[PATCH v6 4/5] clk: meson: axg_audio: add S4 support

Jiebing Chen via B4 Relay devnull+jiebing.chen.amlogic.com at kernel.org
Sun Jan 25 22:01:45 PST 2026


From: Jiebing Chen <jiebing.chen at amlogic.com>

Add S4 support the axg audio clock controllers, Compared with the
previous version, the selection of the audio's clock and data pad
will be designed in the form of pinmux control. The purpose of doing
this is to distinguish between clock control and pin control selection.

Signed-off-by: Jiebing Chen <jiebing.chen at amlogic.com>
---
 drivers/clk/meson/axg-audio.c | 165 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)

diff --git a/drivers/clk/meson/axg-audio.c b/drivers/clk/meson/axg-audio.c
index fd7eca652261..ab8c05b0509e 100644
--- a/drivers/clk/meson/axg-audio.c
+++ b/drivers/clk/meson/axg-audio.c
@@ -1150,6 +1150,159 @@ static struct clk_hw *g12a_audio_hw_clks[] = {
 	[AUD_CLKID_TOP]			= &axg_aud_top,
 };
 
+/*
+ * Array of all S4 clocks provided by this provider
+ * The input clocks of the controller will be populated at runtime
+ */
+static struct clk_hw *s4_audio_hw_clks[] = {
+	[AUD_CLKID_DDR_ARB]		= &ddr_arb.hw,
+	[AUD_CLKID_PDM]			= &pdm.hw,
+	[AUD_CLKID_TDMIN_A]		= &tdmin_a.hw,
+	[AUD_CLKID_TDMIN_B]		= &tdmin_b.hw,
+	[AUD_CLKID_TDMIN_C]		= &tdmin_c.hw,
+	[AUD_CLKID_TDMIN_LB]		= &tdmin_lb.hw,
+	[AUD_CLKID_TDMOUT_A]		= &tdmout_a.hw,
+	[AUD_CLKID_TDMOUT_B]		= &tdmout_b.hw,
+	[AUD_CLKID_TDMOUT_C]		= &tdmout_c.hw,
+	[AUD_CLKID_FRDDR_A]		= &frddr_a.hw,
+	[AUD_CLKID_FRDDR_B]		= &frddr_b.hw,
+	[AUD_CLKID_FRDDR_C]		= &frddr_c.hw,
+	[AUD_CLKID_TODDR_A]		= &toddr_a.hw,
+	[AUD_CLKID_TODDR_B]		= &toddr_b.hw,
+	[AUD_CLKID_TODDR_C]		= &toddr_c.hw,
+	[AUD_CLKID_LOOPBACK]		= &loopback.hw,
+	[AUD_CLKID_SPDIFIN]		= &spdifin.hw,
+	[AUD_CLKID_SPDIFOUT]		= &spdifout.hw,
+	[AUD_CLKID_RESAMPLE]		= &resample.hw,
+	[AUD_CLKID_SPDIFOUT_B]		= &spdifout_b.hw,
+	[AUD_CLKID_MST_A_MCLK_SEL]	= &sm1_mst_a_mclk_sel.hw,
+	[AUD_CLKID_MST_B_MCLK_SEL]	= &sm1_mst_b_mclk_sel.hw,
+	[AUD_CLKID_MST_C_MCLK_SEL]	= &sm1_mst_c_mclk_sel.hw,
+	[AUD_CLKID_MST_D_MCLK_SEL]	= &sm1_mst_d_mclk_sel.hw,
+	[AUD_CLKID_MST_E_MCLK_SEL]	= &sm1_mst_e_mclk_sel.hw,
+	[AUD_CLKID_MST_F_MCLK_SEL]	= &sm1_mst_f_mclk_sel.hw,
+	[AUD_CLKID_MST_A_MCLK_DIV]	= &sm1_mst_a_mclk_div.hw,
+	[AUD_CLKID_MST_B_MCLK_DIV]	= &sm1_mst_b_mclk_div.hw,
+	[AUD_CLKID_MST_C_MCLK_DIV]	= &sm1_mst_c_mclk_div.hw,
