On 2016年11月22日 16:49, Arnd Bergmann wrote:
On Tuesday, November 22, 2016 3:49:20 PM CET Zhangfei Gao wrote:
-#define PERIPH_RSTDIS0_MMC0 0x000
-#define PERIPH_RSTDIS0_MMC1 0x001
-#define PERIPH_RSTDIS0_MMC2 0x002
-#define PERIPH_RSTDIS0_NANDC 0x003
-#define PERIPH_RSTDIS0_USBOTG_BUS 0x004
-#define PERIPH_RSTDIS0_POR_PICOPHY 0x005
-#define PERIPH_RSTDIS0_USBOTG 0x006
-#define PERIPH_RSTDIS0_USBOTG_32K 0x007
-#define PERIPH_RSTDIS1_HIFI 0x100
-#define PERIPH_RSTDIS1_DIGACODEC 0x105
+/* reset in sysctrl */
+#define PERIPH_RSTDIS0_MMC0 0
+#define PERIPH_RSTDIS0_MMC1 1
+#define PERIPH_RSTDIS0_MMC2 2
+#define PERIPH_RSTDIS0_NANDC 3
+#define PERIPH_RSTDIS0_USBOTG_BUS 4
+#define PERIPH_RSTDIS0_POR_PICOPHY 5
+#define PERIPH_RSTDIS0_USBOTG 6
+#define PERIPH_RSTDIS0_USBOTG_32K 7
+#define PERIPH_RSTDIS1_HIFI 8
You can't redefined the binding here, this is part of the ABI.
You can however add new numbers as long as the old ones keep
working.
The methods are different.
The original define is offset | bit_shift, and driver has to parse
offset and bit shift.
The new define is just index of array, which is defined in the reset-xxx.c
Thanks
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