From 21802f22f06396189977f3e3b5a7103134352c15 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 27 May 2016 22:27:28 +0200 Subject: ipq806x: fix 3.18 support accidentially removed the files in the v4.4 commit Signed-off-by: John Crispin --- ...M-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 target/linux/ipq806x/patches-3.18/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch (limited to 'target/linux/ipq806x/patches-3.18/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch') diff --git a/target/linux/ipq806x/patches-3.18/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch b/target/linux/ipq806x/patches-3.18/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch new file mode 100644 index 0000000000..319859b109 --- /dev/null +++ b/target/linux/ipq806x/patches-3.18/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch @@ -0,0 +1,53 @@ +--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts ++++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts +@@ -46,15 +46,12 @@ + serial@16340000 { + status = "ok"; + }; +- +- i2c4: i2c@16380000 { +- status = "ok"; +- +- clock-frequency = <200000>; +- +- pinctrl-0 = <&i2c4_pins>; +- pinctrl-names = "default"; +- }; ++ /* ++ * The i2c device on gsbi4 should not be enabled. ++ * On ipq806x designs gsbi4 i2c is meant for exclusive ++ * RPM usage. Turning this on in kernel manifests as ++ * i2c failure for the RPM. ++ */ + }; + + gsbi5: gsbi@1a200000 { +--- a/drivers/clk/qcom/gcc-ipq806x.c ++++ b/drivers/clk/qcom/gcc-ipq806x.c +@@ -794,7 +794,7 @@ static struct clk_rcg gsbi7_qup_src = { + .parent_names = gcc_pxo_pll8, + .num_parents = 2, + .ops = &clk_rcg_ops, +- .flags = CLK_SET_PARENT_GATE, ++ .flags = CLK_SET_PARENT_GATE | CLK_IGNORE_UNUSED, + }, + }, + }; +@@ -810,7 +810,7 @@ static struct clk_branch gsbi7_qup_clk = + .parent_names = (const char *[]){ "gsbi7_qup_src" }, + .num_parents = 1, + .ops = &clk_branch_ops, +- .flags = CLK_SET_RATE_PARENT, ++ .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + }, + }, + }; +@@ -858,7 +858,7 @@ static struct clk_branch gsbi4_h_clk = { + .hw.init = &(struct clk_init_data){ + .name = "gsbi4_h_clk", + .ops = &clk_branch_ops, +- .flags = CLK_IS_ROOT, ++ .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, + }, + }, + }; -- cgit v1.2.3