed, but is only used as USB2 in all known devices. These, of course, need some clocks. Add indices for these clocks. Signed-off-by: David Virag --- include/dt-bindings/clock/exynos7885.h | 30 ++++++++++++++++---------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h index 4ce86810b10d..cfede84b46b9 100644 --- a/include/dt-bindings/clock/exynos7885.h +++ b/include/dt-bindings/clock/exynos7885.h @@ -134,16 +134,24 @@ #define CLK_GOUT_WDT1_PCLK 43 /* CMU_FSYS */ -#define CLK_MOUT_FSYS_BUS_USER 1 -#define CLK_MOUT_FSYS_MMC_CARD_USER 2 -#define CLK_MOUT_FSYS_MMC_EMBD_USER 3 -#define CLK_MOUT_FSYS_MMC_SDIO_USER 4 -#define CLK_GOUT_MMC_CARD_ACLK 5 -#define CLK_GOUT_MMC_CARD_SDCLKIN 6 -#define CLK_GOUT_MMC_EMBD_ACLK 7 -#define CLK_GOUT_MMC_EMBD_SDCLKIN 8 -#define CLK_GOUT_MMC_SDIO_ACLK 9 -#define CLK_GOUT_MMC_SDIO_SDCLKIN 10 -#define CLK_MOUT_FSYS_USB30DRD_USER 11 +#define CLK_MOUT_FSYS_BUS_USER 1 +#define CLK_MOUT_FSYS_MMC_CARD_USER 2 +#define CLK_MOUT_FSYS_MMC_EMBD_USER 3 +#define CLK_MOUT_FSYS_MMC_SDIO_USER 4 +#define CLK_GOUT_MMC_CARD_ACLK 5 +#define CLK_GOUT_MMC_CARD_SDCLKIN 6 +#define CLK_GOUT_MMC_EMBD_ACLK 7 +#define CLK_GOUT_MMC_EMBD_SDCLKIN 8 +#define CLK_GOUT_MMC_SDIO_ACLK 9 +#define CLK_GOUT_MMC_SDIO_SDCLKIN 10 +#define CLK_MOUT_FSYS_USB30DRD_USER 11 +#define CLK_MOUT_USB_PLL 12 +#define CLK_FOUT_USB_PLL 13 +#define CLK_FSYS_USB20PHY_CLKCORE 14 +#define CLK_FSYS_USB30DRD_ACLK_20PHYCTRL 15 +#define CLK_FSYS_USB30DRD_ACLK_30PHYCTRL_0 16 +#define CLK_FSYS_USB30DRD_ACLK_30PHYCTRL_1 17 +#define CLK_FSYS_USB30DRD_BUS_CLK_EARLY 18 +#define CLK_FSYS_USB30DRD_REF_CLK 19 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_7885_H */ From patchwork Sun Aug 4 21:53:49 2024 Content-Type: text/plain; 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Exynos7885 USB PHY has two clocks (ref and phy) like Exynos850, which are already described in bindings. Signed-off-by: David Virag Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml index 16321cdd4919..bf993d738bce 100644 --- a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml +++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml @@ -30,6 +30,7 @@ properties: - samsung,exynos5420-usbdrd-phy - samsung,exynos5433-usbdrd-phy - samsung,exynos7-usbdrd-phy + - samsung,exynos7885-usbdrd-phy - samsung,exynos850-usbdrd-phy clocks: @@ -168,6 +169,7 @@ allOf: enum: - samsung,exynos5250-usbdrd-phy - samsung,exynos5420-usbdrd-phy + - samsung,exynos7885-usbdrd-phy - samsung,exynos850-usbdrd-phy then: properties: From patchwork Sun Aug 4 21:53:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752734 Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) (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 A6BF513D88E; 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Sun, 04 Aug 2024 14:55:27 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:27 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 05/13] dt-bindings: usb: samsung,exynos-dwc3: Add Exynos7885 support Date: Sun, 4 Aug 2024 23:53:50 +0200 Message-ID: <20240804215458.404085-6-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Exynos7885 SoC has a DWC3 compatible USB controller, so it can reuse the existing Exynos glue layer. Clocks are the same as on Exynos850. Document Exynos7885 compatible. Signed-off-by: David Virag --- .../devicetree/bindings/usb/samsung,exynos-dwc3.