Commit efa45bcc authored by Raghav Sharma's avatar Raghav Sharma Committed by Krzysztof Kozlowski
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clk: samsung: exynosautov920: add clock support 



Add support for CMU_MFD which provides clocks to MFD block, and
register the required compatible and cmu_info for the same.

Signed-off-by: default avatarRaghav Sharma <raghav.s@samsung.com>
Reviewed-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Link: https://patch.msgid.link/20251119114744.1914416-3-raghav.s@samsung.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
parent db1cc490

drivers/clk/samsung/clk-exynosautov920.c

+40 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#define CLKS_NR_HSI2			(CLK_DOUT_HSI2_ETHERNET_PTP + 1)

#define CLKS_NR_M2M                     (CLK_DOUT_M2M_NOCP + 1)

#define CLKS_NR_MFC                     (CLK_DOUT_MFC_NOCP + 1)

#define CLKS_NR_MFD                     (CLK_DOUT_MFD_NOCP + 1)



/* ---- CMU_TOP ------------------------------------------------------------ */
@@ -1905,6 +1906,42 @@ static const struct samsung_cmu_info mfc_cmu_info __initconst = { 
	.clk_name               = "noc",

};



/* ---- CMU_MFD --------------------------------------------------------- */



/* Register Offset definitions for CMU_MFD (0x19e00000) */

#define PLL_CON0_MUX_CLKCMU_MFD_NOC_USER        0x600

#define CLK_CON_DIV_DIV_CLK_MFD_NOCP            0x1800



static const unsigned long mfd_clk_regs[] __initconst = {

	PLL_CON0_MUX_CLKCMU_MFD_NOC_USER,

	CLK_CON_DIV_DIV_CLK_MFD_NOCP,

};



/* List of parent clocks for Muxes in CMU_MFD */

PNAME(mout_clkcmu_mfd_noc_user_p) = { "oscclk", "dout_clkcmu_mfd_noc" };



static const struct samsung_mux_clock mfd_mux_clks[] __initconst = {

	MUX(CLK_MOUT_MFD_NOC_USER, "mout_clkcmu_mfd_noc_user",

	    mout_clkcmu_mfd_noc_user_p, PLL_CON0_MUX_CLKCMU_MFD_NOC_USER, 4, 1),

};



static const struct samsung_div_clock mfd_div_clks[] __initconst = {

	DIV(CLK_DOUT_MFD_NOCP, "dout_mfd_nocp",

	    "mout_clkcmu_mfd_noc_user", CLK_CON_DIV_DIV_CLK_MFD_NOCP,

	    0, 3),

};



static const struct samsung_cmu_info mfd_cmu_info __initconst = {

	.mux_clks               = mfd_mux_clks,

	.nr_mux_clks            = ARRAY_SIZE(mfd_mux_clks),

	.div_clks               = mfd_div_clks,

	.nr_div_clks            = ARRAY_SIZE(mfd_div_clks),

	.nr_clk_ids             = CLKS_NR_MFD,

	.clk_regs               = mfd_clk_regs,

	.nr_clk_regs            = ARRAY_SIZE(mfd_clk_regs),

	.clk_name               = "noc",

};



static int __init exynosautov920_cmu_probe(struct platform_device *pdev)

{

	const struct samsung_cmu_info *info;
@@ -1941,6 +1978,9 @@ static const struct of_device_id exynosautov920_cmu_of_match[] = { 
	}, {

		.compatible = "samsung,exynosautov920-cmu-mfc",

		.data = &mfc_cmu_info,

	}, {

		.compatible = "samsung,exynosautov920-cmu-mfd",

		.data = &mfd_cmu_info,

	},

	{ }

};