From patchwork Tue Apr 19 13:36:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 564224 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27C51C433EF for ; Tue, 19 Apr 2022 13:41:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244628AbiDSNnl (ORCPT ); Tue, 19 Apr 2022 09:43:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352696AbiDSNmi (ORCPT ); Tue, 19 Apr 2022 09:42:38 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D53038DA8; Tue, 19 Apr 2022 06:39:40 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CDCF6B8197F; Tue, 19 Apr 2022 13:39:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E95D2C385B7; Tue, 19 Apr 2022 13:39:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650375577; bh=/1rRcvDuoUNuJnmYPxOkUtRPrNjTWfgWCQQLuGK0bF0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HzTn7rZS28K28plwPgCJQ1ghRASliQgI+2FNpVIvzNFzUi1UMK5PsDjZfQF3E1zqt mnS9gOUBto2VoRVRCx4Yuj8lbyW2OmCu+xl6Yg/lQSI7z3yCggGhd8SZLzhUTKkV0G 4ogMF4OyTC9vLOk3qkrtZxw01Hx1kngOU7CkWOkrZ7irrMS32QrmiusUzBa73hEit/ zPGdRbq5Q5uW64+CqYtjA3PCCVDipYSV0x3AONDo7ffgU5sraeCgGnABr+zWsns3bI fd00kWQV003loXXb9YePqTFuhXdVkfreFhqu2YPTGCtBIjFiNHdyrGAFpEfaT8V4vz PhMvBlCy/tvnA== From: Arnd Bergmann To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Arnd Bergmann , Russell King , Paul Walmsley , Kevin Hilman , Peter Ujfalusi , Vinod Koul , Dmitry Torokhov , Ulf Hansson , Dominik Brodowski , Mark Brown , Felipe Balbi , Alan Stern , Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , Linus Walleij , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dmaengine@vger.kernel.org, linux-input@vger.kernel.org, linux-mmc@vger.kernel.org, linux-serial@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org, Felipe Balbi Subject: [PATCH 16/41] ARM: omap1: innovator: move ohci phy power handling to board file Date: Tue, 19 Apr 2022 15:36:58 +0200 Message-Id: <20220419133723.1394715-17-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> References: <20220419133723.1394715-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Arnd Bergmann The innovator board needs a special case for its phy control. Move the corresponding code into the board file and out of the common code by adding another callback. Acked-by: Felipe Balbi Signed-off-by: Arnd Bergmann --- arch/arm/mach-omap1/board-innovator.c | 19 +++++++++++++++ drivers/usb/host/ohci-omap.c | 31 ++++--------------------- include/linux/platform_data/usb-omap1.h | 2 ++ 3 files changed, 26 insertions(+), 26 deletions(-) diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index e7d6735d4701..f169e172421d 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -290,6 +290,23 @@ static void __init innovator_init_smc91x(void) } #ifdef CONFIG_ARCH_OMAP15XX +/* + * Board specific gang-switched transceiver power on/off. + */ +static int innovator_omap_ohci_transceiver_power(int on) +{ + if (on) + __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL) + | ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), + INNOVATOR_FPGA_CAM_USB_CONTROL); + else + __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL) + & ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), + INNOVATOR_FPGA_CAM_USB_CONTROL); + + return 0; +} + static struct omap_usb_config innovator1510_usb_config __initdata = { /* for bundled non-standard host and peripheral cables */ .hmc_mode = 4, @@ -300,6 +317,8 @@ static struct omap_usb_config innovator1510_usb_config __initdata = { .register_dev = 1, .pins[0] = 2, + + .transceiver_power = innovator_omap_ohci_transceiver_power, }; static const struct omap_lcd_config innovator1510_lcd_config __initconst = { diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 750a90c41a0a..069791d25abb 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -67,31 +67,6 @@ static void omap_ohci_clock_power(struct ohci_omap_priv *priv, int on) } } -/* - * Board specific gang-switched transceiver power on/off. - * NOTE: OSK supplies power from DC, not battery. - */ -static int omap_ohci_transceiver_power(struct ohci_omap_priv *priv, int on) -{ - if (on) { - if (machine_is_omap_innovator() && cpu_is_omap1510()) - __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL) - | ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), - INNOVATOR_FPGA_CAM_USB_CONTROL); - else if (priv->power) - gpiod_set_value_cansleep(priv->power, 0); - } else { - if (machine_is_omap_innovator() && cpu_is_omap1510()) - __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL) - & ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), - INNOVATOR_FPGA_CAM_USB_CONTROL); - else if (priv->power) - gpiod_set_value_cansleep(priv->power, 1); - } - - return 0; -} - #ifdef CONFIG_USB_OTG static void start_hnp(struct ohci_hcd *ohci) @@ -202,7 +177,11 @@ static int ohci_omap_reset(struct usb_hcd *hcd) } /* FIXME hub_wq hub requests should manage power switching */ - omap_ohci_transceiver_power(priv, 1); + if (config->transceiver_power) + return config->transceiver_power(1); + + if (priv->power) + gpiod_set_value_cansleep(priv->power, 0); /* board init will have already handled HMC and mux setup. * any external transceiver should already be initialized diff --git a/include/linux/platform_data/usb-omap1.h b/include/linux/platform_data/usb-omap1.h index 878e572a78bf..e7b8dc92a269 100644 --- a/include/linux/platform_data/usb-omap1.h +++ b/include/linux/platform_data/usb-omap1.h @@ -50,6 +50,8 @@ struct omap_usb_config { int (*ocpi_enable)(void); void (*lb_reset)(void); + + int (*transceiver_power)(int on); }; #endif /* __LINUX_USB_OMAP1_H */