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml index 2b3430cebe99..3ec849ef4bdb 100644 --- a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml @@ -16,6 +16,7 @@ properties: - samsung,exynos5250-dwusb3 - samsung,exynos5433-dwusb3 - samsung,exynos7-dwusb3 + - samsung,exynos7885-dwusb3 - samsung,exynos850-dwusb3 '#address-cells': @@ -124,7 +125,9 @@ allOf: properties: compatible: contains: - const: samsung,exynos850-dwusb3 + enum: + - samsung,exynos7885-dwusb3 + - samsung,exynos850-dwusb3 then: properties: clocks: From patchwork Sun Aug 4 21:53:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752735 Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (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 3EBB813B787; 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Sun, 04 Aug 2024 14:55:33 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:32 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 06/13] clk: samsung: exynos7885: Update CLKS_NR_FSYS after bindings fix Date: Sun, 4 Aug 2024 23:53:51 +0200 Message-ID: <20240804215458.404085-7-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Update CLKS_NR_FSYS to the proper value after a fix in DT bindings. This should always be the last clock in a CMU + 1. Signed-off-by: David Virag --- drivers/clk/samsung/clk-exynos7885.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-exynos7885.c b/drivers/clk/samsung/clk-exynos7885.c index f7d7427a558b..87387d4cbf48 100644 --- a/drivers/clk/samsung/clk-exynos7885.c +++ b/drivers/clk/samsung/clk-exynos7885.c @@ -20,7 +20,7 @@ #define CLKS_NR_TOP (CLK_GOUT_FSYS_USB30DRD + 1) #define CLKS_NR_CORE (CLK_GOUT_TREX_P_CORE_PCLK_P_CORE + 1) #define CLKS_NR_PERI (CLK_GOUT_WDT1_PCLK + 1) -#define CLKS_NR_FSYS (CLK_GOUT_MMC_SDIO_SDCLKIN + 1) +#define CLKS_NR_FSYS (CLK_MOUT_FSYS_USB30DRD_USER + 1) /* ---- CMU_TOP ------------------------------------------------------------- */ From patchwork Sun Aug 4 21:53:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752736 Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) (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 44A9D143889; 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Sun, 04 Aug 2024 14:55:38 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:38 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 07/13] clk: samsung: exynos7885: Add missing MUX clocks from PLLs in CMU_TOP Date: Sun, 4 Aug 2024 23:53:52 +0200 Message-ID: <20240804215458.404085-8-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In Exynos7885 (and seemingly all modern Exynos SoCs) all PLLs have a MUX attached to them controlled by bit 4 in the PLL's CON0 register. These MUXes can select between OSCCLK or the PLL's output, essentially making the PLL bypassable. These weren't modeled in the driver because the vendor provided drivers didn't model it properly, instead setting them when updating the PMS values. Not having them modeled didn't cause any problems in this case, since these MUXes were set to the PLL's output by default, but this is not the case everywhere in this SoC. Signed-off-by: David Virag --- drivers/clk/samsung/clk-exynos7885.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos7885.c b/drivers/clk/samsung/clk-exynos7885.c index 87387d4cbf48..a0c9b7cc6942 100644 --- a/drivers/clk/samsung/clk-exynos7885.c +++ b/drivers/clk/samsung/clk-exynos7885.c @@ -17,7 +17,7 @@ #include "clk-exynos-arm64.h" /* NOTE: Must be equal to the last clock ID increased by one */ -#define CLKS_NR_TOP (CLK_GOUT_FSYS_USB30DRD + 1) +#define CLKS_NR_TOP (CLK_MOUT_SHARED1_PLL + 1) #define CLKS_NR_CORE (CLK_GOUT_TREX_P_CORE_PCLK_P_CORE + 1) #define CLKS_NR_PERI (CLK_GOUT_WDT1_PCLK + 1) #define CLKS_NR_FSYS (CLK_MOUT_FSYS_USB30DRD_USER + 1) @@ -162,6 +162,10 @@ static const struct samsung_pll_clock top_pll_clks[] __initconst = { NULL), }; +/* List of parent clocks for Muxes in CMU_TOP */ +PNAME(mout_shared0_pll_p) = { "oscclk", "fout_shared0_pll" }; +PNAME(mout_shared1_pll_p) = { "oscclk", "fout_shared1_pll" }; + /* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */ PNAME(mout_core_bus_p) = { "dout_shared0_div2", "dout_shared1_div2", "dout_shared0_div3", "dout_shared0_div3" }; @@ -189,6 +193,12 @@ PNAME(mout_fsys_mmc_sdio_p) = { "dout_shared0_div2", "dout_shared1_div2" }; PNAME(mout_fsys_usb30drd_p) = { "dout_shared0_div4", "dout_shared1_div4" }; static const struct samsung_mux_clock top_mux_clks[] __initconst = { + /* TOP */ + MUX(CLK_MOUT_SHARED0_PLL, "mout_shared0_pll", mout_shared0_pll_p, + PLL_CON0_PLL_SHARED0, 4, 1), + MUX(CLK_MOUT_SHARED1_PLL, "mout_shared1_pll", mout_shared1_pll_p, + PLL_CON0_PLL_SHARED1, 4, 1), + /* CORE */ MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p, CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2), @@ -232,17 +242,17 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = { static const struct samsung_div_clock top_div_clks[] __initconst = { /* TOP */ - DIV(CLK_DOUT_SHARED0_DIV2, "dout_shared0_div2", "fout_shared0_pll", + DIV(CLK_DOUT_SHARED0_DIV2, "dout_shared0_div2", "mout_shared0_pll", CLK_CON_DIV_PLL_SHARED0_DIV2, 0, 1), - DIV(CLK_DOUT_SHARED0_DIV3, "dout_shared0_div3", "fout_shared0_pll", + DIV(CLK_DOUT_SHARED0_DIV3, "dout_shared0_div3", "mout_shared0_pll", CLK_CON_DIV_PLL_SHARED0_DIV3, 0, 2), DIV(CLK_DOUT_SHARED0_DIV4, "dout_shared0_div4", "dout_shared0_div2", CLK_CON_DIV_PLL_SHARED0_DIV4, 0, 1), - DIV(CLK_DOUT_SHARED0_DIV5, "dout_shared0_div5", "fout_shared0_pll", + DIV(CLK_DOUT_SHARED0_DIV5, "dout_shared0_div5", "mout_shared0_pll", CLK_CON_DIV_PLL_SHARED0_DIV5, 0, 3), - DIV(CLK_DOUT_SHARED1_DIV2, "dout_shared1_div2", "fout_shared1_pll", + DIV(CLK_DOUT_SHARED1_DIV2, "dout_shared1_div2", "mout_shared1_pll", CLK_CON_DIV_PLL_SHARED1_DIV2, 0, 1), - DIV(CLK_DOUT_SHARED1_DIV3, "dout_shared1_div3", "fout_shared1_pll", + DIV(CLK_DOUT_SHARED1_DIV3, "dout_shared1_div3", "mout_shared1_pll", CLK_CON_DIV_PLL_SHARED1_DIV3, 0, 2), DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "dout_shared1_div2", CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1), From patchwork Sun Aug 4 21:53:53 2024 Content-Type: text/plain; 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Operation-wise it is very similar to pll0822x, except that MDIV is only 9 bits wide instead of 10, and we use the CON1 register in the PLL macro's "con" parameter instead of CON3 like this: PLL(pll_1418x, CLK_FOUT_USB_PLL, "fout_usb_pll", "oscclk", PLL_LOCKTIME_PLL_USB, PLL_CON0_PLL_USB, pll_usb_rate_table), Technically the PLL should work fine with pll0822x code if the PLL tables are correct, but it's more "correct" to actually update the mask. Signed-off-by: David Virag --- drivers/clk/samsung/clk-pll.c | 20 ++++++++++++++++---- drivers/clk/samsung/clk-pll.h | 1 + 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 4be879ab917e..c61a2810737c 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -430,6 +430,9 @@ static const struct clk_ops samsung_pll36xx_clk_min_ops = { #define PLL0822X_LOCK_STAT_SHIFT (29) #define PLL0822X_ENABLE_SHIFT (31) +/* PLL1418x is similar to PLL0822x, except that MDIV is one bit smaller */ +#define PLL1418X_MDIV_MASK (0x1FF) + static unsigned long samsung_pll0822x_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -438,7 +441,10 @@ static unsigned long samsung_pll0822x_recalc_rate(struct clk_hw *hw, u64 fvco = parent_rate; pll_con3 = readl_relaxed(pll->con_reg); - mdiv = (pll_con3 >> PLL0822X_MDIV_SHIFT) & PLL0822X_MDIV_MASK; + if (pll->type != pll_1418x) + mdiv = (pll_con3 >> PLL0822X_MDIV_SHIFT) & PLL0822X_MDIV_MASK; + else + mdiv = (pll_con3 >> PLL0822X_MDIV_SHIFT) & PLL1418X_MDIV_MASK; pdiv = (pll_con3 >> PLL0822X_PDIV_SHIFT) & PLL0822X_PDIV_MASK; sdiv = (pll_con3 >> PLL0822X_SDIV_SHIFT) & PLL0822X_SDIV_MASK; @@ -468,9 +474,14 @@ static int samsung_pll0822x_set_rate(struct clk_hw *hw, unsigned long drate, /* Change PLL PMS values */ pll_con3 = readl_relaxed(pll->con_reg); - pll_con3 &= ~((PLL0822X_MDIV_MASK << PLL0822X_MDIV_SHIFT) | - (PLL0822X_PDIV_MASK << PLL0822X_PDIV_SHIFT) | - (PLL0822X_SDIV_MASK << PLL0822X_SDIV_SHIFT)); + if (pll->type != pll_1418x) + pll_con3 &= ~((PLL0822X_MDIV_MASK << PLL0822X_MDIV_SHIFT) | + (PLL0822X_PDIV_MASK << PLL0822X_PDIV_SHIFT) | + (PLL0822X_SDIV_MASK << PLL0822X_SDIV_SHIFT)); + else + pll_con3 &= ~((PLL1418X_MDIV_MASK << PLL0822X_MDIV_SHIFT) | + (PLL0822X_PDIV_MASK << PLL0822X_PDIV_SHIFT) | + (PLL0822X_SDIV_MASK << PLL0822X_SDIV_SHIFT)); pll_con3 |= (rate->mdiv << PLL0822X_MDIV_SHIFT) | (rate->pdiv << PLL0822X_PDIV_SHIFT) | (rate->sdiv << PLL0822X_SDIV_SHIFT); @@ -1317,6 +1328,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, init.ops = &samsung_pll35xx_clk_ops; break; case pll_1417x: + case pll_1418x: case pll_0818x: case pll_0822x: case pll_0516x: diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h index ffd3d52c0dec..1efbe4c446d0 100644 --- a/drivers/clk/samsung/clk-pll.h +++ b/drivers/clk/samsung/clk-pll.h @@ -30,6 +30,7 @@ enum samsung_pll_type { pll_2650x, pll_2650xx, pll_1417x, + pll_1418x, pll_1450x, pll_1451x, pll_1452x, From patchwork Sun Aug 4 21:53:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752738 Received: from mail-ej1-f47.google.com (mail-ej1-f47.google.com [209.85.218.47]) (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 D12A0146D42; Sun, 4 Aug 2024 21:55:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Sun, 04 Aug 2024 14:55:48 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:48 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 09/13] clk: samsung: exynos7885: Add USB related clocks to CMU_FSYS Date: Sun, 4 Aug 2024 23:53:54 +0200 Message-ID: <20240804215458.404085-10-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Exynos7885 SoC has a DWC3 USB Controller with Exynos USB PHY which in theory supports USB3 SuperSpeed, but is only used as USB2 in all known devices. These clocks are needed for everything related to USB. While at it, also remove the CLK_SET_RATE_PARENT capability of CLK_MOUT_FSYS_USB30DRD_USER, since it's not actually needed. Signed-off-by: David Virag --- drivers/clk/samsung/clk-exynos7885.c | 73 ++++++++++++++++++++++------ 1 file changed, 59 insertions(+), 14 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos7885.c b/drivers/clk/samsung/clk-exynos7885.c index a0c9b7cc6942..637257a6f10e 100644 --- a/drivers/clk/samsung/clk-exynos7885.c +++ b/drivers/clk/samsung/clk-exynos7885.c @@ -20,7 +20,7 @@ #define CLKS_NR_TOP (CLK_MOUT_SHARED1_PLL + 1) #define CLKS_NR_CORE (CLK_GOUT_TREX_P_CORE_PCLK_P_CORE + 1) #define CLKS_NR_PERI (CLK_GOUT_WDT1_PCLK + 1) -#define CLKS_NR_FSYS (CLK_MOUT_FSYS_USB30DRD_USER + 1) +#define CLKS_NR_FSYS (CLK_FSYS_USB30DRD_REF_CLK + 1) /* ---- CMU_TOP ------------------------------------------------------------- */ @@ -686,38 +686,66 @@ static const struct samsung_cmu_info core_cmu_info __initconst = { /* ---- CMU_FSYS ------------------------------------------------------------ */ /* Register Offset definitions for CMU_FSYS (0x13400000) */ -#define PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER 0x0100 -#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER 0x0120 -#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER 0x0140 -#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER 0x0160 -#define PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER 0x0180 -#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK 0x2030 -#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN 0x2034 -#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK 0x2038 -#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN 0x203c -#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK 0x2040 -#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN 0x2044 +#define PLL_LOCKTIME_PLL_USB 0x0000 +#define PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER 0x0100 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER 0x0120 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER 0x0140 +#define PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER 0x0160 +#define PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER 0x0180 +#define PLL_CON0_PLL_USB 0x01a0 +#define CLK_CON_GAT_CLK_FSYS_USB20PHY_CLKCORE 0x200c +#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK 0x2030 +#define CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN 0x2034 +#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK 0x2038 +#define CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN 0x203c +#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK 0x2040 +#define CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN 0x2044 +#define CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_20PHYCTRL 0x2068 +#define CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_0 0x206c +#define CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_1 0x2070 +#define CLK_CON_GAT_GOUT_FSYS_USB30DRD_BUS_CLK_EARLY 0x2074 +#define CLK_CON_GAT_GOUT_FSYS_USB30DRD_REF_CLK 0x2078 static const unsigned long fsys_clk_regs[] __initconst = { + PLL_LOCKTIME_PLL_USB, PLL_CON0_MUX_CLKCMU_FSYS_BUS_USER, PLL_CON0_MUX_CLKCMU_FSYS_MMC_CARD_USER, PLL_CON0_MUX_CLKCMU_FSYS_MMC_EMBD_USER, PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER, PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER, + PLL_CON0_PLL_USB, + CLK_CON_GAT_CLK_FSYS_USB20PHY_CLKCORE, CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK, CLK_CON_GAT_GOUT_FSYS_MMC_CARD_SDCLKIN, CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_I_ACLK, CLK_CON_GAT_GOUT_FSYS_MMC_EMBD_SDCLKIN, CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_I_ACLK, CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN, + CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_20PHYCTRL, + CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_0, + CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_1, + CLK_CON_GAT_GOUT_FSYS_USB30DRD_BUS_CLK_EARLY, + CLK_CON_GAT_GOUT_FSYS_USB30DRD_REF_CLK, }; +static const struct samsung_pll_rate_table pll_usb_rate_table[] __initconst = { + PLL_35XX_RATE(26 * MHZ, 50000000U, 400, 13, 4), +}; + +static const struct samsung_pll_clock fsys_pll_clks[] __initconst = { + PLL(pll_1418x, CLK_FOUT_USB_PLL, "fout_usb_pll", "oscclk", + PLL_LOCKTIME_PLL_USB, PLL_CON0_PLL_USB, + pll_usb_rate_table), +}; + + /* List of parent clocks for Muxes in CMU_FSYS */ PNAME(mout_fsys_bus_user_p) = { "oscclk", "dout_fsys_bus" }; PNAME(mout_fsys_mmc_card_user_p) = { "oscclk", "dout_fsys_mmc_card" }; PNAME(mout_fsys_mmc_embd_user_p) = { "oscclk", "dout_fsys_mmc_embd" }; PNAME(mout_fsys_mmc_sdio_user_p) = { "oscclk", "dout_fsys_mmc_sdio" }; PNAME(mout_fsys_usb30drd_user_p) = { "oscclk", "dout_fsys_usb30drd" }; +PNAME(mout_usb_pll_p) = { "oscclk", "fout_usb_pll" }; static const struct samsung_mux_clock fsys_mux_clks[] __initconst = { MUX(CLK_MOUT_FSYS_BUS_USER, "mout_fsys_bus_user", mout_fsys_bus_user_p, @@ -731,12 +759,16 @@ static const struct samsung_mux_clock fsys_mux_clks[] __initconst = { MUX_F(CLK_MOUT_FSYS_MMC_SDIO_USER, "mout_fsys_mmc_sdio_user", mout_fsys_mmc_sdio_user_p, PLL_CON0_MUX_CLKCMU_FSYS_MMC_SDIO_USER, 4, 1, CLK_SET_RATE_PARENT, 0), - MUX_F(CLK_MOUT_FSYS_USB30DRD_USER, "mout_fsys_usb30drd_user", + MUX(CLK_MOUT_FSYS_USB30DRD_USER, "mout_fsys_usb30drd_user", mout_fsys_usb30drd_user_p, PLL_CON0_MUX_CLKCMU_FSYS_USB30DRD_USER, - 4, 1, CLK_SET_RATE_PARENT, 0), + 4, 1), + nMUX_F(CLK_MOUT_USB_PLL, "mout_usb_pll", mout_usb_pll_p, + PLL_CON0_PLL_USB, 4, 1, CLK_SET_RATE_PARENT, 0), }; static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { + GATE(CLK_FSYS_USB20PHY_CLKCORE, "clk_fsys_usb20phy_clkcore", "mout_usb_pll", + CLK_CON_GAT_CLK_FSYS_USB20PHY_CLKCORE, 21, CLK_SET_RATE_PARENT, 0), GATE(CLK_GOUT_MMC_CARD_ACLK, "gout_mmc_card_aclk", "mout_fsys_bus_user", CLK_CON_GAT_GOUT_FSYS_MMC_CARD_I_ACLK, 21, 0, 0), GATE(CLK_GOUT_MMC_CARD_SDCLKIN, "gout_mmc_card_sdclkin", @@ -752,9 +784,22 @@ static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { GATE(CLK_GOUT_MMC_SDIO_SDCLKIN, "gout_mmc_sdio_sdclkin", "mout_fsys_mmc_sdio_user", CLK_CON_GAT_GOUT_FSYS_MMC_SDIO_SDCLKIN, 21, CLK_SET_RATE_PARENT, 0), + GATE(CLK_FSYS_USB30DRD_ACLK_20PHYCTRL, "clk_fsys_usb30drd_aclk_20phyctrl", + "mout_fsys_bus_user", CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_20PHYCTRL, 21, 0, 0), + GATE(CLK_FSYS_USB30DRD_ACLK_30PHYCTRL_0, "clk_fsys_usb30drd_aclk_30phyctrl_0", + "mout_fsys_bus_user", CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_0, 21, 0, 0), + GATE(CLK_FSYS_USB30DRD_ACLK_30PHYCTRL_1, "clk_fsys_usb30drd_aclk_30phyctrl_1", + "mout_fsys_bus_user", CLK_CON_GAT_GOUT_FSYS_USB30DRD_ACLK_30PHYCTRL_1, 21, 0, 0), + GATE(CLK_FSYS_USB30DRD_BUS_CLK_EARLY, "clk_fsys_usb30drd_bus_clk_early", + "mout_fsys_bus_user", CLK_CON_GAT_GOUT_FSYS_USB30DRD_BUS_CLK_EARLY, 21, 0, 0), + GATE(CLK_FSYS_USB30DRD_REF_CLK, "clk_fsys_usb30drd_ref_clk", "mout_fsys_usb30drd_user", + CLK_CON_GAT_GOUT_FSYS_USB30DRD_REF_CLK, 21, 0, 0), + }; 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Sun, 04 Aug 2024 14:55:53 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 10/13] usb: dwc3: exynos: Add support for Exynos7885 Date: Sun, 4 Aug 2024 23:53:55 +0200 Message-ID: <20240804215458.404085-11-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add Exynos7885 compatible string. As 7885 has the same clocks as 850, it can reuse the data for Exynos850. Signed-off-by: David Virag --- drivers/usb/dwc3/dwc3-exynos.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 9a6e988d165a..5cd4dc2e0a67 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -185,6 +185,9 @@ static const struct of_device_id exynos_dwc3_match[] = { }, { .compatible = "samsung,exynos7-dwusb3", .data = &exynos7_drvdata, + }, { + .compatible = "samsung,exynos7885-dwusb3", + .data = &exynos850_drvdata, }, { .compatible = "samsung,exynos850-dwusb3", .data = &exynos850_drvdata, From patchwork Sun Aug 4 21:53:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752740 Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (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 63112149C70; 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Sun, 04 Aug 2024 14:55:59 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.55.