diff options
| author | Casey Connolly <[email protected]> | 2025-07-14 15:13:16 +0200 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-10-30 11:04:51 -0600 |
| commit | 9887944c4fa44cab668626b8e9d07a18f41e4246 (patch) | |
| tree | 405e25867276de5da3442f62ea05f5e3545cfc5b | |
| parent | 10f28bc7ae0ca039970f760493fb8719300f0479 (diff) | |
clk/qcom: sc7280: add uart5 and uart7 clocks
Allow us to power up UART7 so we can load the QUP firmware, this is used
for bluetooth on RB3 Gen 2 and possibly other boards.
Additionally add the UART5 clocks so we can adjust baud rate for UART
Signed-off-by: Casey Connolly <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
| -rw-r--r-- | drivers/clk/qcom/clock-sc7280.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clock-sc7280.c b/drivers/clk/qcom/clock-sc7280.c index 47e0ca5f0e5..55a233df394 100644 --- a/drivers/clk/qcom/clock-sc7280.c +++ b/drivers/clk/qcom/clock-sc7280.c @@ -38,6 +38,22 @@ static const struct freq_tbl ftbl_gcc_usb30_sec_master_clk_src[] = { { } }; +static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s2_clk_src[] = { + F(7372800, CFG_CLK_SRC_GPLL0_EVEN, 1, 384, 15625), + F(14745600, CFG_CLK_SRC_GPLL0_EVEN, 1, 768, 15625), + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + F(29491200, CFG_CLK_SRC_GPLL0_EVEN, 1, 1536, 15625), + F(32000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 8, 75), + F(48000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 4, 25), + F(52174000, CFG_CLK_SRC_GPLL0, 1, 2, 23), + F(64000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 16, 75), + F(75000000, CFG_CLK_SRC_GPLL0_EVEN, 4, 0, 0), + F(80000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 4, 15), + F(96000000, CFG_CLK_SRC_GPLL0_EVEN, 1, 8, 25), + F(100000000, CFG_CLK_SRC_GPLL0, 6, 0, 0), + { } +}; + static ulong sc7280_set_rate(struct clk *clk, ulong rate) { struct msm_clk_priv *priv = dev_get_priv(clk->dev); @@ -47,6 +63,16 @@ static ulong sc7280_set_rate(struct clk *clk, ulong rate) debug("%s: %s, requested rate=%ld\n", __func__, priv->data->clks[clk->id].name, rate); switch (clk->id) { + case GCC_QUPV3_WRAP0_S5_CLK: /* UART5 */ + freq = qcom_find_freq(ftbl_gcc_qupv3_wrap0_s2_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, 0x17600, + freq->pre_div, freq->m, freq->n, freq->src, 16); + return freq->freq; + case GCC_QUPV3_WRAP0_S7_CLK: /* UART7 */ + freq = qcom_find_freq(ftbl_gcc_qupv3_wrap0_s2_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, 0x17860, + freq->pre_div, freq->m, freq->n, freq->src, 16); + return freq->freq; case GCC_USB30_PRIM_MASTER_CLK: freq = qcom_find_freq(ftbl_gcc_usb30_prim_master_clk_src, rate); clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_MASTER_CLK_CMD_RCGR, @@ -107,6 +133,8 @@ static const struct gate_clk sc7280_clks[] = { GATE_CLK(GCC_QUPV3_WRAP0_S0_CLK, 0x52008, BIT(10)), GATE_CLK(GCC_QUPV3_WRAP0_S1_CLK, 0x52008, BIT(11)), GATE_CLK(GCC_QUPV3_WRAP0_S3_CLK, 0x52008, BIT(13)), + GATE_CLK(GCC_QUPV3_WRAP0_S5_CLK, 0x52008, BIT(15)), + GATE_CLK(GCC_QUPV3_WRAP0_S7_CLK, 0x52008, BIT(17)), GATE_CLK(GCC_UFS_PHY_AXI_CLK, 0x77010, BIT(0)), GATE_CLK(GCC_AGGRE_UFS_PHY_AXI_CLK, 0x770cc, BIT(0)), GATE_CLK(GCC_UFS_PHY_AHB_CLK, 0x77018, BIT(0)), |