struct tmu_info {
/* base Address for the TMU */
struct exynos5_tmu_reg *tmu_base;
+ /* mux Address for the TMU */
+ int tmu_mux;
/* pre-defined values for calibration and thresholds */
struct tmu_data data;
/* value required for triminfo_25 calibration */
*/
static int get_tmu_fdt_values(struct tmu_info *info, const void *blob)
{
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
fdt_addr_t addr;
int node;
int error = 0;
COMPAT_SAMSUNG_EXYNOS_TMU);
if (node < 0) {
debug("EXYNOS_TMU: No node for tmu in device tree\n");
- return -1;
+ return -ENODEV;
}
/*
addr = fdtdec_get_addr(blob, node, "reg");
if (addr == FDT_ADDR_T_NONE) {
debug("%s: Missing tmu-base\n", __func__);
- return -1;
+ return -ENODEV;
}
info->tmu_base = (struct exynos5_tmu_reg *)addr;
+ /* Optional field. */
+ info->tmu_mux = fdtdec_get_int(blob,
+ node, "samsung,mux", -1);
+ /* Take default value as per the user manual b(110) */
+ if (info->tmu_mux == -1)
+ info->tmu_mux = 0x6;
+
info->data.ts.min_val = fdtdec_get_int(blob,
node, "samsung,min-temp", -1);
error |= (info->data.ts.min_val == -1);
if (error) {
debug("fail to get tmu node properties\n");
- return -1;
+ return -EINVAL;
}
#else
/* Non DT support may never be added. Just in case */
- return -1;
+ return -ENODEV;
#endif
return 0;
/* TMU core enable */
con = readl(®->tmu_control);
- con |= THERM_TRIP_EN | CORE_EN;
+ con |= THERM_TRIP_EN | CORE_EN | (info->tmu_mux << 20);
writel(con, ®->tmu_control);