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authorTom Rini <trini@konsulko.com>2024-04-21 08:54:20 -0600
committerTom Rini <trini@konsulko.com>2024-04-21 08:54:20 -0600
commit1dd659fd626204bb6a6b4f330c27b11a7823bbb0 (patch)
tree44a012a0d9503033a6eca2e158b7ad4273644013 /drivers/clk
parentc08685289171e68afd4bae2eb2e279cdc49a407d (diff)
parentefe1ceec7ef0c2ce2344dbe066fca0d389a0b4f3 (diff)
downloadu-boot-WIP/21Apr2024.zip
u-boot-WIP/21Apr2024.tar.gz
u-boot-WIP/21Apr2024.tar.bz2
Merge tag 'video-20240421' of https://source.denx.de/u-boot/custodians/u-boot-videoWIP/21Apr2024
CI: https://source.denx.de/u-boot/custodians/u-boot-video/-/pipelines/20466 - simple_panel: support timing parsing from EDID - dw_hdmi: fix gcc-14 compiler warnings - dw_hdmi: support vendor PHY for HDMI - rockchip: add Rockchip INNO HDMI PHY driver - rockchip: RK3328 HDMI and VOP support - evb-rk3328: enable vidconsole support - Tegra DC and DSI improvements and Tegra 114 support - add LG LG070WX3 MIPI DSI panel driver - add Samsung LTL106HL02 MIPI DSI panel driver - add Toshiba TC358768 RGB to DSI bridge support - add basic support for the Parade DP501 transmitter - Tegra 3 panel and bridge driver improvements - simplefb: modernise DT parsing - fdt_simplefb: Enumerate framebuffer info from video handoff - preserve framebuffer if SPL is passing video hand-off - fdt_support: allow reserving FB region without simplefb
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/rockchip/clk_rk3328.c105
1 files changed, 103 insertions, 2 deletions
diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c
index cfec1d9..87075ec 100644
--- a/drivers/clk/rockchip/clk_rk3328.c
+++ b/drivers/clk/rockchip/clk_rk3328.c
@@ -178,6 +178,10 @@ enum {
CLK_I2C3_DIV_CON_SHIFT = 8,
CLK_I2C2_PLL_SEL_SHIFT = 7,
CLK_I2C2_DIV_CON_SHIFT = 0,
+
+ /* CLKSEL_CON40 */
+ CLK_HDMIPHY_DIV_CON_SHIFT = 3,
+ CLK_HDMIPHY_DIV_CON_MASK = 0x7 << CLK_HDMIPHY_DIV_CON_SHIFT,
};
#define VCO_MAX_KHZ (3200 * (MHz / KHz))
@@ -580,6 +584,96 @@ static ulong rk3328_spi_set_clk(struct rk3328_cru *cru, uint hz)
return rk3328_spi_get_clk(cru);
}
+#ifndef CONFIG_SPL_BUILD
+static ulong rk3328_vop_get_clk(struct rk3328_clk_priv *priv, ulong clk_id)
+{
+ struct rk3328_cru *cru = priv->cru;
+ u32 div, con, parent;
+
+ switch (clk_id) {
+ case ACLK_VOP_PRE:
+ con = readl(&cru->clksel_con[39]);
+ div = (con & ACLK_VOP_DIV_CON_MASK) >> ACLK_VOP_DIV_CON_SHIFT;
+ parent = GPLL_HZ;
+ break;
+ case ACLK_VIO_PRE:
+ con = readl(&cru->clksel_con[37]);
+ div = (con & ACLK_VIO_DIV_CON_MASK) >> ACLK_VIO_DIV_CON_SHIFT;
+ parent = GPLL_HZ;
+ break;
+ case DCLK_LCDC:
+ con = readl(&cru->clksel_con[40]);
+ div = (con & DCLK_LCDC_DIV_CON_MASK) >> DCLK_LCDC_DIV_CON_SHIFT;
+ parent = GPLL_HZ;
+ break;
