aboutsummaryrefslogtreecommitdiff
path: root/includes/dt_util.h
diff options
context:
space:
mode:
authorBurt P <pburt0@gmail.com>2018-10-20 16:39:13 -0500
committerLeandro A. F. Pereira <leandro@hardinfo.org>2018-10-22 19:45:03 -0700
commitf281f89033b95cce1ac833c30a37d2d5ff396583 (patch)
tree6a035aca4b8183b95bca4d52f8bb742a1413c706 /includes/dt_util.h
parent2e8261216b99ef335dc9d1e04cdcc8ac8fe5f302 (diff)
devicetree: add oppv1 and clock-frequency to opp support
I don't have any hardware to test, this is based only on the OPP kernel docs. https://www.kernel.org/doc/Documentation/devicetree/bindings/opp/opp.txt Signed-off-by: Burt P <pburt0@gmail.com>
Diffstat (limited to 'includes/dt_util.h')
-rw-r--r--includes/dt_util.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/includes/dt_util.h b/includes/dt_util.h
index 5f2f3233..0c5dcfa8 100644
--- a/includes/dt_util.h
+++ b/includes/dt_util.h
@@ -30,6 +30,7 @@ enum {
DTP_CLOCKS, /* <phref, #clock-cells> */
DTP_GPIOS, /* <phref, #gpio-cells> */
DTP_DMAS, /* dma-specifier list */
+ DTP_OPP1, /* list of operating points, pairs of (kHz,uV) */
DTP_PH_REF_OPP2, /* phandle reference to opp-v2 table */
};
@@ -91,9 +92,10 @@ void dtr_msg(dtr *s, char *fmt, ...);
* ex: ret = appf(ret, "%s=%s\n", name, value); */
char *appf(char *src, char *fmt, ...);
-/* operating-points-v2 */
+/* operating-points v0,v1,v2 */
typedef struct {
- uint32_t phandle;
+ uint32_t version; /* opp version, 0 = clock-frequency only */
+ uint32_t phandle; /* v2 only */
uint32_t khz_min;
uint32_t khz_max;
uint32_t clock_latency_ns;