+	[AUD_CLKID_MST_D_MCLK_DIV]	= &sm1_mst_d_mclk_div.hw,
+	[AUD_CLKID_MST_E_MCLK_DIV]	= &sm1_mst_e_mclk_div.hw,
+	[AUD_CLKID_MST_F_MCLK_DIV]	= &sm1_mst_f_mclk_div.hw,
+	[AUD_CLKID_MST_A_MCLK]		= &sm1_mst_a_mclk.hw,
+	[AUD_CLKID_MST_B_MCLK]		= &sm1_mst_b_mclk.hw,
+	[AUD_CLKID_MST_C_MCLK]		= &sm1_mst_c_mclk.hw,
+	[AUD_CLKID_MST_D_MCLK]		= &sm1_mst_d_mclk.hw,
+	[AUD_CLKID_MST_E_MCLK]		= &sm1_mst_e_mclk.hw,
+	[AUD_CLKID_MST_F_MCLK]		= &sm1_mst_f_mclk.hw,
+	[AUD_CLKID_SPDIFOUT_CLK_SEL]	= &spdifout_clk_sel.hw,
+	[AUD_CLKID_SPDIFOUT_CLK_DIV]	= &spdifout_clk_div.hw,
+	[AUD_CLKID_SPDIFOUT_CLK]	= &spdifout_clk.hw,
+	[AUD_CLKID_SPDIFOUT_B_CLK_SEL]	= &spdifout_b_clk_sel.hw,
+	[AUD_CLKID_SPDIFOUT_B_CLK_DIV]	= &spdifout_b_clk_div.hw,
+	[AUD_CLKID_SPDIFOUT_B_CLK]	= &spdifout_b_clk.hw,
+	[AUD_CLKID_SPDIFIN_CLK_SEL]	= &spdifin_clk_sel.hw,
+	[AUD_CLKID_SPDIFIN_CLK_DIV]	= &spdifin_clk_div.hw,
+	[AUD_CLKID_SPDIFIN_CLK]		= &spdifin_clk.hw,
+	[AUD_CLKID_PDM_DCLK_SEL]	= &pdm_dclk_sel.hw,
+	[AUD_CLKID_PDM_DCLK_DIV]	= &pdm_dclk_div.hw,
+	[AUD_CLKID_PDM_DCLK]		= &pdm_dclk.hw,
+	[AUD_CLKID_PDM_SYSCLK_SEL]	= &pdm_sysclk_sel.hw,
+	[AUD_CLKID_PDM_SYSCLK_DIV]	= &pdm_sysclk_div.hw,
+	[AUD_CLKID_PDM_SYSCLK]		= &pdm_sysclk.hw,
+	[AUD_CLKID_MST_A_SCLK_PRE_EN]	= &mst_a_sclk_pre_en.hw,
+	[AUD_CLKID_MST_B_SCLK_PRE_EN]	= &mst_b_sclk_pre_en.hw,
+	[AUD_CLKID_MST_C_SCLK_PRE_EN]	= &mst_c_sclk_pre_en.hw,
+	[AUD_CLKID_MST_D_SCLK_PRE_EN]	= &mst_d_sclk_pre_en.hw,
+	[AUD_CLKID_MST_E_SCLK_PRE_EN]	= &mst_e_sclk_pre_en.hw,
+	[AUD_CLKID_MST_F_SCLK_PRE_EN]	= &mst_f_sclk_pre_en.hw,
+	[AUD_CLKID_MST_A_SCLK_DIV]	= &mst_a_sclk_div.hw,
+	[AUD_CLKID_MST_B_SCLK_DIV]	= &mst_b_sclk_div.hw,
+	[AUD_CLKID_MST_C_SCLK_DIV]	= &mst_c_sclk_div.hw,
+	[AUD_CLKID_MST_D_SCLK_DIV]	= &mst_d_sclk_div.hw,
+	[AUD_CLKID_MST_E_SCLK_DIV]	= &mst_e_sclk_div.hw,
+	[AUD_CLKID_MST_F_SCLK_DIV]	= &mst_f_sclk_div.hw,
+	[AUD_CLKID_MST_A_SCLK_POST_EN]	= &mst_a_sclk_post_en.hw,
+	[AUD_CLKID_MST_B_SCLK_POST_EN]	= &mst_b_sclk_post_en.hw,
+	[AUD_CLKID_MST_C_SCLK_POST_EN]	= &mst_c_sclk_post_en.hw,
+	[AUD_CLKID_MST_D_SCLK_POST_EN]	= &mst_d_sclk_post_en.hw,
+	[AUD_CLKID_MST_E_SCLK_POST_EN]	= &mst_e_sclk_post_en.hw,
+	[AUD_CLKID_MST_F_SCLK_POST_EN]	= &mst_f_sclk_post_en.hw,
+	[AUD_CLKID_MST_A_SCLK]		= &mst_a_sclk.hw,
+	[AUD_CLKID_MST_B_SCLK]		= &mst_b_sclk.hw,
+	[AUD_CLKID_MST_C_SCLK]		= &mst_c_sclk.hw,
