From patchwork Fri Feb 16 20:41:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 10225701 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CF9C060231 for ; Fri, 16 Feb 2018 20:42:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BFBF9290B4 for ; Fri, 16 Feb 2018 20:42:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B3CB529121; Fri, 16 Feb 2018 20:42:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5027C290B4 for ; Fri, 16 Feb 2018 20:42:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E4E326E6E3; Fri, 16 Feb 2018 20:42:33 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from gloria.sntech.de (gloria.sntech.de [95.129.55.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 681926E6E7 for ; Fri, 16 Feb 2018 20:42:18 +0000 (UTC) Received: from ip9234b6d7.dynamic.kabel-deutschland.de ([146.52.182.215] helo=phil.fritz.box) by gloria.sntech.de with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1emmpd-0005wn-TH; Fri, 16 Feb 2018 21:42:10 +0100 From: Heiko Stuebner To: hjc@rock-chips.com, architt@codeaurora.org, a.hajda@samsung.com, kishon@ti.com Subject: [PATCH v2 8/8] drm/rockchip: dw_hdmi: add dw-hdmi support for the rk3328 Date: Fri, 16 Feb 2018 21:41:58 +0100 Message-Id: <20180216204158.29839-9-heiko@sntech.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180216204158.29839-1-heiko@sntech.de> References: <20180216204158.29839-1-heiko@sntech.de> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, Jose.Abreu@synopsys.com, algea.cao@rock-chips.com, devicetree@vger.kernel.org, airlied@linux.ie, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, Laurent.pinchart@ideasonboard.com, linux-arm-kernel@lists.infradead.org, zhengyang@rock-chips.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The rk3328 uses an external hdmi phy from Innosilicon which uses the generic phy framework for access. Add the necessary data and the compatible for it. Signed-off-by: Heiko Stuebner --- .../bindings/display/rockchip/dw_hdmi-rockchip.txt | 1 + drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 106 +++++++++++++++++++++ 2 files changed, 107 insertions(+) diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt index 937bfb472e1d..39143424a474 100644 --- a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt +++ b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt @@ -13,6 +13,7 @@ Required properties: - compatible: should be one of the following: "rockchip,rk3288-dw-hdmi" + "rockchip,rk3328-dw-hdmi" "rockchip,rk3399-dw-hdmi" - reg: See dw_hdmi.txt. - reg-io-width: See dw_hdmi.txt. Shall be 4. diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 8595638d4990..ea7671591f70 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -25,6 +25,24 @@ #define RK3288_GRF_SOC_CON6 0x025C #define RK3288_HDMI_LCDC_SEL BIT(4) +#define RK3328_GRF_SOC_CON2 0x0408 + +#define RK3328_HDMI_SDAIN_MSK BIT(11) +#define RK3328_HDMI_SCLIN_MSK BIT(10) +#define RK3328_HDMI_HPD_IOE BIT(2) +#define RK3328_GRF_SOC_CON3 0x040c +/* need to be unset if hdmi or i2c should control voltage */ +#define RK3328_HDMI_SDA5V_GRF BIT(15) +#define RK3328_HDMI_SCL5V_GRF BIT(14) +#define RK3328_HDMI_HPD5V_GRF BIT(13) +#define RK3328_HDMI_CEC5V_GRF BIT(12) +#define RK3328_GRF_SOC_CON4 0x0410 +#define RK3328_HDMI_HPD_SARADC BIT(13) +#define RK3328_HDMI_CEC_5V BIT(11) +#define RK3328_HDMI_SDA_5V BIT(10) +#define RK3328_HDMI_SCL_5V BIT(9) +#define RK3328_HDMI_HPD_5V BIT(8) + #define RK3399_GRF_SOC_CON20 0x6250 #define