dt-bindings: clock: Add bindings for Exynos7885 CMU_FSYS

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@gmail.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220601233743.56317-2-virag.david003@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos7885-clock.yaml
index 5073e56..006d33a 100644 (file)
--- 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:
@@ -92,6 +93,32 @@ allOf:
       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:
+          contains:
             const: samsung,exynos7885-cmu-peri
 
     then:

diff --git a/include/dt-bindings/clock/exynos7885.h b/include/dt-bindings/clock/exynos7885.h
index 1f87016..d2e1483 100644 (file)
--- 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 */