* [PATCH 05/14] i2c: rk3x: add support for rv1108
[not found] ` <1501495449-21290-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
@ 2017-07-31 10:12 ` Andy Yan
[not found] ` <1501495963-21608-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-07-31 10:13 ` [PATCH 06/14] ARM: dts: rockchip: add i2c dt node " Andy Yan
1 sibling, 1 reply; 4+ messages in thread
From: Andy Yan @ 2017-07-31 10:12 UTC (permalink / raw)
To: heiko-4mtYJXux2i+zQB+pC5nmwQ
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-i2c-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
wsa-z923LK4zBo2bacvFa/9K2g, Andy Yan
Support for the i2c controller on rv1108
Signed-off-by: Andy Yan <andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
drivers/i2c/busses/i2c-rk3x.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index df22066..fe23457 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1131,6 +1131,11 @@ static const struct i2c_algorithm rk3x_i2c_algorithm = {
.functionality = rk3x_i2c_func,
};
+static const struct rk3x_i2c_soc_data rv1108_soc_data = {
+ .grf_offset = -1,
+ .calc_timings = rk3x_i2c_v1_calc_timings,
+};
+
static const struct rk3x_i2c_soc_data rk3066_soc_data = {
.grf_offset = 0x154,
.calc_timings = rk3x_i2c_v0_calc_timings,
@@ -1158,6 +1163,10 @@ static const struct rk3x_i2c_soc_data rk3399_soc_data = {
static const struct of_device_id rk3x_i2c_match[] = {
{
+ .compatible = "rockchip,rv1108-i2c",
+ .data = (void *)&rv1108_soc_data
+ },
+ {
.compatible = "rockchip,rk3066-i2c",
.data = (void *)&rk3066_soc_data
},
--
2.7.4
--
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^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 06/14] ARM: dts: rockchip: add i2c dt node for rv1108
[not found] ` <1501495449-21290-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-07-31 10:12 ` [PATCH 05/14] i2c: rk3x: add support for rv1108 Andy Yan
@ 2017-07-31 10:13 ` Andy Yan
1 sibling, 0 replies; 4+ messages in thread
From: Andy Yan @ 2017-07-31 10:13 UTC (permalink / raw)
To: heiko-4mtYJXux2i+zQB+pC5nmwQ
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-i2c-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
wsa-z923LK4zBo2bacvFa/9K2g, Andy Yan
There are four i2c controllers on rv1108, add
device tree node for them.
Signed-off-by: Andy Yan <andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
arch/arm/boot/dts/rv1108.dtsi | 72 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 0da144c..a4d34d9 100644
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -52,6 +52,10 @@
interrupt-parent = <&gic>;
aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
@@ -154,11 +158,67 @@
status = "disabled";
};
+ i2c1: i2c@10240000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10240000 0x1000>;
+ interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C1>, <&cru PCLK_I2C1>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_xfer>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@10250000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10250000 0x1000>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C2>, <&cru PCLK_I2C2>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2m1_xfer>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@10260000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10260000 0x1000>;
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C3>, <&cru PCLK_I2C3>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_xfer>;
+ status = "disabled";
+ };
+
grf: syscon@10300000 {
compatible = "rockchip,rv1108-grf", "syscon";
reg = <0x10300000 0x1000>;
};
+ i2c0: i2c@20000000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x20000000 0x1000>;
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C0_PMU>, <&cru PCLK_I2C0_PMU>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_xfer>;
+ status = "disabled";
+ };
+
pmugrf: syscon@20060000 {
compatible = "rockchip,rv1108-pmugrf", "syscon";
reg = <0x20060000 0x1000>;
@@ -330,6 +390,18 @@
input-enable;
};
+ pcfg_pull_none_smt: pcfg-pull-none-smt {
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ i2c0 {
+ i2c0_xfer: i2c0-xfer {
+ rockchip,pins = <0 RK_PB1 RK_FUNC_1 &pcfg_pull_none_smt>,
+ <0 RK_PB2 RK_FUNC_1 &pcfg_pull_none_smt>;
+ };
+ };
+
i2c1 {
i2c1_xfer: i2c1-xfer {
rockchip,pins = <2 RK_PD3 RK_FUNC_1 &pcfg_pull_up>,
--
2.7.4
--
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^ permalink raw reply related [flat|nested] 4+ messages in thread