From:   Oleksij Rempel <o.rempel@pengutronix.de>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Abel Vesa <abelvesa@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Richard Cochran <richardcochran@gmail.com>
Cc:     Oleksij Rempel <o.rempel@pengutronix.de>,
        Abel Vesa <abel.vesa@linaro.org>, kernel@pengutronix.de,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Russell King <linux@armlinux.org.uk>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH v3 14/19] clk: imx: add imx_obtain_fixed_of_clock()
Date:   Tue, 31 Jan 2023 09:46:37 +0100
Message-Id: <20230131084642.709385-15-o.rempel@pengutronix.de>
In-Reply-To: <20230131084642.709385-1-o.rempel@pengutronix.de>
References: <20230131084642.709385-1-o.rempel@pengutronix.de>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Add imx_obtain_fixed_of_clock() to optionally add clock not configured in
the devicetree.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
---
 drivers/clk/imx/clk.c | 14 ++++++++++++++
 drivers/clk/imx/clk.h |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index 4f7db3c9e144..19cde59a20cb 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -110,6 +110,20 @@ struct clk_hw *imx_obtain_fixed_clock_hw(
 	return __clk_get_hw(clk);
 }
 
+struct clk_hw *imx_obtain_fixed_of_clock(struct device_node *np,
+					 const char *name, unsigned long rate)
+{
+	struct clk *clk = of_clk_get_by_name(np, name);
+	struct clk_hw *hw;
+
+	if (IS_ERR(clk))
+		hw = imx_obtain_fixed_clock_hw(name, rate);
+	else
+		hw = __clk_get_hw(clk);
+
+	return hw;
+}
+
 struct clk_hw *imx_get_clk_hw_by_name(struct device_node *np, const char *name)
 {
 	struct clk *clk;
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index afc1ea0f5bcf..3d94722bbf99 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -288,6 +288,9 @@ struct clk * imx_obtain_fixed_clock(
 struct clk_hw *imx_obtain_fixed_clock_hw(
 			const char *name, unsigned long rate);
 
+struct clk_hw *imx_obtain_fixed_of_clock(struct device_node *np,
+					 const char *name, unsigned long rate);
+
 struct clk_hw *imx_get_clk_hw_by_name(struct device_node *np, const char *name);
 
 struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
-- 
2.30.2