linux-kernel - [PATCH v3 1/2] dt-bindings: clk/ingenic: Add MDMA and BDMA clocks

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Date:   Mon, 20 Dec 2021 19:33:18 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     list@...ndingux.net, linux-mips@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v3 1/2] dt-bindings: clk/ingenic: Add MDMA and BDMA clocks

The Ingenic JZ4760 and JZ4770 both have an extra DMA core named BDMA
dedicated to the NAND and BCH controller, but which can also do
memory-to-memory transfers. The JZ4760 additionally has a DMA core named
MDMA dedicated to memory-to-memory transfers. The programming manual for
the JZ4770 does have a bit for a MDMA clock, but does not seem to have
the hardware wired in.

Add macros for the MDMA and BDMA clocks to the dt-bindings include
files, so that they can be used within Device Tree files.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---

Notes:
    v3: New patch

 include/dt-bindings/clock/ingenic,jz4760-cgu.h | 2 ++
 include/dt-bindings/clock/ingenic,jz4770-cgu.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/include/dt-bindings/clock/ingenic,jz4760-cgu.h b/include/dt-bindings/clock/ingenic,jz4760-cgu.h
index 4bb2e19c4743..9fb04ebac6de 100644
--- a/include/dt-bindings/clock/ingenic,jz4760-cgu.h
+++ b/include/dt-bindings/clock/ingenic,jz4760-cgu.h
@@ -50,5 +50,7 @@
 #define JZ4760_CLK_LPCLK_DIV	41
 #define JZ4760_CLK_TVE		42
 #define JZ4760_CLK_LPCLK	43
+#define JZ4760_CLK_MDMA		44
+#define JZ4760_CLK_BDMA		45
 
 #endif /* __DT_BINDINGS_CLOCK_JZ4760_CGU_H__ */
diff --git a/include/dt-bindings/clock/ingenic,jz4770-cgu.h b/include/dt-bindings/clock/ingenic,jz4770-cgu.h
index d68a7695a1f8..0b475e8ae321 100644
--- a/include/dt-bindings/clock/ingenic,jz4770-cgu.h
+++ b/include/dt-bindings/clock/ingenic,jz4770-cgu.h
@@ -54,5 +54,6 @@
 #define JZ4770_CLK_OTG_PHY	45
 #define JZ4770_CLK_EXT512	46
 #define JZ4770_CLK_RTC		47
+#define JZ4770_CLK_BDMA		48
 
 #endif /* __DT_BINDINGS_CLOCK_JZ4770_CGU_H__ */
-- 
2.34.1