+ default:
+ printf("%s: Unsupported vop get clk#%ld\n", __func__, clk_id);
+ return -ENOENT;
+ }
+
+ return DIV_TO_RATE(parent, div);
+}
+
+static ulong rk3328_vop_set_clk(struct rk3328_clk_priv *priv,
+ ulong clk_id, uint hz)
+{
+ struct rk3328_cru *cru = priv->cru;
+ int src_clk_div;
+ u32 con, parent;
+
+ src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz);
+ assert(src_clk_div - 1 < 31);
+
+ switch (clk_id) {
+ case ACLK_VOP_PRE:
+ rk_clrsetreg(&cru->clksel_con[39],
+ ACLK_VOP_PLL_SEL_MASK | ACLK_VOP_DIV_CON_MASK,
+ ACLK_VOP_PLL_SEL_CPLL << ACLK_VOP_PLL_SEL_SHIFT |
+ (src_clk_div - 1) << ACLK_VOP_DIV_CON_SHIFT);
+ break;
+ case ACLK_VIO_PRE:
+ rk_clrsetreg(&cru->clksel_con[37],
+ ACLK_VIO_PLL_SEL_MASK | ACLK_VIO_DIV_CON_MASK,
+ ACLK_VIO_PLL_SEL_CPLL << ACLK_VIO_PLL_SEL_SHIFT |
+ (src_clk_div - 1) << ACLK_VIO_DIV_CON_SHIFT);
+ break;
+ case DCLK_LCDC:
+ con = readl(&cru->clksel_con[40]);
+ con = (con & DCLK_LCDC_SEL_MASK) >> DCLK_LCDC_SEL_SHIFT;
+ if (con) {
+ parent = readl(&cru->clksel_con[40]);
+ parent = (parent & DCLK_LCDC_PLL_SEL_MASK) >>
+ DCLK_LCDC_PLL_SEL_SHIFT;
+ if (parent)
+ src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz);
+ else
+ src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz);
+
+ rk_clrsetreg(&cru->clksel_con[40],
+ DCLK_LCDC_DIV_CON_MASK,
+ (src_clk_div - 1) <<
+ DCLK_LCDC_DIV_CON_SHIFT);
+ }
+ break;
+ default:
+ printf("%s: Unable to set vop clk#%ld\n", __func__, clk_id);
+ return -EINVAL;
+ }
+
+ return rk3328_vop_get_clk(priv, clk_id);
+}
+#endif
+
+static ulong rk3328_hdmiphy_get_clk(struct rk3328_cru *cru)
+{
+ u32 div, con;
+
+ con = readl(&cru->clksel_con[40]);
+ div = (con & CLK_HDMIPHY_DIV_CON_MASK) >> CLK_HDMIPHY_DIV_CON_SHIFT;
+
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
static ulong rk3328_clk_get_rate(struct clk *clk)
{
struct rk3328_clk_priv *priv = dev_get_priv(clk->dev);
@@ -609,6 +703,9 @@ static ulong rk3328_clk_get_rate(struct clk *clk)
case SCLK_SPI:
rate = rk3328_spi_get_clk(priv->cru);
break;
+ case PCLK_HDMIPHY:
+ rate = rk3328_hdmiphy_get_clk(priv->cru);
+ break;
default:
return -ENOENT;
}
@@ -648,7 +745,13 @@ static ulong rk3328_clk_set_rate(struct clk *clk, ulong rate)
case SCLK_SPI:
ret = rk3328_spi_set_clk(priv->cru, rate);
break;
+#ifndef CONFIG_SPL_BUILD
case DCLK_LCDC:
+ case ACLK_VOP_PRE:
+ case ACLK_VIO_PRE:
+ rate = rk3328_vop_set_clk(priv, clk->id, rate);
+ break;
+#endif
case SCLK_PDM:
case SCLK_RTC32K:
case SCLK_UART0:
@@ -663,11 +766,9 @@ static ulong rk3328_clk_set_rate(struct clk *clk, ulong rate)
case ACLK_PERI_PRE:
case HCLK_PERI:
case PCLK_PERI:
- case ACLK_VIO_PRE:
case HCLK_VIO_PRE:
case ACLK_RGA_PRE:
case SCLK_RGA:
- case ACLK_VOP_PRE:
case ACLK_RKVDEC_PRE:
case ACLK_RKVENC:
case ACLK_VPU_PRE: