From patchwork Tue Jan 18 15:47:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Poulain X-Patchwork-Id: 12716652 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 2FAF2C433FE for ; Tue, 18 Jan 2022 15:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345850AbiARPfT (ORCPT ); Tue, 18 Jan 2022 10:35:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345829AbiARPfS (ORCPT ); Tue, 18 Jan 2022 10:35:18 -0500 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7347CC06173E for ; Tue, 18 Jan 2022 07:35:18 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id n8so1804433wmk.3 for ; Tue, 18 Jan 2022 07:35:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=Nu9JxzV1MOk2jR333ZXjMesaGItYV5x4+rbNyZI5Gt4=; b=uylJIRLNGilJ+QUDTG3sjszrGXvLy0KmZzwAzqZ6DrRNKeZcJDuwh8wsHHWF2KR8Qu t5pZ1P0qkeuoD63fX4zvgUkexklwqUtLPrDGOW6kaP+/2z8pmDERBpG5FpJtOaWPPHFI 45YW5AkqkCTMDk9i/1sAWj8HyHj+4MEY5wEBPXkH90edTG6TVfionhIPwnKfUBNB+WUw oU/BbjdU3vbT/GCXcIpoVjY0+WHqlzj8dbkM3aomkQ/nvg7nYgo+E3A1b6fZsHlz5PC/ USvRY4ibNrgjYmxQhe3O4EwXkxcD/LoeRX/ExyKUZWoC8k2dGyKj4QyA3Nj7h+DjTA4I jV/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Nu9JxzV1MOk2jR333ZXjMesaGItYV5x4+rbNyZI5Gt4=; b=kYC5M2bPlS/zJDPvpHxkYnDrEUfSZUf9dvBM9mUkGpjRhAnZ8w+fC1XwS4X8OP72xm CuHq0ERox4L21qoWBXDnEX1ZHUdTBLWt477G+MZGm+1Aqgi/Hr+EOBw75iwdZwXyDrZq x5jGSwl8NOQvDptuBaHMqIYO0te2GhHAwP6FGcD5ds7tUY9CQvC1F9i+i8xbolxCy6A5 qSZp4A/WZKgD08+GICyxAFdQlyfbB07uDhIyuycR9izpGFqmeNq8hO7ZguXENv8qYHQ3 un1F1Pf4kMlugK+LQJEF0Bs/4XKN5zOeaa3lnEsYYVVJVD8Q+VX7fWNa13hDB88H3Ldd sPNg== X-Gm-Message-State: AOAM532GnvY6gme6NN3wQRqUEgmu9ZnTQiWj8sUQX0wu+6moQ9LoML63 v9cztBViBYwq2Zuh9xA0Qufy+A== X-Google-Smtp-Source: ABdhPJxHEF1+pd2Xpl5HtfBEN7iEIPJwZs8rVPk3XmIzBnvl7f/OHZBUR1zMpRdnRFCPW4nTphGXYw== X-Received: by 2002:adf:e191:: with SMTP id az17mr25427679wrb.324.1642520116770; Tue, 18 Jan 2022 07:35:16 -0800 (PST) Received: from localhost.localdomain ([88.160.176.23]) by smtp.gmail.com with ESMTPSA id ay21sm3402146wmb.0.2022.01.18.07.35.15 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jan 2022 07:35:16 -0800 (PST) From: Loic Poulain To: robdclark@gmail.com, sean@poorly.run, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, bjorn.andersson@linaro.org, dmitry.baryshkov@linaro.org, Loic Poulain Subject: [PATCH 1/2] drm/msm: add support for QCM2290 MDSS Date: Tue, 18 Jan 2022 16:47:33 +0100 Message-Id: <1642520854-32196-1-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add compatibility for QCM2290 display subsystem, including required entries in DPU hw catalog. Signed-off-by: Loic Poulain --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 175 ++++++++++++++++++++++++- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 + drivers/gpu/drm/msm/msm_drv.c | 1 + 4 files changed, 177 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c index ce6f32a..7fa3fc7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c @@ -25,6 +25,8 @@ #define VIG_SM8250_MASK \ (VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3LITE)) +#define VIG_QCM2290_MASK VIG_MASK + #define DMA_SDM845_MASK \ (BIT(DPU_SSPP_SRC) | BIT(DPU_SSPP_QOS) | BIT(DPU_SSPP_QOS_8LVL) |\ BIT(DPU_SSPP_TS_PREFILL) | BIT(DPU_SSPP_TS_PREFILL_REC1) |\ @@ -251,6 +253,18 @@ static const struct dpu_caps sc7280_dpu_caps = { .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE, }; +static const struct dpu_caps qcm2290_dpu_caps = { + .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH, + .max_mixer_blendstages = 0x4, + .qseed_type = DPU_SSPP_SCALER_QSEED4, + .smart_dma_rev = DPU_SSPP_SMART_DMA_V2, + .ubwc_version = DPU_HW_UBWC_VER_20, + .has_dim_layer = true, + .has_idle_pc = true, + .max_linewidth = 2160, + .