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[81.185.171.159]) by smtp.gmail.com with ESMTPSA id n66sm7654953wmb.35.2020.10.17.08.38.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Oct 2020 08:39:00 -0700 (PDT) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: timer: mtk-timer: add optional 13m and bus clock Date: Sat, 17 Oct 2020 17:38:56 +0200 Message-Id: <20201017153857.2494845-1-fparent@baylibre.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201017_113903_347510_CB28B16B X-CRM114-Status: UNSURE ( 9.83 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:442 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthias.bgg@gmail.com, Fabien Parent , tglx@linutronix.de, robh+dt@kernel.org, daniel.lezcano@linaro.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org The timer IP on MT8516 requires two clocks to be enabled. Add both clocks. Signed-off-by: Fabien Parent Acked-by: Rob Herring --- .../devicetree/bindings/timer/mediatek,mtk-timer.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt index 690a9c0966ac..3f9bfd246f19 100644 --- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -29,6 +29,11 @@ Required properties: - reg: Should contain location and length for timer register. - clocks: Should contain system clock. +Optional properties: +- clock-names: May contain: + * "clk13m": 13MHz clock system clock + * "bus": Bus clock + Examples: timer@10008000 { From patchwork Sat Oct 17 15:38:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien Parent X-Patchwork-Id: 11842843 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B3FE11752 for ; 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[81.185.171.159]) by smtp.gmail.com with ESMTPSA id n66sm7654953wmb.35.2020.10.17.08.39.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Oct 2020 08:39:02 -0700 (PDT) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] clocksource: mediatek: add clk13m and bus clock support Date: Sat, 17 Oct 2020 17:38:57 +0200 Message-Id: <20201017153857.2494845-2-fparent@baylibre.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201017153857.2494845-1-fparent@baylibre.com> References: <20201017153857.2494845-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201017_113904_446186_88C7AEF8 X-CRM114-Status: GOOD ( 11.73 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:441 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthias.bgg@gmail.com, Fabien Parent , tglx@linutronix.de, robh+dt@kernel.org, daniel.lezcano@linaro.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Some MediaTek SoC like MT8516 need to enable additional clocks for the GPT timer. Enable them if present. Signed-off-by: Fabien Parent --- drivers/clocksource/timer-mediatek.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/clocksource/timer-mediatek.c b/drivers/clocksource/timer-mediatek.c index 9318edcd8963..42e2d2090484 100644 --- a/drivers/clocksource/timer-mediatek.c +++ b/drivers/clocksource/timer-mediatek.c @@ -9,6 +9,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include #include #include #include @@ -278,8 +279,19 @@ static int __init mtk_syst_init(struct device_node *node) static int __init mtk_gpt_init(struct device_node *node) { + struct clk *clk_13m, *clk_bus; int ret; + /* Optional clock*/ + clk_13m = of_clk_get_by_name(node, "clk13m"); + if (!IS_ERR(clk_13m)) + clk_prepare_enable(clk_13m); + + /* Optional clock*/ + clk_bus = of_clk_get_by_name(node, "bus"); + if (!IS_ERR(clk_bus)) + clk_prepare_enable(clk_bus); + to.clkevt.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; to.clkevt.set_state_shutdown = mtk_gpt_clkevt_shutdown; to.clkevt.set_state_periodic = mtk_gpt_clkevt_set_periodic;