clk: imx93: Add PDM IPG clk

The IPG clk and MCLK of PDM share the same control gate.

Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230628061724.2056520-2-ping.bai@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>

Author: Chancel Liu

drivers/clk/imx/clk-imx93.c

@@ -32,6 +32,7 @@ static u32 share_count_sai1;
 static u32 share_count_sai2;
 static u32 share_count_sai3;
 static u32 share_count_mub;
+static u32 share_count_pdm;
 
 static const char * const a55_core_sels[] = {"a55_alt", "arm_pll"};
 static const char *parent_names[MAX_SEL][4] = {
@@ -236,7 +237,8 @@ static const struct imx93_clk_ccgr {
 	{ IMX93_CLK_USB_CONTROLLER_GATE, "usb_controller", "hsio_root",		0x9a00, },
 	{ IMX93_CLK_USB_TEST_60M_GATE,	"usb_test_60m",	"hsio_usb_test_60m_root", 0x9a40, },
 	{ IMX93_CLK_HSIO_TROUT_24M_GATE, "hsio_trout_24m", "osc_24m",		0x9a80, },
-	{ IMX93_CLK_PDM_GATE,		"pdm",		"pdm_root",		0x9ac0, },
+	{ IMX93_CLK_PDM_GATE,		"pdm",		"pdm_root",		0x9ac0, 0, &share_count_pdm},
+	{ IMX93_CLK_PDM_IPG,		"pdm_ipg_clk",	"bus_aon_root",		0x9ac0, 0, &share_count_pdm},
 	{ IMX93_CLK_MQS1_GATE,		"mqs1",		"sai1_root",		0x9b00, },
 	{ IMX93_CLK_MQS2_GATE,		"mqs2",		"sai3_root",		0x9b40, },
 	{ IMX93_CLK_AUD_XCVR_GATE,	"aud_xcvr",	"audio_xcvr_root",	0x9b80, },