+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF1ENA BIT(0)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF2ENA BIT(1)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF3ENA BIT(2)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF4ENA BIT(3)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUFENA_MASK 0x0F
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF1STRE BIT(4)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF2STRE BIT(5)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF3STRE BIT(6)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUF4STRE BIT(7)
+#define AB9540_SYSCLK12BUFCTRL_SYSCLK12BUFSTRE_MASK 0xF0
+
+#define AB9540_SYSCLK12CONFCTRL_PLL26TO38ENA BIT(0)
+#define AB9540_SYSCLK12CONFCTRL_SYSCLK12USBMUXSEL BIT(1)
+#define AB9540_SYSCLK12CONFCTRL_INT384MHZMUXSEL_MASK 0x0C
+#define AB9540_SYSCLK12CONFCTRL_INT384MHZMUXSEL_SHIFT 2
+#define AB9540_SYSCLK12CONFCTRL_SYSCLK12BUFMUX BIT(4)
+#define AB9540_SYSCLK12CONFCTRL_SYSCLK12PLLMUX BIT(5)
+#define AB9540_SYSCLK12CONFCTRL_SYSCLK2MUXVALID BIT(6)
+
+#define AB9540_SYSCLK12BUFCTRL2_SYSCLK12BUF1PDENA BIT(0)
+#define AB9540_SYSCLK12BUFCTRL2_SYSCLK12BUF2PDENA BIT(1)
+#define AB9540_SYSCLK12BUFCTRL2_SYSCLK12BUF3PDENA BIT(2)
+#define AB9540_SYSCLK12BUFCTRL2_SYSCLK12BUF4PDENA BIT(3)
+
+#define AB9540_SYSCLK12BUF1VALID_SYSCLK12BUF1VALID_MASK 0xFF
+#define AB9540_SYSCLK12BUF1VALID_SYSCLK12BUF1VALID_SHIFT 0
+
+#define AB9540_SYSCLK12BUF2VALID_SYSCLK12BUF2VALID_MASK 0xFF
+#define AB9540_SYSCLK12BUF2VALID_SYSCLK12BUF2VALID_SHIFT 0
+
+#define AB9540_SYSCLK12BUF3VALID_SYSCLK12BUF3VALID_MASK 0xFF
+#define AB9540_SYSCLK12BUF3VALID_SYSCLK12BUF3VALID_SHIFT 0
+
+#define AB9540_SYSCLK12BUF4VALID_SYSCLK12BUF4VALID_MASK 0xFF
+#define AB9540_SYSCLK12BUF4VALID_SYSCLK12BUF4VALID_SHIFT 0
+