[PATCH v7 1/5] clk: Introduce devm_clk_hw_register_gate_parent_data()

Marek Vasut marex at denx.de
Wed Mar 1 08:32:53 PST 2023


Add an API for clock gate that uses parent_data for the parent instead of
a string parent_name.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Reviewed-by: Fabio Estevam <festevam at gmail.com>
Tested-by: Adam Ford <aford173 at gmail.com> #imx8mp-beacon-kit
Tested-by: Alexander Stein <alexander.stein at ew.tq-group.com>
Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: Abel Vesa <abelvesa at kernel.org>
Cc: Alexander Stein <alexander.stein at ew.tq-group.com>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Jacky Bai <ping.bai at nxp.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: Luca Ceresoli <luca.ceresoli at bootlin.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Cc: Marco Felsch <m.felsch at pengutronix.de>
Cc: Michael Turquette <mturquette at baylibre.com>
Cc: NXP Linux Team <linux-imx at nxp.com>
Cc: Peng Fan <peng.fan at nxp.com>
Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
Cc: Richard Cochran <richardcochran at gmail.com>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Shawn Guo <shawnguo at kernel.org>
Cc: Stephen Boyd <sboyd at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-clk at vger.kernel.org
---
V3: New patch
V4: - Rebase on next 20230223
V5: Add TB from Adam and Alexander
V6: Add RB from Fabio
V7: Add RB from Peng
---
 include/linux/clk-provider.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 842e72a5348fa..92b7c794c6272 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -608,6 +608,25 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 	__devm_clk_hw_register_gate((dev), NULL, (name), (parent_name), NULL, \
 			       NULL, (flags), (reg), (bit_idx),		      \
 			       (clk_gate_flags), (lock))
+
+/**
+ * devm_clk_hw_register_gate - register a gate clock with the clock framework
+ * @dev: device that is registering this clock
+ * @name: name of this clock
+ * @parent_data: parent clk data
+ * @flags: framework-specific flags for this clock
+ * @reg: register address to control gating of this clock
+ * @bit_idx: which bit in the register controls gating of this clock
+ * @clk_gate_flags: gate-specific flags for this clock
+ * @lock: shared register lock for this clock
+ */
+#define devm_clk_hw_register_gate_parent_data(dev, name, parent_data, flags,  \
+					      reg, bit_idx, clk_gate_flags,   \
+					      lock)			      \
+	__devm_clk_hw_register_gate((dev), NULL, (name), NULL, NULL,	      \
+				    (parent_data), (flags), (reg), (bit_idx), \
+				    (clk_gate_flags), (lock))
+
 void clk_unregister_gate(struct clk *clk);
 void clk_hw_unregister_gate(struct clk_hw *hw);
 int clk_gate_is_enabled(struct clk_hw *hw);
-- 
2.39.2




More information about the linux-arm-kernel mailing list