linux-kernel - [PATCH 7/8] ARM: dts: rockchip: Add drive/sample clocks for rk3288 dw

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Date:	Mon, 31 Aug 2015 20:24:05 +0200
From:	Heiko Stuebner <heiko@...ech.de>
To:	ulf.hansson@...aro.org, mturquette@...libre.com,
	sboyd@...eaurora.org, tgih.jun@...sung.com, jh80.chung@...sung.com
Cc:	linux-mmc@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Alexandru M Stan <amstan@...omium.org>,
	Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 7/8] ARM: dts: rockchip: Add drive/sample clocks for rk3288 dw_mmc devices

From: Alexandru M Stan <amstan@...omium.org>

The drive/sample clocks can be phase shifted.  The drive clock
could be used in a future patch to adjust hold times.  The sample
clock is used for tuning.

Signed-off-by: Alexandru M Stan <amstan@...omium.org>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 arch/arm/boot/dts/rk3288.dtsi | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 118fe74..b084bc6 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -222,8 +222,9 @@
 	sdmmc: dwmmc@...c0000 {
 		compatible = "rockchip,rk3288-dw-mshc";
 		clock-freq-min-max = <400000 150000000>;
-		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>;
-		clock-names = "biu", "ciu";
+		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
+			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
 		fifo-depth = <0x100>;
 		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0xff0c0000 0x4000>;
@@ -233,8 +234,9 @@
 	sdio0: dwmmc@...d0000 {
 		compatible = "rockchip,rk3288-dw-mshc";
 		clock-freq-min-max = <400000 150000000>;
-		clocks = <&cru HCLK_SDIO0>, <&cru SCLK_SDIO0>;
-		clock-names = "biu", "ciu";
+		clocks = <&cru HCLK_SDIO0>, <&cru SCLK_SDIO0>,
+			 <&cru SCLK_SDIO0_DRV>, <&cru SCLK_SDIO0_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
 		fifo-depth = <0x100>;
 		interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0xff0d0000 0x4000>;
@@ -244,8 +246,9 @@
 	sdio1: dwmmc@...e0000 {
 		compatible = "rockchip,rk3288-dw-mshc";
 		clock-freq-min-max = <400000 150000000>;
-		clocks = <&cru HCLK_SDIO1>, <&cru SCLK_SDIO1>;
-		clock-names = "biu", "ciu";
+		clocks = <&cru HCLK_SDIO1>, <&cru SCLK_SDIO1>,
+			 <&cru SCLK_SDIO1_DRV>, <&cru SCLK_SDIO1_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
 		fifo-depth = <0x100>;
 		interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0xff0e0000 0x4000>;
@@ -255,8 +258,9 @@
 	emmc: dwmmc@...f0000 {
 		compatible = "rockchip,rk3288-dw-mshc";
 		clock-freq-min-max = <400000 150000000>;
-		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>;
-		clock-names = "biu", "ciu";
+		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
+			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
 		fifo-depth = <0x100>;
 		interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
 		reg = <0xff0f0000 0x4000>;
-- 
2.1.4

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