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:55:59 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 11/13] phy: exynos5-usbdrd: support Exynos7885 USB PHY Date: Sun, 4 Aug 2024 23:53:56 +0200 Message-ID: <20240804215458.404085-12-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The Exynos7885 SoC has an Exynos USB PHY that theoretically supports USB3 SuperSpeed, but all known devices using it only have USB2 and the vendor driver has USB3 function stubbed out, so we'll only support USB2. Apart from this mysterius USB3 capability, it's the closest to Exynos850 out of those supported. Unlike other SoCs though, this one doesn't set the reference clock by default, so we have to set it manually. For this, create a set_ref_clk_rate property in drvdata that can be set to a predefined value to set the clockrate to. Signed-off-by: David Virag --- drivers/phy/samsung/phy-exynos5-usbdrd.c | 21 +++++++++++++++++++++ include/linux/soc/samsung/exynos-regs-pmu.h | 3 +++ 2 files changed, 24 insertions(+) diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c index df52b78a120b..466c72d8a93c 100644 --- a/drivers/phy/samsung/phy-exynos5-usbdrd.c +++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c @@ -367,6 +367,7 @@ struct exynos5_usbdrd_phy_drvdata { int n_clks; const char * const *core_clk_names; int n_core_clks; + u32 set_ref_clk_rate; const char * const *regulator_names; int n_regulators; u32 pmu_offset_usbdrd0_phy; @@ -1361,6 +1362,10 @@ static int exynos5_usbdrd_phy_clk_handle(struct exynos5_usbdrd_phy *phy_drd) return dev_err_probe(phy_drd->dev, -ENODEV, "failed to find phy reference clock\n"); + /* Exynos7885 SoC has reference clock unset by default */ + if (phy_drd->drv_data->set_ref_clk_rate) + clk_set_rate(ref_clk, phy_drd->drv_data->set_ref_clk_rate); + ref_rate = clk_get_rate(ref_clk); ret = exynos5_rate_to_clk(ref_rate, &phy_drd->extrefclk); if (ret) @@ -1460,6 +1465,19 @@ static const struct exynos5_usbdrd_phy_drvdata exynos7_usbdrd_phy = { .n_regulators = ARRAY_SIZE(exynos5_regulator_names), }; +static const struct exynos5_usbdrd_phy_drvdata exynos7885_usbdrd_phy = { + .phy_cfg = phy_cfg_exynos850, + .phy_ops = &exynos850_usbdrd_phy_ops, + .pmu_offset_usbdrd0_phy = EXYNOS7885_PHY_CTRL_USB20, + .clk_names = exynos5_clk_names, + .n_clks = ARRAY_SIZE(exynos5_clk_names), + .core_clk_names = exynos5_core_clk_names, + .n_core_clks = ARRAY_SIZE(exynos5_core_clk_names), + .regulator_names = exynos5_regulator_names, + .n_regulators = ARRAY_SIZE(exynos5_regulator_names), + .set_ref_clk_rate = 50 * MHZ, +}; + static const struct exynos5_usbdrd_phy_drvdata exynos850_usbdrd_phy = { .phy_cfg = phy_cfg_exynos850, .phy_ops = &exynos850_usbdrd_phy_ops, @@ -1663,6 +1681,9 @@ static const struct of_device_id exynos5_usbdrd_phy_of_match[] = { }, { .compatible = "samsung,exynos7-usbdrd-phy", .data = &exynos7_usbdrd_phy + }, { + .compatible = "samsung,exynos7885-usbdrd-phy", + .data = &exynos7885_usbdrd_phy }, { .compatible = "samsung,exynos850-usbdrd-phy", .data = &exynos850_usbdrd_phy diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h index ce1a3790d6fb..04ef93625eab 100644 --- a/include/linux/soc/samsung/exynos-regs-pmu.h +++ b/include/linux/soc/samsung/exynos-regs-pmu.h @@ -657,6 +657,9 @@ #define EXYNOS5433_PAD_RETENTION_UFS_OPTION (0x3268) #define EXYNOS5433_PAD_RETENTION_FSYSGENIO_OPTION (0x32A8) +/* For Exynos7885 */ +#define EXYNOS7885_PHY_CTRL_USB20 (0x674) + /* For Tensor GS101 */ #define GS101_SYSIP_DAT0 (0x810) #define GS101_SYSTEM_CONFIGURATION (0x3A00) From patchwork Sun Aug 4 21:53:57 2024 Content-Type: text/plain; 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The vendor kernel also stubs out USB3 functions, so we do not support it. It is though, perfectly capable of USB 2.0 high-speed mode, both as host and device. Signed-off-by: David Virag --- arch/arm64/boot/dts/exynos/exynos7885.dtsi | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi b/arch/arm64/boot/dts/exynos/exynos7885.dtsi index 008228fb319a..1352c64d132e 100644 --- a/arch/arm64/boot/dts/exynos/exynos7885.