Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933146Ab3GRGsv (ORCPT ); Thu, 18 Jul 2013 02:48:51 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:34338 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932947Ab3GRGss (ORCPT ); Thu, 18 Jul 2013 02:48:48 -0400 From: Kishon Vijay Abraham I To: , , , , , , CC: , , , , , , , , , , , , , , , , Subject: [PATCH 15/15] video: exynos_dp: Use the generic PHY driver Date: Thu, 18 Jul 2013 12:16:24 +0530 Message-ID: <1374129984-765-16-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1374129984-765-1-git-send-email-kishon@ti.com> References: <1374129984-765-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3931 Lines: 125 From: Jingoo Han Use the generic PHY API to control the DP PHY. Signed-off-by: Jingoo Han Reviewed-by: Tomasz Figa Signed-off-by: Kishon Vijay Abraham I --- .../devicetree/bindings/video/exynos_dp.txt | 18 +++++++++--------- drivers/video/exynos/exynos_dp_core.c | 16 ++++++++++++---- drivers/video/exynos/exynos_dp_core.h | 1 + 3 files changed, 22 insertions(+), 13 deletions(-) diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt index 84f10c1..2f56376 100644 --- a/Documentation/devicetree/bindings/video/exynos_dp.txt +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt @@ -6,10 +6,10 @@ We use two nodes: -dptx-phy node(defined inside dp-controller node) For the DP-PHY initialization, we use the dptx-phy node. -Required properties for dptx-phy: - -reg: +Required properties for dptx-phy: deprecated, use phys and phy-names + -reg: deprecated Base address of DP PHY register. - -samsung,enable-mask: + -samsung,enable-mask: deprecated The bit-mask used to enable/disable DP PHY. For the Panel initialization, we read data from dp-controller node. @@ -25,6 +25,10 @@ Required properties for dp-controller: from common clock binding: handle to dp clock. -clock-names: from common clock binding: Shall be "dp". + -phys: + from general PHY binding: the phandle for the PHY device. + -phy-names: + from general PHY binding: Should be "dp". -interrupt-parent: phandle to Interrupt combiner node. -samsung,color-space: @@ -67,12 +71,8 @@ SOC specific portion: interrupt-parent = <&combiner>; clocks = <&clock 342>; clock-names = "dp"; - - dptx-phy { - reg = <0x10040720>; - samsung,enable-mask = <1>; - }; - + phys = <&dp_phy>; + phy-names = "dp"; }; Board Specific portion: diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 05fed7d..5e1a715 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "exynos_dp_core.h" @@ -960,8 +961,11 @@ static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp) dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy"); if (!dp_phy_node) { - dev_err(dp->dev, "could not find dptx-phy node\n"); - return -ENODEV; + dp->phy = devm_phy_get(dp->dev, "dp"); + if (IS_ERR(dp->phy)) + return PTR_ERR(dp->phy); + else + return 0; } if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) { @@ -992,7 +996,9 @@ err: static void exynos_dp_phy_init(struct exynos_dp_device *dp) { - if (dp->phy_addr) { + if (dp->phy) { + phy_power_on(dp->phy); + } else if (dp->phy_addr) { u32 reg; reg = __raw_readl(dp->phy_addr); @@ -1003,7 +1009,9 @@ static void exynos_dp_phy_init(struct exynos_dp_device *dp) static void exynos_dp_phy_exit(struct exynos_dp_device *dp) { - if (dp->phy_addr) { + if (dp->phy) { + phy_power_off(dp->phy); + } else if (dp->phy_addr) { u32 reg; reg = __raw_readl(dp->phy_addr); diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h index 56cfec8..607e36d 100644 --- a/drivers/video/exynos/exynos_dp_core.h +++ b/drivers/video/exynos/exynos_dp_core.h @@ -151,6 +151,7 @@ struct exynos_dp_device { struct video_info *video_info; struct link_train link_train; struct work_struct hotplug_work; + struct phy *phy; }; /* exynos_dp_reg.c */ -- 1.7.10.4 -- 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/