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path: root/drivers/clk/rockchip
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Diffstat (limited to 'drivers/clk/rockchip')
-rw-r--r--drivers/clk/rockchip/clk_rk3399.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 22c373a..44fb8ca 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -233,6 +233,10 @@ enum {
DCLK_VOP_DIV_CON_MASK = 0xff,
DCLK_VOP_DIV_CON_SHIFT = 0,
+ /* CLKSEL_CON57 */
+ PCLK_ALIVE_DIV_CON_SHIFT = 0,
+ PCLK_ALIVE_DIV_CON_MASK = 0x1f << PCLK_ALIVE_DIV_CON_SHIFT,
+
/* CLKSEL_CON58 */
CLK_SPI_PLL_SEL_WIDTH = 1,
CLK_SPI_PLL_SEL_MASK = ((1 < CLK_SPI_PLL_SEL_WIDTH) - 1),
@@ -867,6 +871,17 @@ static ulong rk3399_ddr_set_clk(struct rockchip_cru *cru,
return set_rate;
}
+static ulong rk3399_alive_get_clk(struct rockchip_cru *cru)
+{
+ u32 div, val;
+
+ val = readl(&cru->clksel_con[57]);
+ div = (val & PCLK_ALIVE_DIV_CON_MASK) >>
+ PCLK_ALIVE_DIV_CON_SHIFT;
+
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
static ulong rk3399_saradc_get_clk(struct rockchip_cru *cru)
{
u32 div, val;
@@ -936,6 +951,10 @@ static ulong rk3399_clk_get_rate(struct clk *clk)
case ACLK_GIC_PRE:
case PCLK_DDR:
break;
+ case PCLK_ALIVE:
+ case PCLK_WDT:
+ rate = rk3399_alive_get_clk(priv->cru);
+ break;
default:
log_debug("Unknown clock %lu\n", clk->id);
return -ENOENT;
@@ -1502,6 +1521,7 @@ static ulong rk3399_pmuclk_get_rate(struct clk *clk)
case PLL_PPLL:
return PPLL_HZ;
case PCLK_RKPWM_PMU:
+ case PCLK_WDT_M0_PMU:
rate = rk3399_pwm_get_clk(priv->pmucru);
break;
case SCLK_I2C0_PMU: