linux-kernel - [PATCH] clk: ingenic-tcu: Fix missing TCU clock for X1000 SoC

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Date:   Wed,  9 Feb 2022 23:01:47 +0000
From:   Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To:     paul@...pouillou.net, robh+dt@...nel.org, mturquette@...libre.com,
        sboyd@...nel.org
Cc:     linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk: ingenic-tcu: Fix missing TCU clock for X1000 SoC

The X1000 does have a TCU clock gate, so pass it to the driver.
Without this the TCU can be gated automatically, which prevents
timers from running and stops register writes from taking effect.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
---
 arch/mips/boot/dts/ingenic/x1000.dtsi | 5 +++--
 drivers/clk/ingenic/tcu.c             | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
index 8bd27edef216..c69df8eb158e 100644
--- a/arch/mips/boot/dts/ingenic/x1000.dtsi
+++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
@@ -111,8 +111,9 @@ tcu: timer@...02000 {
 
 		clocks = <&cgu X1000_CLK_RTCLK>,
 			 <&cgu X1000_CLK_EXCLK>,
-			 <&cgu X1000_CLK_PCLK>;
-		clock-names = "rtc", "ext", "pclk";
+			 <&cgu X1000_CLK_PCLK>,
+			 <&cgu X1000_CLK_TCU>;
+		clock-names = "rtc", "ext", "pclk", "tcu";
 
 		interrupt-controller;
 		#interrupt-cells = <1>;
diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c
index 77acfbeb4830..9c86043f673a 100644
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -320,7 +320,7 @@ static const struct ingenic_soc_info jz4770_soc_info = {
 static const struct ingenic_soc_info x1000_soc_info = {
 	.num_channels = 8,
 	.has_ost = false, /* X1000 has OST, but it not belong TCU */
-	.has_tcu_clk = false,
+	.has_tcu_clk = true,
 };
 
 static const struct of_device_id __maybe_unused ingenic_tcu_of_match[] __initconst = {
-- 
2.34.1