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([82.78.167.177]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a868f484dc5sm134189166b.171.2024.08.22.08.28.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2024 08:28:30 -0700 (PDT) From: Claudiu X-Google-Original-From: Claudiu To: vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, geert+renesas@glider.be, magnus.damm@gmail.com, gregkh@linuxfoundation.org, mturquette@baylibre.com, sboyd@kernel.org, yoshihiro.shimoda.uh@renesas.com, biju.das.jz@bp.renesas.com, ulf.hansson@linaro.org Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH 07/16] reset: rzg2l-usbphy-ctrl: Get reset control array Date: Thu, 22 Aug 2024 18:27:52 +0300 Message-Id: <20240822152801.602318-8-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240822152801.602318-1-claudiu.beznea.uj@bp.renesas.com> References: <20240822152801.602318-1-claudiu.beznea.uj@bp.renesas.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 Content-Type: text/plain; charset="utf-8" From: Claudiu Beznea Before accessing the USB area of the RZ/G3S SoC the PWRRDY bit of the SYS_USB_PWRRDY register need to be cleared. When USB area is not used the PWRRDY bit of the SYS_USB_PWRRDY register need to be set. This register is in the SYSC controller address space and the assert/de-assert of the signal handled by SYSC_USB_PWRRDY was implemented as a reset signal. The USB modules available on the RZ/G3S SoC that need this bit set are: - USB ch0 (supporting host and peripheral mode) - USB ch2 (supporting host mode) - USBPHY control As the USBPHY control is the root device for all the other USB channels (USB ch0, USB ch1) add support to set the PWRRDY for the USB area when initializing the USBPHY control. As this is done though reset signals get the reset array in the USBPHY control driver. Signed-off-by: Claudiu Beznea Reviewed-by: Geert Uytterhoeven --- drivers/reset/reset-rzg2l-usbphy-ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-= rzg2l-usbphy-ctrl.c index 1cd157f4f03b..8b64c12f3bec 100644 --- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c +++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c @@ -132,7 +132,7 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_devi= ce *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); =20 - priv->rstc =3D devm_reset_control_get_exclusive(&pdev->dev, NULL); + priv->rstc =3D devm_reset_control_array_get_exclusive(&pdev->dev); if (IS_ERR(priv->rstc)) return dev_err_probe(dev, PTR_ERR(priv->rstc), "failed to get reset\n"); --=20 2.39.2