+	[AUD_CLKID_MST_D_SCLK]		= &mst_d_sclk.hw,
+	[AUD_CLKID_MST_E_SCLK]		= &mst_e_sclk.hw,
+	[AUD_CLKID_MST_F_SCLK]		= &mst_f_sclk.hw,
+	[AUD_CLKID_MST_A_LRCLK_DIV]	= &mst_a_lrclk_div.hw,
+	[AUD_CLKID_MST_B_LRCLK_DIV]	= &mst_b_lrclk_div.hw,
+	[AUD_CLKID_MST_C_LRCLK_DIV]	= &mst_c_lrclk_div.hw,
+	[AUD_CLKID_MST_D_LRCLK_DIV]	= &mst_d_lrclk_div.hw,
+	[AUD_CLKID_MST_E_LRCLK_DIV]	= &mst_e_lrclk_div.hw,
+	[AUD_CLKID_MST_F_LRCLK_DIV]	= &mst_f_lrclk_div.hw,
+	[AUD_CLKID_MST_A_LRCLK]		= &mst_a_lrclk.hw,
+	[AUD_CLKID_MST_B_LRCLK]		= &mst_b_lrclk.hw,
+	[AUD_CLKID_MST_C_LRCLK]		= &mst_c_lrclk.hw,
+	[AUD_CLKID_MST_D_LRCLK]		= &mst_d_lrclk.hw,
+	[AUD_CLKID_MST_E_LRCLK]		= &mst_e_lrclk.hw,
+	[AUD_CLKID_MST_F_LRCLK]		= &mst_f_lrclk.hw,
+	[AUD_CLKID_TDMIN_A_SCLK_SEL]	= &tdmin_a_sclk_sel.hw,
+	[AUD_CLKID_TDMIN_B_SCLK_SEL]	= &tdmin_b_sclk_sel.hw,
+	[AUD_CLKID_TDMIN_C_SCLK_SEL]	= &tdmin_c_sclk_sel.hw,
+	[AUD_CLKID_TDMIN_LB_SCLK_SEL]	= &tdmin_lb_sclk_sel.hw,
+	[AUD_CLKID_TDMOUT_A_SCLK_SEL]	= &tdmout_a_sclk_sel.hw,
+	[AUD_CLKID_TDMOUT_B_SCLK_SEL]	= &tdmout_b_sclk_sel.hw,
+	[AUD_CLKID_TDMOUT_C_SCLK_SEL]	= &tdmout_c_sclk_sel.hw,
+	[AUD_CLKID_TDMIN_A_SCLK_PRE_EN]	= &tdmin_a_sclk_pre_en.hw,
+	[AUD_CLKID_TDMIN_B_SCLK_PRE_EN]	= &tdmin_b_sclk_pre_en.hw,
+	[AUD_CLKID_TDMIN_C_SCLK_PRE_EN]	= &tdmin_c_sclk_pre_en.hw,
+	[AUD_CLKID_TDMIN_LB_SCLK_PRE_EN] = &tdmin_lb_sclk_pre_en.hw,
+	[AUD_CLKID_TDMOUT_A_SCLK_PRE_EN] = &tdmout_a_sclk_pre_en.hw,
+	[AUD_CLKID_TDMOUT_B_SCLK_PRE_EN] = &tdmout_b_sclk_pre_en.hw,
+	[AUD_CLKID_TDMOUT_C_SCLK_PRE_EN] = &tdmout_c_sclk_pre_en.hw,
+	[AUD_CLKID_TDMIN_A_SCLK_POST_EN] = &tdmin_a_sclk_post_en.hw,
+	[AUD_CLKID_TDMIN_B_SCLK_POST_EN] = &tdmin_b_sclk_post_en.hw,
+	[AUD_CLKID_TDMIN_C_SCLK_POST_EN] = &tdmin_c_sclk_post_en.hw,
+	[AUD_CLKID_TDMIN_LB_SCLK_POST_EN] = &tdmin_lb_sclk_post_en.hw,
+	[AUD_CLKID_TDMOUT_A_SCLK_POST_EN] = &tdmout_a_sclk_post_en.hw,
+	[AUD_CLKID_TDMOUT_B_SCLK_POST_EN] = &tdmout_b_sclk_post_en.hw,
+	[AUD_CLKID_TDMOUT_C_SCLK_POST_EN] = &tdmout_c_sclk_post_en.hw,
+	[AUD_CLKID_TDMIN_A_SCLK]	= &tdmin_a_sclk.hw,
+	[AUD_CLKID_TDMIN_B_SCLK]	= &tdmin_b_sclk.hw,
+	[AUD_CLKID_TDMIN_C_SCLK]	= &tdmin_c_sclk.hw,
+	[AUD_CLKID_TDMIN_LB_SCLK]	= &tdmin_lb_sclk.hw,
+	[AUD_CLKID_TDMOUT_A_SCLK]	= &g12a_tdmout_a_sclk.hw,
+	[AUD_CLKID_TDMOUT_B_SCLK]	= &g12a_tdmout_b_sclk.hw,
+	[AUD_CLKID_TDMOUT_C_SCLK]	= &g12a_tdmout_c_sclk.hw,
