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add fdt device_compatible_entry

This commit is contained in:
tnn 2019-11-02 22:55:57 +00:00
parent 45e68d0766
commit 57e890b14b
1 changed files with 14 additions and 4 deletions
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18
sys/dev/spi/ssdfb_spi.c
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@ -1,4 +1,4 @@
/* $NetBSD: ssdfb_spi.c,v 1.2 2019/11/02 17:13:20 tnn Exp $ */ /* $NetBSD: ssdfb_spi.c,v 1.3 2019/11/02 22:55:57 tnn Exp $ */
/* /*
* Copyright (c) 2019 The NetBSD Foundation, Inc. * Copyright (c) 2019 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ssdfb_spi.c,v 1.2 2019/11/02 17:13:20 tnn Exp $"); __KERNEL_RCSID(0, "$NetBSD: ssdfb_spi.c,v 1.3 2019/11/02 22:55:57 tnn Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/device.h> #include <sys/device.h>
@ -73,18 +73,28 @@ static void ssdfb_bitstream_final(struct bs_state *);
CFATTACH_DECL_NEW(ssdfb_spi, sizeof(struct ssdfb_spi_softc), CFATTACH_DECL_NEW(ssdfb_spi, sizeof(struct ssdfb_spi_softc),
ssdfb_spi_match, ssdfb_spi_attach, NULL, NULL); ssdfb_spi_match, ssdfb_spi_attach, NULL, NULL);
static const struct device_compatible_entry compat_data[] = {
{ "solomon,ssd1322", 0 },
{ NULL, 0 }
};
static int static int
ssdfb_spi_match(device_t parent, cfdata_t match, void *aux) ssdfb_spi_match(device_t parent, cfdata_t match, void *aux)
{ {
struct spi_attach_args *sa = aux; struct spi_attach_args *sa = aux;
int res;
res = spi_compatible_match(sa, match, compat_data);
if (!res)
return res;
/* /*
* SSD1306 and SSD1322 data sheets specify 100ns cycle time. * SSD1306 and SSD1322 data sheets specify 100ns cycle time.
*/ */
if (spi_configure(sa->sa_handle, SPI_MODE_0, 10000000)) if (spi_configure(sa->sa_handle, SPI_MODE_0, 10000000))
return 0; res = 0;
return 1; return res;
} }
static void static void