linux-kernel - [PATCH v5 2/5] clk: samsung: exynos990: Fix CMU

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Message-Id: <20250830-fix-cmu-top-v5-2-7c62f608309e@gmail.com>
Date: Sat, 30 Aug 2025 16:28:39 +0000
From: Denzeel Oliva <wachiturroxd150@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Denzeel Oliva <wachiturroxd150@...il.com>
Subject: [PATCH v5 2/5] clk: samsung: exynos990: Fix CMU_TOP mux/div bit
 widths

Correct several mux/div widths (DSP_BUS, G2D_MSCL, HSI0 USBDP_DEBUG,
HSI1 UFS_EMBD, APM_BUS, CPUCL0_DBG_BUS, DPU) to match hardware.

Fixes: bdd03ebf721f ("clk: samsung: Introduce Exynos990 clock controller driver")
Signed-off-by: Denzeel Oliva <wachiturroxd150@...il.com>
---
 drivers/clk/samsung/clk-exynos990.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c
index 12e98bf5005ae2dc32da0da684a15133d64ed305..385f1d9726675b37a901e1bb6172dc839afbb209 100644
--- a/drivers/clk/samsung/clk-exynos990.c
+++ b/drivers/clk/samsung/clk-exynos990.c
@@ -766,11 +766,11 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
 	MUX(CLK_MOUT_CMU_DPU_ALT, "mout_cmu_dpu_alt",
 	    mout_cmu_dpu_alt_p, CLK_CON_MUX_MUX_CLKCMU_DPU_ALT, 0, 2),
 	MUX(CLK_MOUT_CMU_DSP_BUS, "mout_cmu_dsp_bus",
-	    mout_cmu_dsp_bus_p, CLK_CON_MUX_MUX_CLKCMU_DSP_BUS, 0, 2),
+	    mout_cmu_dsp_bus_p, CLK_CON_MUX_MUX_CLKCMU_DSP_BUS, 0, 3),
 	MUX(CLK_MOUT_CMU_G2D_G2D, "mout_cmu_g2d_g2d",
 	    mout_cmu_g2d_g2d_p, CLK_CON_MUX_MUX_CLKCMU_G2D_G2D, 0, 2),
 	MUX(CLK_MOUT_CMU_G2D_MSCL, "mout_cmu_g2d_mscl",
-	    mout_cmu_g2d_mscl_p, CLK_CON_MUX_MUX_CLKCMU_G2D_MSCL, 0, 1),
+	    mout_cmu_g2d_mscl_p, CLK_CON_MUX_MUX_CLKCMU_G2D_MSCL, 0, 2),
 	MUX(CLK_MOUT_CMU_HPM, "mout_cmu_hpm",
 	    mout_cmu_hpm_p, CLK_CON_MUX_MUX_CLKCMU_HPM, 0, 2),
 	MUX(CLK_MOUT_CMU_HSI0_BUS, "mout_cmu_hsi0_bus",
@@ -782,7 +782,7 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
 	    0, 2),
 	MUX(CLK_MOUT_CMU_HSI0_USBDP_DEBUG, "mout_cmu_hsi0_usbdp_debug",
 	    mout_cmu_hsi0_usbdp_debug_p,
-	    CLK_CON_MUX_MUX_CLKCMU_HSI0_USBDP_DEBUG, 0, 2),
+	    CLK_CON_MUX_MUX_CLKCMU_HSI0_USBDP_DEBUG, 0, 1),
 	MUX(CLK_MOUT_CMU_HSI1_BUS, "mout_cmu_hsi1_bus",
 	    mout_cmu_hsi1_bus_p, CLK_CON_MUX_MUX_CLKCMU_HSI1_BUS, 0, 3),
 	MUX(CLK_MOUT_CMU_HSI1_MMC_CARD, "mout_cmu_hsi1_mmc_card",
@@ -795,7 +795,7 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
 	    0, 2),
 	MUX(CLK_MOUT_CMU_HSI1_UFS_EMBD, "mout_cmu_hsi1_ufs_embd",
 	    mout_cmu_hsi1_ufs_embd_p, CLK_CON_MUX_MUX_CLKCMU_HSI1_UFS_EMBD,
-	    0, 1),
+	    0, 2),
 	MUX(CLK_MOUT_CMU_HSI2_BUS, "mout_cmu_hsi2_bus",
 	    mout_cmu_hsi2_bus_p, CLK_CON_MUX_MUX_CLKCMU_HSI2_BUS, 0, 1),
 	MUX(CLK_MOUT_CMU_HSI2_PCIE, "mout_cmu_hsi2_pcie",
@@ -869,7 +869,7 @@ static const struct samsung_div_clock top_div_clks[] __initconst = {
 	    CLK_CON_DIV_PLL_SHARED4_DIV4, 0, 1),
 
 	DIV(CLK_DOUT_CMU_APM_BUS, "dout_cmu_apm_bus", "gout_cmu_apm_bus",
-	    CLK_CON_DIV_CLKCMU_APM_BUS, 0, 3),
+	    CLK_CON_DIV_CLKCMU_APM_BUS, 0, 2),
 	DIV(CLK_DOUT_CMU_AUD_CPU, "dout_cmu_aud_cpu", "gout_cmu_aud_cpu",
 	    CLK_CON_DIV_CLKCMU_AUD_CPU, 0, 3),
 	DIV(CLK_DOUT_CMU_BUS0_BUS, "dout_cmu_bus0_bus", "gout_cmu_bus0_bus",
@@ -894,9 +894,9 @@ static const struct samsung_div_clock top_div_clks[] __initconst = {
 	    CLK_CON_DIV_CLKCMU_CMU_BOOST, 0, 2),
 	DIV(CLK_DOUT_CMU_CORE_BUS, "dout_cmu_core_bus", "gout_cmu_core_bus",
 	    CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 4),
-	DIV(CLK_DOUT_CMU_CPUCL0_DBG_BUS, "dout_cmu_cpucl0_debug",
+	DIV(CLK_DOUT_CMU_CPUCL0_DBG_BUS, "dout_cmu_cpucl0_dbg_bus",
 	    "gout_cmu_cpucl0_dbg_bus", CLK_CON_DIV_CLKCMU_CPUCL0_DBG_BUS,
-	    0, 3),
+	    0, 4),
 	DIV(CLK_DOUT_CMU_CPUCL0_SWITCH, "dout_cmu_cpucl0_switch",
 	    "gout_cmu_cpucl0_switch", CLK_CON_DIV_CLKCMU_CPUCL0_SWITCH, 0, 3),
 	DIV(CLK_DOUT_CMU_CPUCL1_SWITCH, "dout_cmu_cpucl1_switch",
@@ -986,8 +986,8 @@ static const struct samsung_div_clock top_div_clks[] __initconst = {
 	    CLK_CON_DIV_CLKCMU_TNR_BUS, 0, 4),
 	DIV(CLK_DOUT_CMU_VRA_BUS, "dout_cmu_vra_bus", "gout_cmu_vra_bus",
 	    CLK_CON_DIV_CLKCMU_VRA_BUS, 0, 4),
-	DIV(CLK_DOUT_CMU_DPU, "dout_cmu_clkcmu_dpu", "gout_cmu_dpu",
-	    CLK_CON_DIV_DIV_CLKCMU_DPU, 0, 4),
+	DIV(CLK_DOUT_CMU_DPU, "dout_cmu_dpu", "gout_cmu_dpu",
+	    CLK_CON_DIV_DIV_CLKCMU_DPU, 0, 3),
 };
 
 static const struct samsung_gate_clock top_gate_clks[] __initconst = {

-- 
2.50.1