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authorTom Rini <trini@konsulko.com>2024-05-07 08:27:24 -0600
committerTom Rini <trini@konsulko.com>2024-05-07 08:27:24 -0600
commit1c40dda60f5f7e83a6d6f541cf5a57eb7e8ec43c (patch)
tree6d923d59a1e2dbab32568e272029eca73b522105 /drivers/clk
parent52835266d3e933656a217233eaf672dd9ccd7352 (diff)
parentbc7cb4b67a4070129bbfc5bffb2f5e9fd206991e (diff)
Merge tag 'u-boot-rockchip-20240507' of https://source.denx.de/u-boot/custodians/u-boot-rockchip
CI: https://source.denx.de/u-boot/custodians/u-boot-rockchip/-/pipelines/20628 - migrate to use OF_UPSTREAM for rv1108, rk3308, rk3328, rk356x, rk3588;
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/rockchip/clk_rk3328.c4
-rw-r--r--drivers/clk/rockchip/clk_rk3399.c67
2 files changed, 67 insertions, 4 deletions
diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c
index 87075ec7134..314b903eaa0 100644
--- a/drivers/clk/rockchip/clk_rk3328.c
+++ b/drivers/clk/rockchip/clk_rk3328.c
@@ -706,6 +706,9 @@ static ulong rk3328_clk_get_rate(struct clk *clk)
case PCLK_HDMIPHY:
rate = rk3328_hdmiphy_get_clk(priv->cru);
break;
+ case SCLK_USB3OTG_REF:
+ rate = OSC_HZ;
+ break;
default:
return -ENOENT;
}
@@ -780,6 +783,7 @@ static ulong rk3328_clk_set_rate(struct clk *clk, ulong rate)
case PCLK_DDR:
case ACLK_GMAC:
case PCLK_GMAC:
+ case SCLK_USB3OTG_REF:
case SCLK_USB3OTG_SUSPEND:
case USB480M:
return 0;
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 80f65a237e8..67b2c05ec9e 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -926,6 +926,26 @@ static ulong rk3399_saradc_set_clk(struct rockchip_cru *cru, uint hz)
return rk3399_saradc_get_clk(cru);
}
+static ulong rk3399_pciephy_get_clk(struct rockchip_cru *cru)
+{
+ if (readl(&cru->clksel_con[18]) & BIT(10))
+ return 100 * MHz;
+ else
+ return OSC_HZ;
+}
+
+static ulong rk3399_pciephy_set_clk(struct rockchip_cru *cru, uint hz)
+{
+ if (hz == 100 * MHz)
+ rk_setreg(&cru->clksel_con[18], BIT(10));
+ else if (hz == OSC_HZ)
+ rk_clrreg(&cru->clksel_con[18], BIT(10));
+ else
+ return -EINVAL;
+
+ return rk3399_pciephy_get_clk(cru);
+}
+
static ulong rk3399_clk_get_rate(struct clk *clk)
{
struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
@@ -956,7 +976,9 @@ static ulong rk3399_clk_get_rate(struct clk *clk)
case SCLK_UART1:
case SCLK_UART2:
case SCLK_UART3:
- return 24000000;
+ case SCLK_USB3OTG0_REF:
+ case SCLK_USB3OTG1_REF:
+ return OSC_HZ;
case PCLK_HDMI_CTRL:
break;
case DCLK_VOP0:
@@ -967,10 +989,14 @@ static ulong rk3399_clk_get_rate(struct clk *clk)
case SCLK_SARADC:
rate = rk3399_saradc_get_clk(priv->cru);
break;
+ case SCLK_PCIEPHY_REF:
+ rate = rk3399_pciephy_get_clk(priv->cru);
+ break;
case ACLK_VIO:
case ACLK_HDCP:
case ACLK_GIC_PRE:
case PCLK_DDR:
+ case ACLK_VDU:
break;
case PCLK_ALIVE:
case PCLK_WDT:
@@ -1049,7 +1075,7 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
* return 0 to satisfy clk_set_defaults during device probe.
*/
return 0;
- case SCLK_DDRCLK:
+ case SCLK_DDRC:
ret = rk3399_ddr_set_clk(priv->cru, rate);
break;
case PCLK_EFUSE1024NS:
@@ -1057,10 +1083,14 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
case SCLK_SARADC:
ret = rk3399_saradc_set_clk(priv->cru, rate);
break;
+ case SCLK_PCIEPHY_REF:
+ ret = rk3399_pciephy_set_clk(priv->cru, rate);
+ break;
case ACLK_VIO:
case ACLK_HDCP:
case ACLK_GIC_PRE:
case PCLK_DDR:
+ case ACLK_VDU:
return 0;
default:
log_debug("Unknown clock %lu\n", clk->id);
@@ -1106,12 +1136,39 @@ static int __maybe_unused rk3399_gmac_set_parent(struct clk *clk,
return -EINVAL;
}
+static int __maybe_unused rk3399_pciephy_set_parent(struct clk *clk,
+ struct clk *parent)
+{
+ struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
+ const char *clock_output_name;
+ int ret;
+
+ if (parent->dev == clk->dev && parent->id == SCLK_PCIEPHY_REF100M) {
+ rk_setreg(&priv->cru->clksel_con[18], BIT(10));
+ return 0;
+ }
+
+ ret = dev_read_string_index(parent->dev, "clock-output-names",
+ parent->id, &clock_output_name);
+ if (ret < 0)
+ return -ENODATA;
+
+ if (!strcmp(clock_output_name, "xin24m")) {
+ rk_clrreg(&priv->cru->clksel_con[18], BIT(10));
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
static int __maybe_unused rk3399_clk_set_parent(struct clk *clk,
struct clk *parent)
{
switch (clk->id) {
case SCLK_RMII_SRC:
return rk3399_gmac_set_parent(clk, parent);
+ case SCLK_PCIEPHY_REF:
+ return rk3399_pciephy_set_parent(clk, parent);
}
debug("%s: unsupported clk %ld\n", __func__, clk->id);
@@ -1202,7 +1259,8 @@ static int rk3399_clk_enable(struct clk *clk)
rk_clrreg(&priv->cru->clkgate_con[13], BIT(7));
break;
case SCLK_PCIEPHY_REF:
- rk_clrreg(&priv->cru->clksel_con[18], BIT(10));
+ if (readl(&priv->cru->clksel_con[18]) & BIT(10))
+ rk_clrreg(&priv->cru->clkgate_con[12], BIT(6));
break;
default:
debug("%s: unsupported clk %ld\n", __func__, clk->id);
@@ -1296,7 +1354,8 @@ static int rk3399_clk_disable(struct clk *clk)
rk_setreg(&priv->cru->clkgate_con[13], BIT(7));
break;
case SCLK_PCIEPHY_REF:
- rk_clrreg(&priv->cru->clksel_con[18], BIT(10));
+ if (readl(&priv->cru->clksel_con[18]) & BIT(10))
+ rk_setreg(&priv->cru->clkgate_con[12], BIT(6));
break;
default:
debug("%s: unsupported clk %ld\n", __func__, clk->id);