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Mon, 14 Apr 2025 07:58:04 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:eb55:397c:6c6:e937]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae96bdf9sm11067041f8f.22.2025.04.14.07.58.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 07:58:03 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 1/4] dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family Date: Mon, 14 Apr 2025 15:57:26 +0100 Message-ID: <20250414145729.343133-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar The RZ/G2L family requires two clocks for USB2 PHY, which are already defined in the DTSI files. Add a constraint in the DT binding document to ensure validation with `dtbs_check`. Signed-off-by: Lad Prabhakar Acked-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml index af275cea3456..f8d15f239b18 100644 --- a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml @@ -107,6 +107,9 @@ allOf: contains: const: renesas,rzg2l-usb2-phy then: + properties: + clocks: + minItems: 2 required: - resets From patchwork Mon Apr 14 14:57:27 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 14050545 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (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 967E02472AE; 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Mon, 14 Apr 2025 07:58:05 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:eb55:397c:6c6:e937]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae96bdf9sm11067041f8f.22.2025.04.14.07.58.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 07:58:04 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 2/4] dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC Date: Mon, 14 Apr 2025 15:57:27 +0100 Message-ID: <20250414145729.343133-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Document USB2.0 phy bindings for RZ/V2H(P) ("R9A09gG57") SoC. RZ/V2H(P) USB2.0 phy is similar to one found on the RZ/G2L SoC, but it needs additional configuration to be done as compared RZ/G2L USB2.0 phy. To handle this difference a SoC specific compat string is added for RZ/V2H(P) SoC. Like the RZ/G2L SoC, the RZ/V2H(P) USB2.0 PHY requires the `resets` property and has two clocks. Signed-off-by: Lad Prabhakar Acked-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml index f8d15f239b18..2822dce8d9f4 100644 --- a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml +++ b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml @@ -16,6 +16,7 @@ properties: - enum: - renesas,usb2-phy-r8a77470 # RZ/G1C - renesas,usb2-phy-r9a08g045 # RZ/G3S + - renesas,usb2-phy-r9a09g057 # RZ/V2H(P) - items: - enum: @@ -105,7 +106,9 @@ allOf: properties: compatible: contains: - const: renesas,rzg2l-usb2-phy + enum: + - renesas,usb2-phy-r9a09g057 + - renesas,rzg2l-usb2-phy then: properties: clocks: From patchwork Mon Apr 14 14:57:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 14050546 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (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 6EF36258CF8; 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Mon, 14 Apr 2025 07:58:06 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:eb55:397c:6c6:e937]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae96bdf9sm11067041f8f.22.2025.04.14.07.58.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 07:58:05 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 3/4] phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number Date: Mon, 14 Apr 2025 15:57:28 +0100 Message-ID: <20250414145729.343133-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Reorder the compatible entries in `rcar_gen3_phy_usb2_match_table` to maintain sorting based on SoC part numbers. Keep the entries ordered numerically while ensuring the existing generic compatible strings remain at the bottom. Signed-off-by: Lad Prabhakar --- drivers/phy/renesas/phy-rcar-gen3-usb2.