Add the PCIe clocks for the SM8550 GCC.
Signed-off-by: Neil Armstrong neil.armstrong@linaro.org --- drivers/clk/qcom/clock-sm8550.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)
diff --git a/drivers/clk/qcom/clock-sm8550.c b/drivers/clk/qcom/clock-sm8550.c index c0249925cc7eb165faefea35ef29c5ff59faf07f..62b5a409e8e08243ad53a0bc58af1c7754a3d950 100644 --- a/drivers/clk/qcom/clock-sm8550.c +++ b/drivers/clk/qcom/clock-sm8550.c @@ -57,6 +57,16 @@ static const struct freq_tbl ftbl_gcc_usb30_prim_master_clk_src[] = { { } };
+static const struct freq_tbl ftbl_gcc_pcie_0_aux_clk_src[] = { + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + { } +}; + +static const struct freq_tbl ftbl_gcc_pcie_0_phy_rchng_clk_src[] = { + F(100000000, CFG_CLK_SRC_GPLL0_EVEN, 3, 0, 0), + { } +}; + static ulong sm8550_set_rate(struct clk *clk, ulong rate) { struct msm_clk_priv *priv = dev_get_priv(clk->dev); @@ -84,6 +94,24 @@ static ulong sm8550_set_rate(struct clk *clk, ulong rate) case GCC_USB3_PRIM_PHY_AUX_CLK_SRC: clk_rcg_set_rate(priv->base, 0x39070, 0, 0); return TCXO_DIV2_RATE; + case GCC_PCIE_0_AUX_CLK: + freq = qcom_find_freq(ftbl_gcc_pcie_0_aux_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, 0x6b074, + freq->pre_div, freq->m, freq->n, freq->src, 16); + return freq->freq; + case GCC_PCIE_1_AUX_CLK: + freq = qcom_find_freq(ftbl_gcc_pcie_0_aux_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, 0x8d07c, + freq->pre_div, freq->m, freq->n, freq->src, 16); + return freq->freq; + case GCC_PCIE_0_PHY_RCHNG_CLK: + freq = qcom_find_freq(ftbl_gcc_pcie_0_phy_rchng_clk_src, rate); + clk_rcg_set_rate(priv->base, 0x6b058, freq->pre_div, freq->src); + return freq->freq; + case GCC_PCIE_1_PHY_RCHNG_CLK: + freq = qcom_find_freq(ftbl_gcc_pcie_0_phy_rchng_clk_src, rate); + clk_rcg_set_rate(priv->base, 0x8d060, freq->pre_div, freq->src); + return freq->freq; default: return 0; } @@ -182,6 +210,14 @@ static int sm8550_enable(struct clk *clk) qcom_gate_clk_en(priv, GCC_USB3_PRIM_PHY_AUX_CLK); qcom_gate_clk_en(priv, GCC_USB3_PRIM_PHY_COM_AUX_CLK); break; + case GCC_PCIE_0_PIPE_CLK: + // GCC_PCIE_0_PIPE_CLK_SRC + clk_phy_mux_enable(priv->base, 0x6b070, true); + break; + case GCC_PCIE_1_PIPE_CLK: + // GCC_PCIE_1_PIPE_CLK_SRC + clk_phy_mux_enable(priv->base, 0x8d078, true); + break; }
qcom_gate_clk_en(priv, clk->id);