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Message-Id: <20250830-fix-cmu-top-v5-5-7c62f608309e@gmail.com>
Date: Sat, 30 Aug 2025 16:28:42 +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 5/5] clk: samsung: exynos990: Add DPU_BUS and CMUREF
mux/div and update CLKS_NR_TOP
Add DPU_BUS and CMUREF mux/div, wire their registers and parents,
and update CLKS_NR_TOP. These use the new IDs appended to the
bindings to avoid ABI changes.
Signed-off-by: Denzeel Oliva <wachiturroxd150@...il.com>
---
drivers/clk/samsung/clk-exynos990.c | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c
index 8571c225d09074cfd1c299879c1e6b4a7322520a..91736b15c4b4a0759419517f7b04dd0a8f38a289 100644
--- a/drivers/clk/samsung/clk-exynos990.c
+++ b/drivers/clk/samsung/clk-exynos990.c
@@ -17,7 +17,7 @@
#include "clk-pll.h"
/* NOTE: Must be equal to the last clock ID increased by one */
-#define CLKS_NR_TOP (CLK_GOUT_CMU_VRA_BUS + 1)
+#define CLKS_NR_TOP (CLK_DOUT_CMU_CLK_CMUREF + 1)
#define CLKS_NR_HSI0 (CLK_GOUT_HSI0_XIU_D_HSI0_ACLK + 1)
#define CLKS_NR_PERIS (CLK_GOUT_PERIS_OTP_CON_TOP_OSCCLK + 1)
@@ -45,6 +45,7 @@
#define PLL_CON3_PLL_SHARED3 0x024c
#define PLL_CON0_PLL_SHARED4 0x0280
#define PLL_CON3_PLL_SHARED4 0x028c
+#define CLK_CON_MUX_CLKCMU_DPU_BUS 0x1000
#define CLK_CON_MUX_MUX_CLKCMU_APM_BUS 0x1004
#define CLK_CON_MUX_MUX_CLKCMU_AUD_CPU 0x1008
#define CLK_CON_MUX_MUX_CLKCMU_BUS0_BUS 0x100c
@@ -103,6 +104,8 @@
#define CLK_CON_MUX_MUX_CLKCMU_SSP_BUS 0x10e0
#define CLK_CON_MUX_MUX_CLKCMU_TNR_BUS 0x10e4
#define CLK_CON_MUX_MUX_CLKCMU_VRA_BUS 0x10e8
+#define CLK_CON_MUX_MUX_CLK_CMU_CMUREF 0x10f0
+#define CLK_CON_MUX_MUX_CMU_CMUREF 0x10f4
#define CLK_CON_DIV_CLKCMU_APM_BUS 0x1800
#define CLK_CON_DIV_CLKCMU_AUD_CPU 0x1804
#define CLK_CON_DIV_CLKCMU_BUS0_BUS 0x1808
@@ -162,6 +165,7 @@
#define CLK_CON_DIV_CLKCMU_VRA_BUS 0x18e0
#define CLK_CON_DIV_DIV_CLKCMU_DPU 0x18e8
#define CLK_CON_DIV_DIV_CLKCMU_DPU_ALT 0x18ec
+#define CLK_CON_DIV_DIV_CLK_CMU_CMUREF 0x18f0
#define CLK_CON_DIV_PLL_SHARED0_DIV2 0x18f4
#define CLK_CON_DIV_PLL_SHARED0_DIV3 0x18f8
#define CLK_CON_DIV_PLL_SHARED0_DIV4 0x18fc
@@ -253,6 +257,7 @@ static const unsigned long top_clk_regs[] __initconst = {
PLL_CON3_PLL_SHARED3,
PLL_CON0_PLL_SHARED4,
PLL_CON3_PLL_SHARED4,
+ CLK_CON_MUX_CLKCMU_DPU_BUS,
CLK_CON_MUX_MUX_CLKCMU_APM_BUS,
CLK_CON_MUX_MUX_CLKCMU_AUD_CPU,
CLK_CON_MUX_MUX_CLKCMU_BUS0_BUS,
@@ -311,6 +316,8 @@ static const unsigned long top_clk_regs[] __initconst = {
CLK_CON_MUX_MUX_CLKCMU_SSP_BUS,
CLK_CON_MUX_MUX_CLKCMU_TNR_BUS,
CLK_CON_MUX_MUX_CLKCMU_VRA_BUS,
+ CLK_CON_MUX_MUX_CLK_CMU_CMUREF,
+ CLK_CON_MUX_MUX_CMU_CMUREF,
CLK_CON_DIV_CLKCMU_APM_BUS,
CLK_CON_DIV_CLKCMU_AUD_CPU,
CLK_CON_DIV_CLKCMU_BUS0_BUS,
