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Thu, 04 Feb 2021 23:18:46 -0800 (PST) From: Hsin-Yi Wang To: Matthias Brugger , CK Hu , linux-mediatek@lists.infradead.org Cc: Rob Herring , Bibby Hsieh , Jassi Brar , Yongqiang Niu , Fabien Parent , Dennis YC Hsieh , Hsin-Yi Wang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/3] mailbox: cmdq: add mt8192 support Date: Fri, 5 Feb 2021 15:18:33 +0800 Message-Id: <20210205071833.2707243-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog In-Reply-To: <20210205071833.2707243-1-hsinyi@chromium.org> References: <20210205071833.2707243-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Yongqiang Niu add mt8192 support Signed-off-by: Yongqiang Niu Signed-off-by: Hsin-Yi Wang --- drivers/mailbox/mtk-cmdq-mailbox.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index 5665b6ea8119f..de4793ef6798a 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -36,6 +36,8 @@ #define CMDQ_THR_WAIT_TOKEN 0x30 #define CMDQ_THR_PRIORITY 0x40 +#define GCE_GCTL_VALUE 0x48 + #define CMDQ_THR_ACTIVE_SLOT_CYCLES 0x3200 #define CMDQ_THR_ENABLED 0x1 #define CMDQ_THR_DISABLED 0x0 @@ -76,11 +78,13 @@ struct cmdq { struct clk *clock; bool suspended; u8 shift_pa; + bool control_by_sw; }; struct gce_plat { u32 thread_nr; u8 shift; + bool control_by_sw; }; u8 cmdq_get_shift_pa(struct mbox_chan *chan) @@ -121,6 +125,8 @@ static void cmdq_init(struct cmdq *cmdq) int i; WARN_ON(clk_enable(cmdq->clock) < 0); + if (cmdq->control_by_sw) + writel(0x7, cmdq->base + GCE_GCTL_VALUE); writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); for (i = 0; i <= CMDQ_MAX_EVENT; i++) writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); @@ -536,6 +542,7 @@ static int cmdq_probe(struct platform_device *pdev) cmdq->thread_nr = plat_data->thread_nr; cmdq->shift_pa = plat_data->shift; + cmdq->control_by_sw = plat_data->control_by_sw; cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0); err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, "mtk_cmdq", cmdq); @@ -601,11 +608,14 @@ static const struct dev_pm_ops cmdq_pm_ops = { static const struct gce_plat gce_plat_v2 = {.thread_nr = 16}; static const struct gce_plat gce_plat_v3 = {.thread_nr = 24}; static const struct gce_plat gce_plat_v4 = {.thread_nr = 24, .shift = 3}; +static const struct gce_plat gce_plat_v5 = {.thread_nr = 24, .shift = 3, + .control_by_sw = true}; static const struct of_device_id cmdq_of_ids[] = { {.compatible = "mediatek,mt8173-gce", .data = (void *)&gce_plat_v2}, {.compatible = "mediatek,mt8183-gce", .data = (void *)&gce_plat_v3}, {.compatible = "mediatek,mt6779-gce", .data = (void *)&gce_plat_v4}, + {.compatible = "mediatek,mt8192-gce", .data = (void *)&gce_plat_v5}, {} };