[PATCH 1/5] dt-bindings: clock: Add bindings for Exynos7885 CMU_FSYS

David Virag virag.david003 at gmail.com
Wed Jun 1 16:37:39 PDT 2022


CMU_FSYS clock domain provides clocks for MMC (MMC_CARD, MMC_EMBD,
MMC_SDIO), and USB30DRD.

Add clock indices and bindings documentation for CMU_FSYS domain.

Signed-off-by: David Virag <virag.david003 at gmail.com>
---
 .../clock/samsung,exynos7885-clock.yaml       | 27 ++++++++++++++++
 include/dt-bindings/clock/exynos7885.h        | 31 ++++++++++++++++++-
 2 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml
index 5073e569a47f..006d33a9e0f1 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml
@@ -33,6 +33,7 @@ properties:
     enum:
       - samsung,exynos7885-cmu-top
       - samsung,exynos7885-cmu-core
+      - samsung,exynos7885-cmu-fsys
       - samsung,exynos7885-cmu-peri
 
   clocks:
@@ -88,6 +89,32 @@ allOf:
             - const: dout_core_cci
             - const: dout_core_g3d
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynos7885-cmu-fsys
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (26 MHz)
+            - description: CMU_FSYS bus clock (from CMU_TOP)
+            - description: MMC_CARD clock (from CMU_TOP)
+            - description: MMC_EMBD clock (from CMU_TOP)
+            - description: MMC_SDIO clock (from CMU_TOP)
+            - description: USB30DRD clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: dout_fsys_bus
+            - const: dout_fsys_mmc_card
+            - const: dout_fsys_mmc_embd
+            - const: dout_fsys_mmc_sdio
+            - const: dout_fsys_usb30drd
+
   - if:
       properties:
         compatible:
diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h
index 1f8701691d62..d2e1483f93e4 100644
--- a/include/dt-bindings/clock/exynos7885.h
+++ b/include/dt-bindings/clock/exynos7885.h
@@ -54,7 +54,22 @@
 #define CLK_GOUT_PERI_USI0		43
 #define CLK_GOUT_PERI_USI1		44
 #define CLK_GOUT_PERI_USI2		45
-#define TOP_NR_CLK			46
+#define CLK_MOUT_FSYS_BUS		46
+#define CLK_MOUT_FSYS_MMC_CARD		47
+#define CLK_MOUT_FSYS_MMC_EMBD		48
+#define CLK_MOUT_FSYS_MMC_SDIO		49
+#define CLK_MOUT_FSYS_USB30DRD		50
+#define CLK_DOUT_FSYS_BUS		51
+#define CLK_DOUT_FSYS_MMC_CARD		52
+#define CLK_DOUT_FSYS_MMC_EMBD		53
+#define CLK_DOUT_FSYS_MMC_SDIO		54
+#define CLK_DOUT_FSYS_USB30DRD		55
+#define CLK_GOUT_FSYS_BUS		56
+#define CLK_GOUT_FSYS_MMC_CARD		57
+#define CLK_GOUT_FSYS_MMC_EMBD		58
+#define CLK_GOUT_FSYS_MMC_SDIO		59
+#define CLK_GOUT_FSYS_USB30DRD		60
+#define TOP_NR_CLK			61
 
 /* CMU_CORE */
 #define CLK_MOUT_CORE_BUS_USER		1
@@ -112,4 +127,18 @@
 #define CLK_GOUT_WDT1_PCLK		43
 #define PERI_NR_CLK			44
 
+/* CMU_FSYS */
+#define CLK_MOUT_FSYS_BUS_USER		1
+#define CLK_MOUT_FSYS_MMC_CARD_USER	2
+#define CLK_MOUT_FSYS_MMC_EMBD_USER	3
+#define CLK_MOUT_FSYS_MMC_SDIO_USER	4
+#define CLK_MOUT_FSYS_USB30DRD_USER	4
+#define CLK_GOUT_MMC_CARD_ACLK		5
+#define CLK_GOUT_MMC_CARD_SDCLKIN	6
+#define CLK_GOUT_MMC_EMBD_ACLK		7
+#define CLK_GOUT_MMC_EMBD_SDCLKIN	8
+#define CLK_GOUT_MMC_SDIO_ACLK		9
+#define CLK_GOUT_MMC_SDIO_SDCLKIN	10
+#define FSYS_NR_CLK			11
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_7885_H */
-- 
2.36.1




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