From patchwork Mon Oct 24 15:38:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13017862 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 78FF5FA3741 for ; Mon, 24 Oct 2022 17:05:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233867AbiJXRFe (ORCPT ); Mon, 24 Oct 2022 13:05:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235598AbiJXREy (ORCPT ); Mon, 24 Oct 2022 13:04:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65F2DD7E0F; Mon, 24 Oct 2022 08:40:33 -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 dfw.source.kernel.org (Postfix) with ESMTPS id B95F16148A; Mon, 24 Oct 2022 15:38:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7591C433D7; Mon, 24 Oct 2022 15:38:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666625907; bh=tpowaSybpyNA+t6AEvixmC0U/dYh2ATqWHcp/dHVolQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fdatf/tkH/vqBh5hbFFM+dlLWLWT9Jqjit2MozXc2qvLMmoD/+dJWyjY0K7i2oj1J 0hE77wyWGyE52BmwX9BZKeKxEOEaTdMA+zm9O7rkjHHMv0Pz3EU+F1KDcWAhtT+H6X fVFBzI/4XPgD8qoZSVAF0OqiTx8aAOIQaTFVY2NvOsUBCCmqOTJm0uZrc1eulmNGDA olGxYY9x+jhfDgS0VqEdR+gbnWHDbWlf4HJmR9lYFwanPSuegB05Ghs1J9WoR4+h2s wjE7UONPC2iOgWb20xLctUOBeCv3aIo96O4iDT2vDxrzsLtl2ASeUX8HbdFL1QMhwX nzyTbw0HXk+cg== From: Arnd Bergmann To: Tony Lindgren , linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann Subject: [PATCH 01/10] ARM: omap2: remove unused USB code Date: Mon, 24 Oct 2022 17:38:05 +0200 Message-Id: <20221024153814.254652-2-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20221024153814.254652-1-arnd@kernel.org> References: <20221024153814.254652-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Arnd Bergmann Some musb related code is no longer in use after commit 4d62dbda8561 ("ARM: OMAP3: Remove legacy support for am3517-evm") and can be removed. Signed-off-by: Arnd Bergmann --- arch/arm/mach-omap2/common.h | 2 - arch/arm/mach-omap2/omap_phy_internal.c | 87 ------------------------- arch/arm/mach-omap2/usb.h | 71 -------------------- 3 files changed, 160 deletions(-) delete mode 100644 arch/arm/mach-omap2/usb.h diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index bd5981945239..f8f9cc5b6964 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -40,8 +40,6 @@ #include "i2c.h" #include "serial.h" -#include "usb.h" - #define OMAP_INTC_START NR_IRQS extern int (*omap_pm_soc_init)(void); diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 6f6a6a66c981..21c6e7929d37 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -19,7 +19,6 @@ #include "soc.h" #include "control.h" -#include "usb.h" #define CONTROL_DEV_CONF 0x300 #define PHY_PD 0x1 @@ -52,89 +51,3 @@ static int __init omap4430_phy_power_down(void) return 0; } omap_early_initcall(omap4430_phy_power_down); - -void am35x_musb_reset(void) -{ - u32 regval; - - /* Reset the musb interface */ - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); - - regval |= AM35XX_USBOTGSS_SW_RST; - omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); - - regval &= ~AM35XX_USBOTGSS_SW_RST; - omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); - - regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); -} - -void am35x_musb_phy_power(u8 on) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(100); - u32 devconf2; - - if (on) { - /* - * Start the on-chip PHY and its PLL. - */ - devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~(CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN); - devconf2 |= CONF2_PHY_PLLON; - - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); - - pr_info("Waiting for PHY clock good...\n"); - while (!(omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2) - & CONF2_PHYCLKGD)) { - cpu_relax(); - - if (time_after(jiffies, timeout)) { - pr_err("musb PHY clock good timed out\n"); - break; - } - } - } else { - /* - * Power down the on-chip PHY. - */ - devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~CONF2_PHY_PLLON; - devconf2 |= CONF2_PHYPWRDN | CONF2_OTGPWRDN; - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); - } -} - -void am35x_musb_clear_irq(void) -{ - u32 regval; - - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); - regval |= AM35XX_USBOTGSS_INT_CLR; - omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); - regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); -} - -void am35x_set_mode(u8 musb_mode) -{ - u32 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); - - devconf2 &= ~CONF2_OTGMODE; - switch (musb_mode) { - case MUSB_HOST: /* Force VBUS valid, ID = 0 */ - devconf2 |= CONF2_FORCE_HOST; - break; - case MUSB_PERIPHERAL: /* Force VBUS valid, ID = 1 */ - devconf2 |= CONF2_FORCE_DEVICE; - break; - case MUSB_OTG: /* Don't override the VBUS/ID comparators */ - devconf2 |= CONF2_NO_OVERRIDE; - break; - default: - pr_info("Unsupported mode %u\n", musb_mode); - } - - omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); -} diff --git a/arch/arm/mach-omap2/usb.h b/arch/arm/mach-omap2/usb.h deleted file mode 100644 index 740a499befce..000000000000 --- a/arch/arm/mach-omap2/usb.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include - -/* AM35x */ -/* USB 2.0 PHY Control */ -#define CONF2_PHY_GPIOMODE (1 << 23) -#define CONF2_OTGMODE (3 << 14) -#define CONF2_NO_OVERRIDE (0 << 14) -#define CONF2_FORCE_HOST (1 << 14) -#define CONF2_FORCE_DEVICE (2 << 14) -#define CONF2_FORCE_HOST_VBUS_LOW (3 << 14) -#define CONF2_SESENDEN (1 << 13) -#define CONF2_VBDTCTEN (1 << 12) -#define CONF2_REFFREQ_24MHZ (2 << 8) -#define CONF2_REFFREQ_26MHZ (7 << 8) -#define CONF2_REFFREQ_13MHZ (6 << 8) -#define CONF2_REFFREQ (0xf << 8) -#define CONF2_PHYCLKGD (1 << 7) -#define CONF2_VBUSSENSE (1 << 6) -#define CONF2_PHY_PLLON (1 << 5) -#define CONF2_RESET (1 << 4) -#define CONF2_PHYPWRDN (1 << 3) -#define CONF2_OTGPWRDN (1 << 2) -#define CONF2_DATPOL (1 << 1) - -/* TI81XX specific definitions */ -#define USBCTRL0 0x620 -#define USBSTAT0 0x624 - -/* TI816X PHY controls bits */ -#define TI816X_USBPHY0_NORMAL_MODE (1 << 0) -#define TI816X_USBPHY_REFCLK_OSC (1 << 8) - -/* TI814X PHY controls bits */ -#define USBPHY_CM_PWRDN (1 << 0) -#define USBPHY_OTG_PWRDN (1 << 1) -#define USBPHY_CHGDET_DIS (1 << 2) -#define USBPHY_CHGDET_RSTRT (1 << 3) -#define USBPHY_SRCONDM (1 << 4) -#define USBPHY_SINKONDP (1 << 5) -#define USBPHY_CHGISINK_EN (1 << 6) -#define USBPHY_CHGVSRC_EN (1 << 7) -#define USBPHY_DMPULLUP (1 << 8) -#define USBPHY_DPPULLUP (1 << 9) -#define USBPHY_CDET_EXTCTL (1 << 10) -#define USBPHY_GPIO_MODE (1 << 12) -#define USBPHY_DPOPBUFCTL (1 << 13) -#define USBPHY_DMOPBUFCTL (1 << 14) -#define USBPHY_DPINPUT (1 << 15) -#define USBPHY_DMINPUT (1 << 16) -#define USBPHY_DPGPIO_PD (1 << 17) -#define USBPHY_DMGPIO_PD (1 << 18) -#define USBPHY_OTGVDET_EN (1 << 19) -#define USBPHY_OTGSESSEND_EN (1 << 20) -#define USBPHY_DATA_POLARITY (1 << 23) - -struct usbhs_phy_data { - int port; /* 1 indexed port number */ - int reset_gpio; - int vcc_gpio; - bool vcc_polarity; /* 1 active high, 0 active low */ -}; - -extern void usb_musb_init(struct omap_musb_board_data *board_data); -extern void usbhs_init(struct usbhs_omap_platform_data *pdata); -extern int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys); - -extern void am35x_musb_reset(void); -extern void am35x_musb_phy_power(u8 on); -extern void am35x_musb_clear_irq(void); -extern void am35x_set_mode(u8 musb_mode);