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[v2,01/11] dt-bindings: clock: rk3576: add IOC gated clocks

Message ID 20250410-rk3576-sai-v2-1-c64608346be3@collabora.com (mailing list archive)
State Under Review
Headers show
Series Add RK3576 SAI Audio Controller Support | expand

Commit Message

Nicolas Frattaroli April 10, 2025, 7:39 p.m. UTC 
Certain clocks on the RK3576 are additionally essentially "gated" behind
some bit toggles in the IOC GRF range. Downstream ungates these by
adding a separate clock driver that maps over the GRF range and leaks
their implementation of this into the DT.

Instead, define some new clock IDs for these, so that consumers of these
types of clocks can properly articulate which clock they're using, so
that we can then add them to the clock driver for SoCs that need them.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
---
 include/dt-bindings/clock/rockchip,rk3576-cru.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/include/dt-bindings/clock/rockchip,rk3576-cru.h b/include/dt-bindings/clock/rockchip,rk3576-cru.h
index f576e61bec7041455e10ac18c92f3b33ec0760e3..ded5ce42e62a7f4bc8058fd71b5e9e1d4580f49c 100644
--- a/include/dt-bindings/clock/rockchip,rk3576-cru.h
+++ b/include/dt-bindings/clock/rockchip,rk3576-cru.h
@@ -594,4 +594,14 @@ 
 #define SCMI_ARMCLK_B			11
 #define SCMI_CLK_GPU			456
 
+/* IOC-controlled output clocks */
+#define CLK_SAI0_MCLKOUT_TO_IO		571
+#define CLK_SAI1_MCLKOUT_TO_IO		572
+#define CLK_SAI2_MCLKOUT_TO_IO		573
+#define CLK_SAI3_MCLKOUT_TO_IO		574
+#define CLK_SAI4_MCLKOUT_TO_IO		575
+#define CLK_SAI4_MCLKOUT_TO_IO		575
+#define CLK_FSPI0_TO_IO			576
+#define CLK_FSPI1_TO_IO			577
+
 #endif