linux-kernel - [PATCH 3/7] clk: samsung: exynos850: Add PDMA clocks

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Date: Fri, 19 Jan 2024 19:29:44 -0600
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Andi Shyti <andi.shyti@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Alim Akhtar <alim.akhtar@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	linux-spi@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-clk@...r.kernel.org
Subject: [PATCH 3/7] clk: samsung: exynos850: Add PDMA clocks

Add Peripheral DMA (PDMA) clocks in CMU_CORE controller:
  - PDMA_ACLK: clock for PDMA0 (regular DMA)
  - SPDMA_ACLK: clock for PDMA1 (secure DMA)

Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
 drivers/clk/samsung/clk-exynos850.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c
index bdc1eef7d6e5..01913dc4eb27 100644
--- a/drivers/clk/samsung/clk-exynos850.c
+++ b/drivers/clk/samsung/clk-exynos850.c
@@ -26,7 +26,7 @@
 #define CLKS_NR_IS			(CLK_GOUT_IS_SYSREG_PCLK + 1)
 #define CLKS_NR_MFCMSCL			(CLK_GOUT_MFCMSCL_SYSREG_PCLK + 1)
 #define CLKS_NR_PERI			(CLK_GOUT_WDT1_PCLK + 1)
-#define CLKS_NR_CORE			(CLK_GOUT_SYSREG_CORE_PCLK + 1)
+#define CLKS_NR_CORE			(CLK_GOUT_SPDMA_CORE_ACLK + 1)
 #define CLKS_NR_DPU			(CLK_GOUT_DPU_SYSREG_PCLK + 1)
 
 /* ---- CMU_TOP ------------------------------------------------------------- */
@@ -1667,6 +1667,8 @@ CLK_OF_DECLARE(exynos850_cmu_peri, "samsung,exynos850-cmu-peri",
 #define CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK	0x2044
 #define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK	0x20e8
 #define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN	0x20ec
+#define CLK_CON_GAT_GOUT_CORE_PDMA_ACLK		0x20f0
+#define CLK_CON_GAT_GOUT_CORE_SPDMA_ACLK	0x2124
 #define CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK	0x2128
 #define CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK	0x212c
 #define CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK	0x2130
@@ -1683,6 +1685,8 @@ static const unsigned long core_clk_regs[] __initconst = {
 	CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK,
 	CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK,
 	CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN,
+	CLK_CON_GAT_GOUT_CORE_PDMA_ACLK,
+	CLK_CON_GAT_GOUT_CORE_SPDMA_ACLK,
 	CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK,
 	CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK,
 	CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK,
@@ -1726,6 +1730,10 @@ static const struct samsung_gate_clock core_gate_clks[] __initconst = {
 	GATE(CLK_GOUT_MMC_EMBD_SDCLKIN, "gout_mmc_embd_sdclkin",
 	     "mout_core_mmc_embd_user", CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN,
 	     21, CLK_SET_RATE_PARENT, 0),
+	GATE(CLK_GOUT_PDMA_CORE_ACLK, "gout_pdma_core_aclk",
+	     "mout_core_bus_user", CLK_CON_GAT_GOUT_CORE_PDMA_ACLK, 21, 0, 0),
+	GATE(CLK_GOUT_SPDMA_CORE_ACLK, "gout_spdma_core_aclk",
+	     "mout_core_bus_user", CLK_CON_GAT_GOUT_CORE_SPDMA_ACLK, 21, 0, 0),
 	GATE(CLK_GOUT_SSS_ACLK, "gout_sss_aclk", "mout_core_sss_user",
 	     CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK, 21, 0, 0),
 	GATE(CLK_GOUT_SSS_PCLK, "gout_sss_pclk", "dout_core_busp",
-- 
2.39.2