diff options
| author | Michael Trimarchi <michael@amarulasolutions.com> | 2018-04-20 23:00:04 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2018-05-16 00:26:33 +0200 |
| commit | f5a4670de96678be275c7dd7f469a9d98938d68a (patch) | |
| tree | 18718b202518e7805a3781b5c5e3bfaadd2d0f8c /drivers/clk/imx | |
| parent | Linux 4.17-rc1 (diff) | |
| download | linux-f5a4670de96678be275c7dd7f469a9d98938d68a.tar.xz linux-f5a4670de96678be275c7dd7f469a9d98938d68a.zip | |
clk: imx: Add new clo01 and clo2 controlled by CCOSR
osc->cko2_sel->cko2_podf->clk_cko2->clk_cko
Example of usage to provide clock to the sgtl5000
codec: sgtl5000@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
clocks = <&clks IMX6UL_CLK_OSC>;
#sound-dai-cells = <0>;
clocks = <&clks IMX6UL_CLK_CKO>;
assigned-clocks = <&clks IMX6UL_CLK_CKO2_SEL>,
<&clks IMX6UL_CLK_CKO2_PODF>,
<&clks IMX6UL_CLK_CKO2>,
<&clks IMX6UL_CLK_CKO>;
assigned-clock-parents = <&clks IMX6UL_CLK_OSC>,
<&clks IMX6UL_CLK_CKO2_SEL>,
<&clks IMX6UL_CLK_CKO2_PODF>,
<&clks IMX6UL_CLK_CKO2>;
clock-names = "mclk";
wlf,shared-lrclk;
Signed-off-by: Matteo Lisi <matteo.lisi@engicam.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Tested-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/imx')
| -rw-r--r-- | drivers/clk/imx/clk-imx6ul.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index 114ecbb94ec5..9bfef1acee63 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -68,6 +68,13 @@ static const char *sim_sels[] = { "sim_podf", "ipp_di0", "ipp_di1", "ldb_di0", " static const char *epdc_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", }; static const char *esai_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", }; static const char *epdc_sels[] = { "epdc_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; +static const char *cko1_sels[] = { "dummy", "dummy", "dummy", "dummy", "dummy", "axi", "enfc", "dummy", "dummy", + "dummy", "lcdif_pix", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", }; +static const char *cko2_sels[] = { "dummy", "dummy", "dummy", "usdhc1", "dummy", "dummy", "ecspi_root", "dummy", + "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "osc", "dummy", + "dummy", "usdhc2", "sai1", "sai2", "sai3", "dummy", "dummy", "can_root", + "dummy", "dummy", "dummy", "dummy", "uart_serial", "spdif", "dummy", "dummy", }; +static const char *cko_sels[] = { "cko1", "cko2", }; static struct clk *clks[IMX6UL_CLK_END]; static struct clk_onecell_data clk_data; @@ -273,6 +280,10 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels)); clks[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels)); + clks[IMX6UL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels)); + clks[IMX6UL_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", base + 0x60, 16, 5, cko2_sels, ARRAY_SIZE(cko2_sels)); + clks[IMX6UL_CLK_CKO] = imx_clk_mux("cko", base + 0x60, 8, 1, cko_sels, ARRAY_SIZE(cko_sels)); + clks[IMX6UL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); clks[IMX6UL_CLK_LDB_DI0_DIV_7] = imx_clk_fixed_factor("ldb_di0_div_7", "ldb_di0_sel", 1, 7); clks[IMX6UL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "qspi1_sel", 2, 7); @@ -316,6 +327,9 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3); clks[IMX6UL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3); + clks[IMX6UL_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3); + clks[IMX6UL_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3); + clks[IMX6UL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16); clks[IMX6UL_CLK_MMDC_PODF] = imx_clk_busy_divider("mmdc_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2); clks[IMX6UL_CLK_AXI_PODF] = imx_clk_busy_divider("axi_podf", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0); @@ -445,6 +459,10 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_PWM6] = imx_clk_gate2("pwm6", "perclk", base + 0x80, 28); clks[IMX6UL_CLK_PWM7] = imx_clk_gate2("pwm7", "perclk", base + 0x80, 30); + /* CCOSR */ + clks[IMX6UL_CLK_CKO1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7); + clks[IMX6UL_CLK_CKO2] = imx_clk_gate("cko2", "cko2_podf", base + 0x60, 24); + /* mask handshake of mmdc */ writel_relaxed(BM_CCM_CCDR_MMDC_CH0_MASK, base + CCDR); |