From patchwork Wed Mar 8 10:42:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 660778 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 352ABC74A5B for ; Wed, 8 Mar 2023 13:19:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230078AbjCHNTd (ORCPT ); Wed, 8 Mar 2023 08:19:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231278AbjCHNSm (ORCPT ); Wed, 8 Mar 2023 08:18:42 -0500 Received: from andre.telenet-ops.be (andre.telenet-ops.be [IPv6:2a02:1800:120:4::f00:15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C48D9C3E26 for ; Wed, 8 Mar 2023 05:15:29 -0800 (PST) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed50:614d:21b0:703:d0f9]) by andre.telenet-ops.be with bizsmtp id VpFM290093mNwr401pFMRX; Wed, 08 Mar 2023 14:15:21 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1pZtd0-00BF1S-VH; Wed, 08 Mar 2023 14:15:21 +0100 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1pZrFu-00FUfD-4d; Wed, 08 Mar 2023 11:42:46 +0100 From: Geert Uytterhoeven To: Linus Walleij Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 4/8] pinctrl: renesas: r8a77970: Add support for AVB power-source Date: Wed, 8 Mar 2023 11:42:40 +0100 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add support for configuring the I/O voltage level of the Ethernet AVB pins on the R-Car V3M SoC. "PIN_VDDQ_AVB0" can be configured for 2.5V or 3.3V operation. Signed-off-by: Geert Uytterhoeven --- drivers/pinctrl/renesas/pfc-r8a77970.c | 28 ++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/pinctrl/renesas/pfc-r8a77970.c b/drivers/pinctrl/renesas/pfc-r8a77970.c index 578c1d6fc2e0fcd9..54da0c025458d0a7 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77970.c +++ b/drivers/pinctrl/renesas/pfc-r8a77970.c @@ -34,7 +34,8 @@ PIN_NOGP_CFG(TCK, "TCK", fn, SH_PFC_PIN_CFG_PULL_UP), \ PIN_NOGP_CFG(TDI, "TDI", fn, SH_PFC_PIN_CFG_PULL_UP), \ PIN_NOGP_CFG(TMS, "TMS", fn, SH_PFC_PIN_CFG_PULL_UP), \ - PIN_NOGP_CFG(TRST_N, "TRST#", fn, SH_PFC_PIN_CFG_PULL_UP) + PIN_NOGP_CFG(TRST_N, "TRST#", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(VDDQ_AVB0, "VDDQ_AVB0", fn, SH_PFC_PIN_CFG_IO_VOLTAGE_25_33) /* * F_() : just information @@ -2364,19 +2365,30 @@ static int r8a77970_pin_to_pocctrl(unsigned int pin, u32 *pocctrl) { int bit = pin & 0x1f; - *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg; - if (pin >= RCAR_GP_PIN(0, 0) && pin <= RCAR_GP_PIN(0, 21)) + switch (pin) { + case RCAR_GP_PIN(0, 0) ... RCAR_GP_PIN(0, 21): + *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg; return bit; - if (pin >= RCAR_GP_PIN(2, 0) && pin <= RCAR_GP_PIN(2, 9)) + + case RCAR_GP_PIN(2, 0) ... RCAR_GP_PIN(2, 9): + *pocctrl = pinmux_ioctrl_regs[POCCTRL0].reg; return bit + 22; - *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg; - if (pin >= RCAR_GP_PIN(2, 10) && pin <= RCAR_GP_PIN(2, 16)) + case RCAR_GP_PIN(2, 10) ... RCAR_GP_PIN(2, 16): + *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg; return bit - 10; - if (pin >= RCAR_GP_PIN(3, 0) && pin <= RCAR_GP_PIN(3, 16)) + + case RCAR_GP_PIN(3, 0) ... RCAR_GP_PIN(3, 16): + *pocctrl = pinmux_ioctrl_regs[POCCTRL1].reg; return bit + 7; - return -EINVAL; + case PIN_VDDQ_AVB0: + *pocctrl = pinmux_ioctrl_regs[POCCTRL2].reg; + return 0; + + default: + return -EINVAL; + } } static const struct pinmux_bias_reg pinmux_bias_regs[] = {