+	[AUD_CLKID_TDMIN_A_LRCLK]	= &tdmin_a_lrclk.hw,
+	[AUD_CLKID_TDMIN_B_LRCLK]	= &tdmin_b_lrclk.hw,
+	[AUD_CLKID_TDMIN_C_LRCLK]	= &tdmin_c_lrclk.hw,
+	[AUD_CLKID_TDMIN_LB_LRCLK]	= &tdmin_lb_lrclk.hw,
+	[AUD_CLKID_TDMOUT_A_LRCLK]	= &tdmout_a_lrclk.hw,
+	[AUD_CLKID_TDMOUT_B_LRCLK]	= &tdmout_b_lrclk.hw,
+	[AUD_CLKID_TDMOUT_C_LRCLK]	= &tdmout_c_lrclk.hw,
+	[AUD_CLKID_TOP]			= &sm1_aud_top.hw,
+	[AUD_CLKID_TORAM]		= &toram.hw,
+	[AUD_CLKID_EQDRC]		= &eqdrc.hw,
+	[AUD_CLKID_RESAMPLE_B]		= &resample_b.hw,
+	[AUD_CLKID_TOVAD]		= &tovad.hw,
+	[AUD_CLKID_LOCKER]		= &locker.hw,
+	[AUD_CLKID_SPDIFIN_LB]		= &spdifin_lb.hw,
+	[AUD_CLKID_FRDDR_D]		= &frddr_d.hw,
+	[AUD_CLKID_TODDR_D]		= &toddr_d.hw,
+	[AUD_CLKID_LOOPBACK_B]		= &loopback_b.hw,
+	[AUD_CLKID_CLK81_EN]		= &sm1_clk81_en.hw,
+	[AUD_CLKID_SYSCLK_A_DIV]	= &sm1_sysclk_a_div.hw,
+	[AUD_CLKID_SYSCLK_A_EN]		= &sm1_sysclk_a_en.hw,
+	[AUD_CLKID_SYSCLK_B_DIV]	= &sm1_sysclk_b_div.hw,
+	[AUD_CLKID_SYSCLK_B_EN]		= &sm1_sysclk_b_en.hw,
+	[AUD_CLKID_EARCRX]		= &earcrx.hw,
+	[AUD_CLKID_EARCRX_CMDC_SEL]	= &sm1_earcrx_cmdc_clk_sel.hw,
+	[AUD_CLKID_EARCRX_CMDC_DIV]	= &sm1_earcrx_cmdc_clk_div.hw,
+	[AUD_CLKID_EARCRX_CMDC]		= &sm1_earcrx_cmdc_clk.hw,
+	[AUD_CLKID_EARCRX_DMAC_SEL]	= &sm1_earcrx_dmac_clk_sel.hw,
+	[AUD_CLKID_EARCRX_DMAC_DIV]	= &sm1_earcrx_dmac_clk_div.hw,
+	[AUD_CLKID_EARCRX_DMAC]		= &sm1_earcrx_dmac_clk.hw,
+};
+
 /*
  * Array of all SM1 clocks provided by this provider
  * The input clocks of the controller will be populated at runtime
@@ -1410,6 +1563,15 @@ static const struct audioclk_data g12a_audioclk_data = {
 	.max_register = AUDIO_CLK_SPDIFOUT_B_CTRL,
 };
 
+static const struct audioclk_data s4_audioclk_data = {
+	.hw_clks = {
+		.hws = s4_audio_hw_clks,
+		.num = ARRAY_SIZE(s4_audio_hw_clks),
+	},
+	.rst_drvname = "rst-sm1",
+	.max_register = AUDIO_EARCRX_DMAC_CLK_CTRL,
+};
+
 static const struct audioclk_data sm1_audioclk_data = {
 	.hw_clks = {
 		.hws = sm1_audio_hw_clks,
@@ -1426,6 +1588,9 @@ static const struct of_device_id clkc_match_table[] = {
 	}, {
 		.compatible = "amlogic,g12a-audio-clkc",
 		.data = &g12a_audioclk_data
+	}, {
+		.compatible = "amlogic,s4-audio-clkc",
+		.data = &s4_audioclk_data
 	}, {
 		.compatible = "amlogic,sm1-audio-clkc",
 		.data = &sm1_audioclk_data

-- 
2.52.0





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