From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file

---
 kernel/drivers/clk/clk-stm32mp1.c |   20 ++++++++++++--------
 1 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/kernel/drivers/clk/clk-stm32mp1.c b/kernel/drivers/clk/clk-stm32mp1.c
index 8d99ed0..a875649 100644
--- a/kernel/drivers/clk/clk-stm32mp1.c
+++ b/kernel/drivers/clk/clk-stm32mp1.c
@@ -870,7 +870,7 @@
 				       spinlock_t *lock)
 {
 	struct stm32_pll_obj *element;
-	struct clk_init_data init = {};
+	struct clk_init_data init;
 	struct clk_hw *hw;
 	int err;
 
@@ -1001,7 +1001,7 @@
 					 spinlock_t *lock)
 {
 	struct timer_cker *tim_ker;
-	struct clk_init_data init = {};
+	struct clk_init_data init;
 	struct clk_hw *hw;
 	int err;
 
@@ -1402,6 +1402,7 @@
 	G_CRYP1,
 	G_HASH1,
 	G_BKPSRAM,
+	G_DDRPERFM,
 
 	G_LAST
 };
@@ -1488,6 +1489,7 @@
 	K_GATE(G_STGENRO,	RCC_APB4ENSETR, 20, 0),
 	K_MGATE(G_USBPHY,	RCC_APB4ENSETR, 16, 0),
 	K_GATE(G_IWDG2,		RCC_APB4ENSETR, 15, 0),
+	K_GATE(G_DDRPERFM,	RCC_APB4ENSETR, 8, 0),
 	K_MGATE(G_DSI,		RCC_APB4ENSETR, 4, 0),
 	K_MGATE(G_LTDC,		RCC_APB4ENSETR, 0, 0),
 
@@ -1661,7 +1663,9 @@
 
 	/*  External / Internal Oscillators */
 	GATE_MP1(CK_HSE, "ck_hse", "clk-hse", 0, RCC_OCENSETR, 8, 0),
-	GATE_MP1(CK_CSI, "ck_csi", "clk-csi", 0, RCC_OCENSETR, 4, 0),
+	/* ck_csi is used by IO compensation and should be critical */
+	GATE_MP1(CK_CSI, "ck_csi", "clk-csi", CLK_IS_CRITICAL,
+		 RCC_OCENSETR, 4, 0),
 	GATE_MP1(CK_HSI, "ck_hsi", "clk-hsi-div", 0, RCC_OCENSETR, 0, 0),
 	GATE(CK_LSI, "ck_lsi", "clk-lsi", 0, RCC_RDLSICR, 0, 0),
 	GATE(CK_LSE, "ck_lse", "clk-lse", 0, RCC_BDCR, 0, 0),
@@ -1897,6 +1901,7 @@
 	PCLK(CRC1, "crc1", "ck_axi", 0, G_CRC1),
 	PCLK(USBH, "usbh", "ck_axi", 0, G_USBH),
 	PCLK(ETHSTP, "ethstp", "ck_axi", 0, G_ETHSTP),
+	PCLK(DDRPERFM, "ddrperfm", "pclk4", 0, G_DDRPERFM),
 
 	/* Kernel clocks */
 	KCLK(SDMMC1_K, "sdmmc1_k", sdmmc12_src, 0, G_SDMMC1, M_SDMMC12),
@@ -1957,11 +1962,10 @@
 		  CLK_SET_RATE_NO_REPARENT,
 		  _NO_GATE,
 		  _MMUX(M_ETHCK),
-		  _DIV(RCC_ETHCKSELR, 4, 4, CLK_DIVIDER_ALLOW_ZERO, NULL)),
+		  _DIV(RCC_ETHCKSELR, 4, 4, 0, NULL)),
 
 	/* RTC clock */
-	DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 7,
-	    CLK_DIVIDER_ALLOW_ZERO),
+	DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 6, 0),
 
 	COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE |
 		   CLK_SET_RATE_PARENT,
@@ -2017,7 +2021,7 @@
 				 void __iomem *base, spinlock_t *lock,
 				 const struct clock_config *cfg)
 {
-	static struct clk_hw **hws;
+	struct clk_hw **hws;
 	struct clk_hw *hw = ERR_PTR(-ENOENT);
 
 	hws = clk_data->hws;
@@ -2090,7 +2094,7 @@
 
 	base = of_iomap(np, 0);
 	if (!base) {
-		pr_err("%s: unable to map resource", np->name);
+		pr_err("%pOFn: unable to map resource", np);
 		of_node_put(np);
 		return;
 	}

--
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