linux-kernel - [PATCH] ASoC: samsung: i2s: Add clocks' macros descriptions

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Date:   Tue, 24 Sep 2019 13:48:38 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Maciej Falkowski <m.falkowski@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH] ASoC: samsung: i2s: Add clocks' macros descriptions

From: Maciej Falkowski <m.falkowski@...sung.com>

To increase macro readability added descriptions
to clocks macros.

Signed-off-by: Maciej Falkowski <m.falkowski@...sung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 include/dt-bindings/sound/samsung-i2s.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/dt-bindings/sound/samsung-i2s.h b/include/dt-bindings/sound/samsung-i2s.h
index 77545f14c379..fd752475c762 100644
--- a/include/dt-bindings/sound/samsung-i2s.h
+++ b/include/dt-bindings/sound/samsung-i2s.h
@@ -2,8 +2,13 @@
 #ifndef _DT_BINDINGS_SAMSUNG_I2S_H
 #define _DT_BINDINGS_SAMSUNG_I2S_H
 
-#define CLK_I2S_CDCLK		0
-#define CLK_I2S_RCLK_SRC	1
-#define CLK_I2S_RCLK_PSR	2
+/* the CDCLK (CODECLKO) gate clock */
+#define CLK_I2S_CDCLK 0
+
+/* the RCLKSRC mux clock (corresponding to RCLKSRC bit in IISMOD register) */
+#define CLK_I2S_RCLK_SRC 1
+
+/* the RCLK prescaler divider clock (corresponding to the IISPSR register) */
+#define CLK_I2S_RCLK_PSR 2
 
 #endif /* _DT_BINDINGS_SAMSUNG_I2S_H */
-- 
2.17.1