[U-Boot] [PATCH 09/13] rockchip: rk3288-firefly: sync sdmmc pinctrl from mainline

[Kever Yang]

The rk3288-firefly board have different setting for sdmmc
io, sync then from kernel mainline:
6fbc7275c7a9 Linux 5.2-rc7

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 arch/arm/dts/rk3288-firefly-u-boot.dtsi |  6 +-----
 arch/arm/dts/rk3288-firefly.dtsi        | 26 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/arch/arm/dts/rk3288-firefly-u-boot.dtsi b/arch/arm/dts/rk3288-firefly-u-boot.dtsi
index 2efb309d6b..8b9c38310f 100644
--- a/arch/arm/dts/rk3288-firefly-u-boot.dtsi
+++ b/arch/arm/dts/rk3288-firefly-u-boot.dtsi
@@ -29,11 +29,7 @@
 	u-boot,dm-pre-reloc;
 };
 
-&pcfg_pull_none_drv_8ma {
-	u-boot,dm-spl;
-};
-
-&pcfg_pull_up_drv_8ma {
+&pcfg_pull_up_drv_12ma {
 	u-boot,dm-spl;
 };
 
diff --git a/arch/arm/dts/rk3288-firefly.dtsi b/arch/arm/dts/rk3288-firefly.dtsi
index 2239ab9f59..b7f279f706 100644
--- a/arch/arm/dts/rk3288-firefly.dtsi
+++ b/arch/arm/dts/rk3288-firefly.dtsi
@@ -320,6 +320,11 @@
 		output-low;
 	};
 
+	pcfg_pull_up_drv_12ma: pcfg-pull-up-drv-12ma {
+		bias-pull-up;
+		drive-strength = <12>;
+	};
+
 	act8846 {
 		pwr_hold: pwr-hold {
 			rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_output_high>;
@@ -363,8 +368,27 @@
 	};
 
 	sdmmc {
+		/*
+		 * Default drive strength isn't enough to achieve even
+		 * high-speed mode on firefly board so bump up to 12ma.
+		 */
+		sdmmc_bus4: sdmmc-bus4 {
+			rockchip,pins = <6 RK_PC0 1 &pcfg_pull_up_drv_12ma>,
+					<6 RK_PC1 1 &pcfg_pull_up_drv_12ma>,
+					<6 RK_PC2 1 &pcfg_pull_up_drv_12ma>,
+					<6 RK_PC3 1 &pcfg_pull_up_drv_12ma>;
+		};
+
+		sdmmc_clk: sdmmc-clk {
+			rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_12ma>;
+		};
+
+		sdmmc_cmd: sdmmc-cmd {
+			rockchip,pins = <6 RK_PC5 1 &pcfg_pull_up_drv_12ma>;
+		};
+
 		sdmmc_pwr: sdmmc-pwr {
-			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
+			rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
 
-- 
2.17.1