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi @@ -463,6 +463,41 @@ i2c_7: i2c@11cd0000 { clock-names = "i2c"; status = "disabled"; }; + + usbdrd: usb@13600000 { + compatible = "samsung,exynos7885-dwusb3"; + ranges = <0x0 0x13600000 0x10000>; + clocks = <&cmu_fsys CLK_FSYS_USB30DRD_BUS_CLK_EARLY>, + <&cmu_fsys CLK_FSYS_USB30DRD_REF_CLK>; + clock-names = "bus_early", "ref"; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + + usbdrd_dwc3: usb@0 { + compatible = "snps,dwc3"; + reg = <0x0 0x10000>; + interrupts = ; + phys = <&usbdrd_phy 0>; + phy-names = "usb2-phy"; + /* + * SoC in theory supports SS but no device has it. + * Actual capabilities unknown. + */ + maximum-speed = "high-speed"; + }; + }; + + usbdrd_phy: phy@135d0000 { + compatible = "samsung,exynos7885-usbdrd-phy"; + reg = <0x135d0000 0x100>; + clocks = <&cmu_fsys CLK_FSYS_USB30DRD_ACLK_20PHYCTRL>, + <&cmu_fsys CLK_FSYS_USB20PHY_CLKCORE>; + clock-names = "phy", "ref"; + samsung,pmu-syscon = <&pmu_system_controller>; + #phy-cells = <1>; + status = "disabled"; + }; }; }; From patchwork Sun Aug 4 21:53:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Virag X-Patchwork-Id: 13752742 Received: from mail-ed1-f47.google.com (mail-ed1-f47.google.com [209.85.208.47]) (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 2FBDC13CA93; Sun, 4 Aug 2024 21:56:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722808573; cv=none; 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Sun, 04 Aug 2024 14:56:10 -0700 (PDT) Received: from localhost.localdomain ([2a02:ab88:3711:c80:e7a7:e025:f1a5:ef78]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-a7dc9d45452sm370485066b.111.2024.08.04.14.56.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Aug 2024 14:56:09 -0700 (PDT) From: David Virag To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Thinh Nguyen , =?utf-8?q?Andr=C3=A9_Draszik?= , Peter Griffin , Sam Protsenko , David Virag , Marek Szyprowski Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 13/13] arm64: dts: exynos: exynos7885-jackpotlte: Enable USB support Date: Sun, 4 Aug 2024 23:53:58 +0200 Message-ID: <20240804215458.404085-14-virag.david003@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240804215458.404085-1-virag.david003@gmail.com> References: <20240804215458.404085-1-virag.david003@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The Samsung Galaxy A8 (2018) has an USB-C port capable of USB 2.0 speeds, used both as host and device, and is used for charging the phone. The physical port is directly connected to an S2MU004 IC, but until we have support for it, we can still use the USB device funtionality. Signed-off-by: David Virag --- .../boot/dts/exynos/exynos7885-jackpotlte.dts | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts index 47a389d9ff7d..c1902d2f57cf 100644 --- a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts +++ b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts @@ -59,6 +59,12 @@ power-key { wakeup-source; }; }; + + /* TODO: Remove this once PMIC is implemented */ + reg_dummy: regulator-0 { + compatible = "regulator-fixed"; + regulator-name = "dummy_reg"; + }; }; &mmc_0 { @@ -111,3 +117,17 @@ key_power: key-power-pins { &serial_2 { status = "okay"; }; + +&usbdrd { + status = "okay"; + vdd10-supply = <®_dummy>; + vdd33-supply = <®_dummy>; +}; + +&usbdrd_dwc3 { + dr_mode = "peripheral"; /* Force to peripheral until we have Type-C working */ +}; + +&usbdrd_phy { + status = "okay"; +};