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE, +}; + static const struct dpu_mdp_cfg sdm845_mdp[] = { { .name = "top_0", .id = MDP_TOP, @@ -336,6 +350,19 @@ static const struct dpu_mdp_cfg sc7280_mdp[] = { }, }; +static const struct dpu_mdp_cfg qcm2290_mdp[] = { + { + .name = "top_0", .id = MDP_TOP, + .base = 0x0, .len = 0x494, + .features = 0, + .highest_bank_bit = 0x2, + .clk_ctrls[DPU_CLK_CTRL_VIG0] = { + .reg_off = 0x2AC, .bit_off = 0}, + .clk_ctrls[DPU_CLK_CTRL_DMA0] = { + .reg_off = 0x2AC, .bit_off = 8}, + }, +}; + /************************************************************* * CTL sub blocks config *************************************************************/ @@ -459,6 +486,15 @@ static const struct dpu_ctl_cfg sc7280_ctl[] = { }, }; +static const struct dpu_ctl_cfg qcm2290_ctl[] = { + { + .name = "ctl_0", .id = CTL_0, + .base = 0x1000, .len = 0x1dc, + .features = BIT(DPU_CTL_ACTIVE_CFG), + .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9), + }, +}; + /************************************************************* * SSPP sub blocks config *************************************************************/ @@ -595,6 +631,30 @@ static const struct dpu_sspp_cfg sc7280_sspp[] = { sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1), }; + +#define _QCM2290_VIG_SBLK(num, sdma_pri) \ + { \ + .maxdwnscale = SSPP_UNITY_SCALE, \ + .maxupscale = SSPP_UNITY_SCALE, \ + .smart_dma_priority = sdma_pri, \ + .src_blk = {.name = STRCAT("sspp_src_", num), \ + .id = DPU_SSPP_SRC, .base = 0x00, .len = 0x150,}, \ + .format_list = plane_formats_yuv, \ + .num_formats = ARRAY_SIZE(plane_formats_yuv), \ + .virt_format_list = plane_formats, \ + .virt_num_formats = ARRAY_SIZE(plane_formats), \ + } + +static const struct dpu_sspp_sub_blks qcm2290_vig_sblk_0 = _QCM2290_VIG_SBLK("0", 2); +static const struct dpu_sspp_sub_blks qcm2290_dma_sblk_0 = _DMA_SBLK("8", 1); + +static const struct dpu_sspp_cfg qcm2290_sspp[] = { + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_QCM2290_MASK, + qcm2290_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0), + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK, + qcm2290_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0), +}; + /************************************************************* * MIXER sub blocks config *************************************************************/ @@ -679,6 +739,21 @@ static const struct dpu_lm_cfg sc7280_lm[] = { &sc7180_lm_sblk, PINGPONG_3, LM_2, 0), }; +/* QCM2290 */ + +static const struct dpu_lm_sub_blks qcm2290_lm_sblk = { + .maxwidth = DEFAULT_DPU_OUTPUT_LINE_WIDTH, + .maxblendstages = 4, /* excluding base layer */ + .blendstage_base = { /* offsets relative to mixer base */ + 0x20, 0x38, 0x50, 0x68 + }, +}; + +static const struct dpu_lm_cfg qcm2290_lm[] = { + LM_BLK("lm_0", LM_0, 0x44000, MIXER_SC7180_MASK, + &qcm2290_lm_sblk, PINGPONG_0, 0, DSPP_0), +}; + /************************************************************* * DSPP sub blocks config *************************************************************/ @@ -692,6 +767,11 @@ static const struct dpu_dspp_sub_blks sm8150_dspp_sblk = { .len = 0x90, .version = 0x40000}, }; +static const struct dpu_dspp_sub_blks qcm2290_dspp_sblk = { + .pcc = {.id = DPU_DSPP_PCC, .base = 0x1700, + .len = 0x90, .version = 0x40000}, +}; + #define DSPP_BLK(_name, _id, _base, _mask, _sblk) \ {\ .name = _name, .id = _id, \ @@ -716,6 +796,11 @@ static const struct dpu_dspp_cfg sm8150_dspp[] = { &sm8150_dspp_sblk), }; +static const struct dpu_dspp_cfg qcm2290_dspp[] = { + DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK, + &qcm2290_dspp_sblk), +}; + /************************************************************* * PINGPONG sub blocks config *************************************************************/ @@ -736,6 +821,11 @@ static const struct dpu_pingpong_sub_blks sc7280_pp_sblk = { .len = 0x20, .version = 0x20000}, }; +static const struct dpu_pingpong_sub_blks qcm2290_pp_sblk = { + .dither = {.id = DPU_PINGPONG_DITHER, .base = 0x30e0, + .len = 0x20, .version = 0x10000}, +}; + #define PP_BLK_TE(_name, _id, _base, _merge_3d, _sblk, _done, _rdptr) \ {\ .name = _name, .id = _id, \ @@ -798,6 +888,12 @@ static const struct dpu_pingpong_cfg sm8150_pp[] = { -1), }; +static struct dpu_pingpong_cfg qcm2290_pp[] = { + PP_BLK("pingpong_0", PINGPONG_0, 0x70000, 0, qcm2290_pp_sblk, + DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8), + DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12)), +}; + /************************************************************* * MERGE_3D sub blocks config *************************************************************/ @@ -861,6 +957,11 @@ static const struct dpu_intf_cfg sc7280_intf[] = { INTF_BLK("intf_5", INTF_5, 0x39000, INTF_EDP, 0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 22, 23), }; +static const struct dpu_intf_cfg qcm2290_intf[] = { + INTF_BLK("intf_0", INTF_0, 0x00000, INTF_NONE, 0, 0, 0, 0, 0, 0), + INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27), +}; + /************************************************************* * VBIF sub blocks config *************************************************************/ @@ -931,6 +1032,10 @@ static const struct dpu_qos_lut_entry sm8150_qos_linear[] = { {.fl = 0, .lut = 0x0011222222223357 }, }; +static const struct dpu_qos_lut_entry qcm2290_qos_linear[] = { + {.fl = 0, .lut = 0x0011222222335777}, +}; + static const struct dpu_qos_lut_entry sdm845_qos_macrotile[] = { {.fl = 10, .lut = 0x344556677}, {.fl = 11, .lut = 0x3344556677}, @@ -1102,6 +1207,42 @@ static const struct dpu_perf_cfg sc7280_perf_data = { .bw_inefficiency_factor = 120, }; +static const struct dpu_perf_cfg qcm2290_perf_data = { + .max_bw_low = 2700000, + .max_bw_high = 2700000, + .min_core_ib = 1300000, + .min_llcc_ib = 0, + .min_dram_ib = 1600000, + .min_prefill_lines = 24, + .danger_lut_tbl = {0xff, 0x0, 0x0}, + .safe_lut_tbl = {0xfff0, 0x0, 0x0}, + .qos_lut_tbl = { + {.nentry = ARRAY_SIZE(qcm2290_qos_linear), + .entries = qcm2290_qos_linear + }, + }, + .cdp_cfg = { + {.rd_enable = 1, .wr_enable = 1}, + {.rd_enable = 1, .wr_enable = 0} + }, + .clk_inefficiency_factor = 105, + .bw_inefficiency_factor = 120, +}; + +static const struct dpu_vbif_cfg qcm2290_vbif[] = { + { + .name = "vbif_0", .id = VBIF_0, + .base = 0, .len = 0x1040, + .features = BIT(DPU_VBIF_QOS_REMAP), + .xin_halt_timeout = 0x4000, + .qos_rt_tbl = { + .npriority_lvl = ARRAY_SIZE(sdm845_rt_pri_lvl), + .priority_lvl = sdm845_rt_pri_lvl, + }, + .memtype_count = 14, + .memtype = {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}, + }, +}; /************************************************************* * Hardware catalog init *************************************************************/ @@ -1255,6 +1396,38 @@ static void sc7280_cfg_init(struct dpu_mdss_cfg *dpu_cfg) }; } + +/* + * qcm2290_cfg_init(): populate qcm2290 dpu sub-blocks reg offsets + * and instance counts. + */ +static void qcm2290_cfg_init(struct dpu_mdss_cfg *dpu_cfg) +{ + *dpu_cfg = (struct dpu_mdss_cfg){ + .caps = &qcm2290_dpu_caps, + .mdp_count = ARRAY_SIZE(qcm2290_mdp), + .mdp = qcm2290_mdp, + .ctl_count = ARRAY_SIZE(qcm2290_ctl), + .ctl = qcm2290_ctl, + .sspp_count = ARRAY_SIZE(qcm2290_sspp), + .sspp = qcm2290_sspp, + .mixer_count = ARRAY_SIZE(qcm2290_lm), + .mixer = qcm2290_lm, + .dspp_count = ARRAY_SIZE(qcm2290_dspp), + .dspp = qcm2290_dspp, + .pingpong_count = ARRAY_SIZE(qcm2290_pp), + .pingpong = qcm2290_pp, + .intf_count = ARRAY_SIZE(qcm2290_intf), + .intf = qcm2290_intf, + .vbif_count = ARRAY_SIZE(qcm2290_vbif), + .vbif = qcm2290_vbif, + .reg_dma_count = 1, + .dma_cfg = sdm845_regdma, + .perf = qcm2290_perf_data, + .mdss_irqs = IRQ_SC7180_MASK, + }; +} + static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = { { .hw_rev = DPU_HW_VER_400, .cfg_init = sdm845_cfg_init}, { .hw_rev = DPU_HW_VER_401, .cfg_init = sdm845_cfg_init}, @@ -1262,6 +1435,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = { { .hw_rev = DPU_HW_VER_501, .cfg_init = sm8150_cfg_init}, { .hw_rev = DPU_HW_VER_600, .cfg_init = sm8250_cfg_init}, { .hw_rev = DPU_HW_VER_620, .cfg_init = sc7180_cfg_init}, + { .hw_rev = DPU_HW_VER_650, .cfg_init = qcm2290_cfg_init}, { .hw_rev = DPU_HW_VER_720, .cfg_init = sc7280_cfg_init}, }; @@ -1291,4 +1465,3 @@ struct dpu_mdss_cfg *dpu_hw_catalog_init(u32 hw_rev) dpu_hw_catalog_deinit(dpu_cfg); return ERR_PTR(-ENODEV); } - diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h index 4ade44b..6d4eb46f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h @@ -41,6 +41,7 @@ #define DPU_HW_VER_501 DPU_HW_VER(5, 0, 1) /* sm8150 v2.0 */ #define DPU_HW_VER_600 DPU_HW_VER(6, 0, 0) /* sm8250 */ #define DPU_HW_VER_620 DPU_HW_VER(6, 2, 0) /* sc7180 v1.0 */ +#define DPU_HW_VER_650 DPU_HW_VER(6, 5, 0) /* qcm2290|sm4125 */ #define DPU_HW_VER_720 DPU_HW_VER(7, 2, 0) /* sc7280 */ #define IS_MSM8996_TARGET(rev) IS_DPU_MAJOR_MINOR_SAME((rev), DPU_HW_VER_170) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index a15b264..7e8d8a6 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1286,6 +1286,7 @@ static const struct dev_pm_ops dpu_pm_ops = { }; static const struct of_device_id dpu_dt_match[] = { + { .compatible = "qcom,qcm2290-dpu", }, { .compatible = "qcom,sdm845-dpu", }, { .compatible = "qcom,sc7180-dpu", }, { .compatible = "qcom,sc7280-dpu", }, diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 7936e8d..ebd5266 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1434,6 +1434,7 @@ static void msm_pdev_shutdown(struct platform_device *pdev) static const struct of_device_id dt_match[] = { { .compatible = "qcom,mdp4", .data = (void *)KMS_MDP4 }, { .compatible = "qcom,mdss", .data = (void *)KMS_MDP5 }, + { .compatible = "qcom,qcm2290-mdss", .data = (void *)KMS_DPU }, { .compatible = "qcom,sdm845-mdss", .data = (void *)KMS_DPU }, { .compatible = "qcom,sc7180-mdss", .data = (void *)KMS_DPU }, { .compatible = "qcom,sc7280-mdss", .data = (void *)KMS_DPU }, From patchwork Tue Jan 18 15:47:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Poulain X-Patchwork-Id: 12716653 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 4DFBDC43217 for ; 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Tue, 18 Jan 2022 07:35:18 -0800 (PST) From: Loic Poulain To: robdclark@gmail.com, sean@poorly.run, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, bjorn.andersson@linaro.org, dmitry.baryshkov@linaro.org, Loic Poulain Subject: [PATCH 2/2] dt-bindings: msm: disp: add yaml schemas for QCM2290 DPU bindings Date: Tue, 18 Jan 2022 16:47:34 +0100 Message-Id: <1642520854-32196-2-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1642520854-32196-1-git-send-email-loic.poulain@linaro.org> References: <1642520854-32196-1-git-send-email-loic.poulain@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org QCM2290 MSM Mobile Display Subsystem (MDSS) encapsulates sub-blocks like DPU display controller, DSI etc. Add YAML schema for DPU device tree bindings Signed-off-by: Loic Poulain --- .../bindings/display/msm/dpu-qcm2290.yaml | 214 +++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml diff --git a/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml b/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml new file mode 100644 index 00000000..8766b13 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml @@ -0,0 +1,214 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dpu-qcm2290.