RK3399_HDMI_LCDC_SEL BIT(6) @@ -300,6 +318,68 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun .atomic_check = dw_hdmi_rockchip_encoder_atomic_check, }; +static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data, + struct drm_display_mode *mode) +{ + struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data; + + return phy_power_on(hdmi->phy); +} + +static void dw_hdmi_rockchip_genphy_disable(struct dw_hdmi *dw_hdmi, void *data) +{ + struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data; + + phy_power_off(hdmi->phy); +} + +static enum drm_connector_status +dw_hdmi_rk3328_read_hpd(struct dw_hdmi *dw_hdmi, void *data) +{ + struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data; + enum drm_connector_status status; + + status = dw_hdmi_phy_read_hpd(dw_hdmi, data); + + if (status == connector_status_connected) + regmap_write(hdmi->regmap, + RK3328_GRF_SOC_CON4, + HIWORD_UPDATE(RK3328_HDMI_CEC_5V | RK3328_HDMI_SDA_5V | + RK3328_HDMI_SCL_5V, + RK3328_HDMI_CEC_5V | RK3328_HDMI_SDA_5V | + RK3328_HDMI_SCL_5V)); + else + regmap_write(hdmi->regmap, + RK3328_GRF_SOC_CON4, + HIWORD_UPDATE(0, + RK3328_HDMI_CEC_5V | RK3328_HDMI_SDA_5V | + RK3328_HDMI_SCL_5V)); + return status; +} + +static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data) +{ + struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data; + + dw_hdmi_phy_setup_hpd(dw_hdmi, data); + + /* Enable and map pins to 3V grf-controlled io-voltage */ + regmap_write(hdmi->regmap, + RK3328_GRF_SOC_CON4, + HIWORD_UPDATE(0, RK3328_HDMI_HPD_SARADC | RK3328_HDMI_CEC_5V | + RK3328_HDMI_SDA_5V | RK3328_HDMI_SCL_5V | + RK3328_HDMI_HPD_5V)); + regmap_write(hdmi->regmap, + RK3328_GRF_SOC_CON3, + HIWORD_UPDATE(0, RK3328_HDMI_SDA5V_GRF | RK3328_HDMI_SCL5V_GRF | + RK3328_HDMI_HPD5V_GRF | RK3328_HDMI_CEC5V_GRF)); + regmap_write(hdmi->regmap, + RK3328_GRF_SOC_CON2, + HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK, + RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK | + RK3328_HDMI_HPD_IOE)); +} + static struct rockchip_hdmi_chip_data rk3288_chip_data = { .lcdsel_grf_reg = RK3288_GRF_SOC_CON6, .lcdsel_big = HIWORD_UPDATE(0, RK3288_HDMI_LCDC_SEL), @@ -314,6 +394,29 @@ static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = { .phy_data = &rk3288_chip_data, }; +static const struct dw_hdmi_phy_ops rk3328_hdmi_phy_ops = { + .init = dw_hdmi_rockchip_genphy_init, + .disable = dw_hdmi_rockchip_genphy_disable, + .read_hpd = dw_hdmi_rk3328_read_hpd, + .update_hpd = dw_hdmi_phy_update_hpd, + .setup_hpd = dw_hdmi_rk3328_setup_hpd, +}; + +static struct rockchip_hdmi_chip_data rk3328_chip_data = { + .lcdsel_grf_reg = -1, +}; + +static const struct dw_hdmi_plat_data rk3328_hdmi_drv_data = { + .mode_valid = dw_hdmi_rockchip_mode_valid, + .mpll_cfg = rockchip_mpll_cfg, + .cur_ctr = rockchip_cur_ctr, + .phy_config = rockchip_phy_config, + .phy_data = &rk3328_chip_data, + .phy_ops = &rk3328_hdmi_phy_ops, + .phy_name = "inno_dw_hdmi_phy2", + .phy_force_type = DW_HDMI_PHY_VENDOR_PHY, +}; + static struct rockchip_hdmi_chip_data rk3399_chip_data = { .lcdsel_grf_reg = RK3399_GRF_SOC_CON20, .lcdsel_big = HIWORD_UPDATE(0, RK3399_HDMI_LCDC_SEL), @@ -332,6 +435,9 @@ static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = { { .compatible = "rockchip,rk3288-dw-hdmi", .data = &rk3288_hdmi_drv_data }, + { .compatible = "rockchip,rk3328-dw-hdmi", + .data = &rk3328_hdmi_drv_data + }, { .compatible = "rockchip,rk3399-dw-hdmi", .data = &rk3399_hdmi_drv_data },