From: Jian Hu <jian.hu@amlogic.com>
Date: Wed, 14 Mar 2018 09:43:16 +0000 (+0800)
Subject: i2c: fix writing  w_token reg error
X-Git-Tag: khadas-vims-v0.9.6-release~2321
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5834d97d14426c6459481f1587dfba9f546c9d6;p=platform%2Fkernel%2Flinux-amlogic.git

i2c: fix writing  w_token reg error

PD#161535: i2c: fix writing w_token reg error

1.fix writing  w_token reg error
2.set default clock frequency 100khz
3.config i2c1 pinmux and change clock frequency to 300k

Change-Id: I9b3fe3ed404255e3897d7353c57770a6019e6f9b
Signed-off-by: Jian Hu <jian.hu@amlogic.com>
---

diff --git a/arch/arm64/boot/dts/amlogic/mesontxlx.dtsi b/arch/arm64/boot/dts/amlogic/mesontxlx.dtsi
index 3328300..45077bc 100644
--- a/arch/arm64/boot/dts/amlogic/mesontxlx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesontxlx.dtsi
@@ -567,6 +567,7 @@
 				#size-cells = <0>;
 				clocks = <&clkc CLKID_I2C>;
 				clock-names = "clk_i2c";
+				clock-frequency = <100000>;
 			};
 
 			i2c1: i2c@1e000 {
@@ -579,6 +580,7 @@
 				#size-cells = <0>;
 				clocks = <&clkc CLKID_I2C>;
 				clock-names = "clk_i2c";
+				clock-frequency = <100000>;
 			};
 
 			i2c2: i2c@1d000 {
@@ -591,6 +593,7 @@
 				#size-cells = <0>;
 				clocks = <&clkc CLKID_I2C>;
 				clock-names = "clk_i2c";
+				clock-frequency = <100000>;
 			};
 
 			i2c3: i2c@1c000 {
@@ -603,6 +606,7 @@
 				#size-cells = <0>;
 				clocks = <&clkc CLKID_I2C>;
 				clock-names = "clk_i2c";
+				clock-frequency = <100000>;
 			};
 
 			pwm_ab: pwm@1b000 {
@@ -738,6 +742,7 @@
 				#size-cells = <0>;
 				clocks = <&clkc CLKID_I2C>;
 				clock-names = "clk_i2c";
+				clock-frequency = <100000>;
 			};
 
 			aoclkc: clock-controller@0 {
@@ -1107,7 +1112,7 @@
 	i2c1_dv_pins:i2c1_z {
 		mux {
 			groups = "i2c1_sda",
-				"i2c2_sck";
+				"i2c1_sck";
 			function = "i2c1";
 		};
 	};
diff --git a/arch/arm64/boot/dts/amlogic/txlx_t962e_r321.dts b/arch/arm64/boot/dts/amlogic/txlx_t962e_r321.dts
index 1dd426a..2e9ef1a 100644
--- a/arch/arm64/boot/dts/amlogic/txlx_t962e_r321.dts
+++ b/arch/arm64/boot/dts/amlogic/txlx_t962e_r321.dts
@@ -1375,6 +1375,13 @@
 	};
 };
 
+&i2c1 {
+	status = "okay";
+	clock-frequency = <300000>;
+	pinctrl-names="default";
+	pinctrl-0=<&i2c1_dv_pins>;
+};
+
 &pinctrl_periphs {
 	/*i2s*/
 	aml_audio_i2s: aml_audio_i2s {
diff --git a/drivers/amlogic/i2c/i2c-meson-master.c b/drivers/amlogic/i2c/i2c-meson-master.c
index ae4ba75..ed651db 100644
--- a/drivers/amlogic/i2c/i2c-meson-master.c
+++ b/drivers/amlogic/i2c/i2c-meson-master.c
@@ -273,7 +273,7 @@ static void meson_i2c_put_data(struct meson_i2c *i2c, char *buf, int len)
 		wdata1 |= *buf++ << ((i - 4) * 8);
 
 	writel(wdata0, i2c->regs + REG_TOK_WDATA0);
-	writel(wdata0, i2c->regs + REG_TOK_WDATA1);
+	writel(wdata1, i2c->regs + REG_TOK_WDATA1);
 
 	dev_dbg(i2c->dev, "%s: data %08x %08x len %d\n", __func__,
 		wdata0, wdata1, len);