[PATCH 5.15 148/245] clk: imx8mp: add clkout1/2 support

Greg Kroah-Hartman
2024-02-27T14:07:45Z

From: Lucas Stach <l.stach@pengutronix.de>

[ Upstream commit 43896f56b59eeaf08687fa976257ae7083d01b41 ]

clkout1 and clkout2 allow to supply clocks from the SoC to the board,
which is used by some board designs to provide reference clocks.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220427162131.3127303-1-l.stach@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Stable-dep-of: 5c1f7f109094 ("dt-bindings: clocks: imx8mp: Add ID for usb suspend clock")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/imx/clk-imx8mp.c | 14 ++++++++++++++
include/dt-bindings/clock/imx8mp-clock.h | 9 +++++++--
2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index b1c83f9809123..cdeacdc143b5c 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -396,6 +396,11 @@ static const char * const imx8mp_sai7_sels[] = {"osc_24m", "audio_pll1_out", "au

static const char * const imx8mp_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", };

+static const char * const imx8mp_clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll1_out",
+ "dummy", "dummy", "gpu_pll_out", "vpu_pll_out",
+ "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3",
+ "dummy", "dummy", "osc_24m", "dummy", "osc_32k"};
+
static struct clk_hw **hws;
static struct clk_hw_onecell_data *clk_hw_data;

@@ -514,6 +519,15 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
hws[IMX8MP_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_500m_cg", 1, 2);
hws[IMX8MP_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1);

+ hws[IMX8MP_CLK_CLKOUT1_SEL] = imx_clk_hw_mux2("clkout1_sel", anatop_base + 0x128, 4, 4,
+ imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels));
+ hws[IMX8MP_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", anatop_base + 0x128, 0, 4);
+ hws[IMX8MP_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", anatop_base + 0x128, 8);
+ hws[IMX8MP_CLK_CLKOUT2_SEL] = imx_clk_hw_mux2("clkout2_sel", anatop_base + 0x128, 20, 4,
+ imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels));
+ hws[IMX8MP_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", anatop_base + 0x128, 16, 4);
+ hws[IMX8MP_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", anatop_base + 0x128, 24);
+
hws[IMX8MP_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mp_a53_sels, ccm_base + 0x8000);
hws[IMX8MP_CLK_A53_SRC] = hws[IMX8MP_CLK_A53_DIV];
hws[IMX8MP_CLK_A53_CG] = hws[IMX8MP_CLK_A53_DIV];
diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
index 4fff3e57f460b..a02fd723168cc 100644
--- a/include/dt-bindings/clock/imx8mp-clock.h
+++ b/include/dt-bindings/clock/imx8mp-clock.h
@@ -318,10 +318,15 @@
#define IMX8MP_CLK_AUDIO_AXI 310
#define IMX8MP_CLK_HSIO_AXI 311
#define IMX8MP_CLK_MEDIA_ISP 312
-
#define IMX8MP_CLK_MEDIA_DISP2_PIX 313
+#define IMX8MP_CLK_CLKOUT1_SEL 314
+#define IMX8MP_CLK_CLKOUT1_DIV 315
+#define IMX8MP_CLK_CLKOUT1 316
+#define IMX8MP_CLK_CLKOUT2_SEL 317
+#define IMX8MP_CLK_CLKOUT2_DIV 318
+#define IMX8MP_CLK_CLKOUT2 319

-#define IMX8MP_CLK_END 314
+#define IMX8MP_CLK_END 320

#define IMX8MP_CLK_AUDIOMIX_SAI1_IPG 0
#define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1 1
--
2.43.0