Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754255AbaA1A4R (ORCPT ); Mon, 27 Jan 2014 19:56:17 -0500 Received: from mail-ea0-f179.google.com ([209.85.215.179]:42444 "EHLO mail-ea0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754163AbaA1A4P (ORCPT ); Mon, 27 Jan 2014 19:56:15 -0500 From: Sebastian Hesselbarth To: Sebastian Hesselbarth Cc: Jason Cooper , Andrew Lunn , Gregory Clement , Thomas Petazzoni , Linus Walleij , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 10/21] pinctrl: mvebu: kirkwood: provide generic mpp callbacks Date: Tue, 28 Jan 2014 01:39:22 +0100 Message-Id: <1390869573-27624-11-git-send-email-sebastian.hesselbarth@gmail.com> In-Reply-To: <1390869573-27624-1-git-send-email-sebastian.hesselbarth@gmail.com> References: <1390674856-4993-1-git-send-email-sebastian.hesselbarth@gmail.com> <1390869573-27624-1-git-send-email-sebastian.hesselbarth@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We want to get rid of passing register addresses to common pinctrl driver, so provide set/get callbacks for generic mpp pins. Signed-off-by: Sebastian Hesselbarth --- Cc: Jason Cooper Cc: Andrew Lunn Cc: Gregory Clement Cc: Thomas Petazzoni Cc: Linus Walleij Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/pinctrl/mvebu/pinctrl-kirkwood.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c index 842ceb196726..2872f28057fb 100644 --- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c +++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c @@ -23,6 +23,30 @@ static void __iomem *mpp_base; +static int kirkwood_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl, + unsigned long *config) +{ + unsigned off = (ctrl->pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned shift = (ctrl->pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + + *config = (readl(mpp_base + off) >> shift) & MVEBU_MPP_MASK; + + return 0; +} + +static int kirkwood_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl, + unsigned long config) +{ + unsigned off = (ctrl->pid / MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned shift = (ctrl->pid % MVEBU_MPPS_PER_REG) * MVEBU_MPP_BITS; + unsigned long reg; + + reg = readl(mpp_base + off) & ~(MVEBU_MPP_MASK << shift); + writel(reg | (config << shift), mpp_base + off); + + return 0; +} + #define V(f6180, f6190, f6192, f6281, f6282, dx4122) \ ((f6180 << 0) | (f6190 << 1) | (f6192 << 2) | \ (f6281 << 3) | (f6282 << 4) | (dx4122 << 5)) @@ -361,7 +385,7 @@ static struct mvebu_mpp_mode mv88f6xxx_mpp_modes[] = { }; static struct mvebu_mpp_ctrl mv88f6180_mpp_controls[] = { - MPP_REG_CTRL(0, 29), + MPP_FUNC_CTRL(0, 29, NULL, kirkwood_mpp_ctrl), }; static struct pinctrl_gpio_range mv88f6180_gpio_ranges[] = { @@ -369,7 +393,7 @@ static struct pinctrl_gpio_range mv88f6180_gpio_ranges[] = { }; static struct mvebu_mpp_ctrl mv88f619x_mpp_controls[] = { - MPP_REG_CTRL(0, 35), + MPP_FUNC_CTRL(0, 35, NULL, kirkwood_mpp_ctrl), }; static struct pinctrl_gpio_range mv88f619x_gpio_ranges[] = { @@ -378,7 +402,7 @@ static struct pinctrl_gpio_range mv88f619x_gpio_ranges[] = { }; static struct mvebu_mpp_ctrl mv88f628x_mpp_controls[] = { - MPP_REG_CTRL(0, 49), + MPP_FUNC_CTRL(0, 49, NULL, kirkwood_mpp_ctrl), }; static struct pinctrl_gpio_range mv88f628x_gpio_ranges[] = { -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/