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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 Cc: matthias.bgg@gmail.com, robh+dt@kernel.org, tglx@linutronix.de, daniel.lezcano@linaro.org, Fabien Parent 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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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; -- 2.28.0