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display DPU dt properties for QCM2290 target + +maintainers: + - Loic Poulain + +description: | + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates + sub-blocks like DPU display controller and DSI. Device tree bindings of MDSS + and DPU are mentioned for QCM2290 target. + +properties: + compatible: + items: + - const: qcom,qcm2290-mdss + + reg: + maxItems: 1 + + reg-names: + const: mdss + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Display AHB clock from gcc + - description: Display AXI clock + - description: Display core clock + + clock-names: + items: + - const: iface + - const: bus + - const: core + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#address-cells": true + + "#size-cells": true + + "#interrupt-cells": + const: 1 + + iommus: + items: + - description: Phandle to apps_smmu node with SID mask for Hard-Fail port0 + - description: Phandle to apps_smmu node with SID mask for Hard-Fail port1 + + ranges: true + + interconnects: + items: + - description: Interconnect path specifying the port ids for data bus + + interconnect-names: + const: mdp0-mem + +patternProperties: + "^display-controller@[0-9a-f]+$": + type: object + description: Node containing the properties of DPU. + + properties: + compatible: + items: + - const: qcom,qcm2290-dpu + + reg: + items: + - description: Address offset and size for mdp register set + - description: Address offset and size for vbif register set + + reg-names: + items: + - const: mdp + - const: vbif + + clocks: + items: + - description: Display AXI clock from gcc + - description: Display AHB clock from dispcc + - description: Display core clock from dispcc + - description: Display lut clock from dispcc + - description: Display vsync clock from dispcc + + clock-names: + items: + - const: bus + - const: iface + - const: core + - const: lut + - const: vsync + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + operating-points-v2: true + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: | + Contains the list of output ports from DPU device. These ports + connect to interfaces that are external to the DPU hardware, + such as DSI. Each output port contains an endpoint that + describes how it is connected to an external interface. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: DPU_INTF1 (DSI1) + + required: + - port@0 + + required: + - compatible + - reg + - reg-names + - clocks + - interrupts + - power-domains + - operating-points-v2 + - ports + +required: + - compatible + - reg + - reg-names + - power-domains + - clocks + - interrupts + - interrupt-controller + - iommus + - ranges + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + #include + + mdss: mdss@5e00000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "qcom,qcm2290-mdss", "qcom,mdss"; + reg = <0x05e00000 0x1000>; + reg-names = "mdss"; + power-domains = <&dispcc MDSS_GDSC>; + clocks = <&gcc GCC_DISP_AHB_CLK>, + <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>; + clock-names = "iface", "bus", "core"; + + interrupts = ; + interrupt-controller; + #interrupt-cells = <1>; + + interconnects = <&mmrt_virt MASTER_MDP0 &bimc SLAVE_EBI1>; + interconnect-names = "mdp0-mem"; + + iommus = <&apps_smmu 0x420 0x2>, + <&apps_smmu 0x421 0x0>; + ranges; + + mdss_mdp: mdp@5e01000 { + compatible = "qcom,qcm2290-dpu"; + reg = <0x05e01000 0x8f000>, + <0x05eb0000 0x2008>; + reg-names = "mdp", "vbif"; + + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, + <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_MDP_CLK>, + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; + clock-names = "bus", "iface", "core", "lut", "vsync"; + + operating-points-v2 = <&mdp_opp_table>; + power-domains = <&rpmpd QCM2290_VDDCX>; + + interrupt-parent = <&mdss>; + interrupts = <0 IRQ_TYPE_NONE>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dpu_intf1_out: endpoint { + remote-endpoint = <&dsi0_in>; + }; + }; + }; + }; +...