@@ -370,6 +377,7 @@ static const unsigned long top_clk_regs[] __initconst = {
CLK_CON_DIV_CLKCMU_VRA_BUS,
CLK_CON_DIV_DIV_CLKCMU_DPU,
CLK_CON_DIV_DIV_CLKCMU_DPU_ALT,
+ CLK_CON_DIV_DIV_CLK_CMU_CMUREF,
CLK_CON_DIV_PLL_SHARED0_DIV2,
CLK_CON_DIV_PLL_SHARED0_DIV3,
CLK_CON_DIV_PLL_SHARED0_DIV4,
@@ -465,6 +473,8 @@ PNAME(mout_pll_shared3_p) = { "oscclk", "fout_shared3_pll" };
PNAME(mout_pll_shared4_p) = { "oscclk", "fout_shared4_pll" };
PNAME(mout_pll_mmc_p) = { "oscclk", "fout_mmc_pll" };
PNAME(mout_pll_g3d_p) = { "oscclk", "fout_g3d_pll" };
+PNAME(mout_cmu_dpu_bus_p) = { "dout_cmu_dpu",
+ "dout_cmu_dpu_alt" };
PNAME(mout_cmu_apm_bus_p) = { "dout_cmu_shared0_div2",
"dout_cmu_shared2_div2" };
PNAME(mout_cmu_aud_cpu_p) = { "dout_cmu_shared0_div2",
@@ -679,6 +689,12 @@ PNAME(mout_cmu_vra_bus_p) = { "dout_cmu_shared0_div3",
"dout_cmu_shared4_div2",
"dout_cmu_shared0_div4",
"dout_cmu_shared4_div3" };
+PNAME(mout_cmu_cmuref_p) = { "oscclk",
+ "dout_cmu_clk_cmuref" };
+PNAME(mout_cmu_clk_cmuref_p) = { "dout_cmu_shared0_div4",
+ "dout_cmu_shared1_div4",
+ "dout_cmu_shared2_div2",
+ "oscclk" };
/*
* Register name to clock name mangling strategy used in this file
@@ -709,6 +725,8 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
PLL_CON0_PLL_MMC, 4, 1),
MUX(CLK_MOUT_PLL_G3D, "mout_pll_g3d", mout_pll_g3d_p,
PLL_CON0_PLL_G3D, 4, 1),
+ MUX(CLK_MOUT_CMU_DPU_BUS, "mout_cmu_dpu_bus",
+ mout_cmu_dpu_bus_p, CLK_CON_MUX_CLKCMU_DPU_BUS, 0, 1),
MUX(CLK_MOUT_CMU_APM_BUS, "mout_cmu_apm_bus",
mout_cmu_apm_bus_p, CLK_CON_MUX_MUX_CLKCMU_APM_BUS, 0, 1),
MUX(CLK_MOUT_CMU_AUD_CPU, "mout_cmu_aud_cpu",
@@ -837,6 +855,10 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = {
mout_cmu_tnr_bus_p, CLK_CON_MUX_MUX_CLKCMU_TNR_BUS, 0, 3),
MUX(CLK_MOUT_CMU_VRA_BUS, "mout_cmu_vra_bus",
mout_cmu_vra_bus_p, CLK_CON_MUX_MUX_CLKCMU_VRA_BUS, 0, 2),
+ MUX(CLK_MOUT_CMU_CMUREF, "mout_cmu_cmuref",
+ mout_cmu_cmuref_p, CLK_CON_MUX_MUX_CMU_CMUREF, 0, 1),
+ MUX(CLK_MOUT_CMU_CLK_CMUREF, "mout_cmu_clk_cmuref",
+ mout_cmu_clk_cmuref_p, CLK_CON_MUX_MUX_CLK_CMU_CMUREF, 0, 2),
};
static const struct samsung_div_clock top_div_clks[] __initconst = {
@@ -981,6 +1003,10 @@ static const struct samsung_div_clock top_div_clks[] __initconst = {
CLK_CON_DIV_CLKCMU_VRA_BUS, 0, 4),
DIV(CLK_DOUT_CMU_DPU, "dout_cmu_dpu", "gout_cmu_dpu",
CLK_CON_DIV_DIV_CLKCMU_DPU, 0, 3),
+ DIV(CLK_DOUT_CMU_DPU_ALT, "dout_cmu_dpu_alt", "gout_cmu_dpu_bus",
+ CLK_CON_DIV_DIV_CLKCMU_DPU_ALT, 0, 4),
+ DIV(CLK_DOUT_CMU_CLK_CMUREF, "dout_cmu_clk_cmuref", "mout_cmu_clk_cmuref",
+ CLK_CON_DIV_DIV_CLK_CMU_CMUREF, 0, 2),
};
static const struct samsung_fixed_factor_clock cmu_top_ffactor[] __initconst = {
--
2.50.1
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