linux-kernel - [PATCH v5 3/9] mips: ralink: rt288x: remove clock related code

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Date:   Mon, 19 Jun 2023 06:09:35 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     linux-clk@...r.kernel.org
Cc:     linux-mips@...r.kernel.org, tsbogend@...ha.franken.de,
        john@...ozen.org, linux-kernel@...r.kernel.org,
        p.zabel@...gutronix.de, mturquette@...libre.com, sboyd@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        matthias.bgg@...il.com, devicetree@...r.kernel.org,
        arinc.unal@...nc9.com, yangshiji66@...look.com
Subject: [PATCH v5 3/9] mips: ralink: rt288x: remove clock related code

A properly clock driver for ralink SoCs has been added. Hence there is no
need to have clock related code in 'arch/mips/ralink' folder anymore.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 arch/mips/include/asm/mach-ralink/rt288x.h | 10 -------
 arch/mips/ralink/rt288x.c                  | 31 ----------------------
 2 files changed, 41 deletions(-)

diff --git a/arch/mips/include/asm/mach-ralink/rt288x.h b/arch/mips/include/asm/mach-ralink/rt288x.h
index 66a999cd1d80..66d190358e3a 100644
--- a/arch/mips/include/asm/mach-ralink/rt288x.h
+++ b/arch/mips/include/asm/mach-ralink/rt288x.h
@@ -18,7 +18,6 @@
 #define SYSC_REG_CHIP_NAME1		0x04
 #define SYSC_REG_CHIP_ID		0x0c
 #define SYSC_REG_SYSTEM_CONFIG		0x10
-#define SYSC_REG_CLKCFG			0x30
 
 #define RT2880_CHIP_NAME0		0x38325452
 #define RT2880_CHIP_NAME1		0x20203038
@@ -27,15 +26,6 @@
 #define CHIP_ID_ID_SHIFT		8
 #define CHIP_ID_REV_MASK		0xff
 
-#define SYSTEM_CONFIG_CPUCLK_SHIFT	20
-#define SYSTEM_CONFIG_CPUCLK_MASK	0x3
-#define SYSTEM_CONFIG_CPUCLK_250	0x0
-#define SYSTEM_CONFIG_CPUCLK_266	0x1
-#define SYSTEM_CONFIG_CPUCLK_280	0x2
-#define SYSTEM_CONFIG_CPUCLK_300	0x3
-
-#define CLKCFG_SRAM_CS_N_WDT		BIT(9)
-
 #define RT2880_SDRAM_BASE		0x08000000
 #define RT2880_MEM_SIZE_MIN		2
 #define RT2880_MEM_SIZE_MAX		128
diff --git a/arch/mips/ralink/rt288x.c b/arch/mips/ralink/rt288x.c
index 456ba0b2599e..0c6a87452dd1 100644
--- a/arch/mips/ralink/rt288x.c
+++ b/arch/mips/ralink/rt288x.c
@@ -21,37 +21,6 @@
 
 static struct ralink_soc_info *soc_info_ptr;
 
-void __init ralink_clk_init(void)
-{
-	unsigned long cpu_rate, wmac_rate = 40000000;
-	u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
-	t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
-
-	switch (t) {
-	case SYSTEM_CONFIG_CPUCLK_250:
-		cpu_rate = 250000000;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_266:
-		cpu_rate = 266666667;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_280:
-		cpu_rate = 280000000;
-		break;
-	case SYSTEM_CONFIG_CPUCLK_300:
-		cpu_rate = 300000000;
-		break;
-	}
-
-	ralink_clk_add("cpu", cpu_rate);
-	ralink_clk_add("300100.timer", cpu_rate / 2);
-	ralink_clk_add("300120.watchdog", cpu_rate / 2);
-	ralink_clk_add("300500.uart", cpu_rate / 2);
-	ralink_clk_add("300900.i2c", cpu_rate / 2);
-	ralink_clk_add("300c00.uartlite", cpu_rate / 2);
-	ralink_clk_add("400000.ethernet", cpu_rate / 2);
-	ralink_clk_add("480000.wmac", wmac_rate);
-}
-
 void __init ralink_of_remap(void)
 {
 	rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
-- 
2.25.1