linux-kernel - [PATCH RFC v3 6/7] riscv: dts: thead: change TH1520 mmc nodes to use clock controller

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Message-Id: <20240506-th1520-clk-v3-6-085a18a23a7f@tenstorrent.com>
Date: Mon, 06 May 2024 21:55:19 -0700
From: Drew Fustini <dfustini@...storrent.com>
To: Jisheng Zhang <jszhang@...nel.org>, Guo Ren <guoren@...nel.org>, 
 Fu Wei <wefu@...hat.com>, Yangtao Li <frank.li@...o.com>, 
 Thomas Bonnefille <thomas.bonnefille@...tlin.com>, 
 Emil Renner Berthing <emil.renner.berthing@...onical.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Cc: linux-riscv@...ts.infradead.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Drew Fustini <dfustini@...storrent.com>
Subject: [PATCH RFC v3 6/7] riscv: dts: thead: change TH1520 mmc nodes to
 use clock controller

Change the clock property in the TH1520 mmc controller nodes to a clock
provided by AP_SYS clock controller.

Remove sdhci fixed clock reference from BeagleV Ahead and LPI4a dts.

Signed-off-by: Drew Fustini <dfustini@...storrent.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts     |  4 ----
 arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi |  4 ----
 arch/riscv/boot/dts/thead/th1520.dtsi                  | 13 +++----------
 3 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 164afd18b56c..55f1ed0cb433 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -48,10 +48,6 @@ &apb_clk {
 	clock-frequency = <62500000>;
 };
 
-&sdhci_clk {
-	clock-frequency = <198000000>;
-};
-
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
index 1b7ede570994..762eceb415f8 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
@@ -29,10 +29,6 @@ &apb_clk {
 	clock-frequency = <62500000>;
 };
 
-&sdhci_clk {
-	clock-frequency = <198000000>;
-};
-
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 963c786f3c53..cf2141c3976f 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -141,13 +141,6 @@ apb_clk: apb-clk-clock {
 		#clock-cells = <0>;
 	};
 
-	sdhci_clk: sdhci-clock {
-		compatible = "fixed-clock";
-		clock-frequency = <198000000>;
-		clock-output-names = "sdhci_clk";
-		#clock-cells = <0>;
-	};
-
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -201,7 +194,7 @@ emmc: mmc@...7080000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe7080000 0x0 0x10000>;
 			interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};
@@ -210,7 +203,7 @@ sdio0: mmc@...7090000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe7090000 0x0 0x10000>;
 			interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};
@@ -219,7 +212,7 @@ sdio1: mmc@...70a0000 {
 			compatible = "thead,th1520-dwcmshc";
 			reg = <0xff 0xe70a0000 0x0 0x10000>;
 			interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sdhci_clk>;
+			clocks = <&clk CLK_EMMC_SDIO>;
 			clock-names = "core";
 			status = "disabled";
 		};

-- 
2.34.1