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 775f4f973a6c..10d1a89558be 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -606,14 +606,14 @@ static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = { .compatible = "renesas,usb2-phy-r8a77965", .data = &rcar_gen3_phy_usb2_data, }, - { - .compatible = "renesas,rzg2l-usb2-phy", - .data = &rz_g2l_phy_usb2_data, - }, { .compatible = "renesas,usb2-phy-r9a08g045", .data = &rz_g3s_phy_usb2_data, }, + { + .compatible = "renesas,rzg2l-usb2-phy", + .data = &rz_g2l_phy_usb2_data, + }, { .compatible = "renesas,rcar-gen3-usb2-phy", .data = &rcar_gen3_phy_usb2_data, From patchwork Mon Apr 14 14:57:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 14050547 X-Patchwork-Delegate: geert@linux-m68k.org Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (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 472602741C8; 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Mon, 14 Apr 2025 07:58:07 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:eb55:397c:6c6:e937]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae96bdf9sm11067041f8f.22.2025.04.14.07.58.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 07:58:06 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH 4/4] phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P) Date: Mon, 14 Apr 2025 15:57:29 +0100 Message-ID: <20250414145729.343133-5-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250414145729.343133-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Add USB2.0 PHY support for RZ/V2H(P) SoC. On the RZ/V2H(P) SoC we need to configure the UTMI to a specific value as compared to other SoCs (which doesn't need configuring it). Signed-off-by: Lad Prabhakar --- drivers/phy/renesas/phy-rcar-gen3-usb2.c | 30 ++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 10d1a89558be..867f43132b7a 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -28,8 +28,10 @@ #define USB2_INT_ENABLE 0x000 #define USB2_AHB_BUS_CTR 0x008 #define USB2_USBCTR 0x00c +#define USB2_REGEN_CG_CTRL 0x104 /* RZ/V2H(P) only */ #define USB2_SPD_RSM_TIMSET 0x10c #define USB2_OC_TIMSET 0x110 +#define USB2_UTMI_CTRL 0x118 /* RZ/V2H(P) only */ #define USB2_COMMCTRL 0x600 #define USB2_OBINTSTA 0x604 #define USB2_OBINTEN 0x608 @@ -50,12 +52,18 @@ #define USB2_USBCTR_DIRPD BIT(2) #define USB2_USBCTR_PLL_RST BIT(1) +/* REGEN_CG_CTRL*/ +#define USB2_REGEN_CG_CTRL_UPHY_WEN BIT(0) + /* SPD_RSM_TIMSET */ #define USB2_SPD_RSM_TIMSET_INIT 0x014e029b /* OC_TIMSET */ #define USB2_OC_TIMSET_INIT 0x000209ab +/* UTMI_CTRL */ +#define USB2_UTMI_CTRL_INIT 0x8000018f + /* COMMCTRL */ #define USB2_COMMCTRL_OTG_PERI BIT(31) /* 1 = Peripheral mode */ @@ -127,12 +135,14 @@ struct rcar_gen3_chan { bool is_otg_channel; bool uses_otg_pins; bool soc_no_adp_ctrl; + bool utmi_ctrl; }; struct rcar_gen3_phy_drv_data { const struct phy_ops *phy_usb2_ops; bool no_adp_ctrl; bool init_bus; + bool utmi_ctrl; }; /* @@ -472,6 +482,14 @@ static int rcar_gen3_phy_usb2_init(struct phy *p) rphy->otg_initialized = true; } + if (channel->utmi_ctrl) { + val = readl(usb2_base + USB2_REGEN_CG_CTRL) | USB2_REGEN_CG_CTRL_UPHY_WEN; + writel(val, usb2_base + USB2_REGEN_CG_CTRL); + + writel(USB2_UTMI_CTRL_INIT, usb2_base + USB2_UTMI_CTRL); + writel(val & ~USB2_REGEN_CG_CTRL_UPHY_WEN, usb2_base + USB2_REGEN_CG_CTRL); + } + rphy->initialized = true; return 0; @@ -589,6 +607,12 @@ static const struct rcar_gen3_phy_drv_data rz_g3s_phy_usb2_data = { .init_bus = true, }; +static const struct rcar_gen3_phy_drv_data rz_v2h_phy_usb2_data = { + .phy_usb2_ops = &rcar_gen3_phy_usb2_ops, + .no_adp_ctrl = true, + .utmi_ctrl = true, +}; + static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = { { .compatible = "renesas,usb2-phy-r8a77470", @@ -610,6 +634,10 @@ static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = { .compatible = "renesas,usb2-phy-r9a08g045", .data = &rz_g3s_phy_usb2_data, }, + { + .compatible = "renesas,usb2-phy-r9a09g057", + .data = &rz_v2h_phy_usb2_data, + }, { .compatible = "renesas,rzg2l-usb2-phy", .data = &rz_g2l_phy_usb2_data, @@ -763,6 +791,8 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev) if (phy_data->no_adp_ctrl) channel->obint_enable_bits = USB2_OBINT_IDCHG_EN; + channel->utmi_ctrl = phy_data->utmi_ctrl; + mutex_init(&channel->lock); for (i = 0; i < NUM_OF_PHYS; i++) { channel->rphys[i].phy = devm_phy_create(dev, NULL,