ARM: dts: STiH407-family: Provide interconnect clock for consumption in ST SDHCI

The STiH4{07,10} platform contains some interconnect clocks which are used
by various IPs.  If these clocks aren't handled correctly by ST's SDHCI
driver MMC will break and the following output can be observed:

[   13.916949] mmc0: Timeout waiting for hardware interrupt.
[   13.922349] sdhci: =========== REGISTER DUMP (mmc0)===========
[   13.928175] sdhci: Sys addr: 0x00000000 | Version:  0x00001002
[   13.933999] sdhci: Blk size: 0x00007040 | Blk cnt:  0x00000001
[   13.939825] sdhci: Argument: 0x00fffff0 | Trn mode: 0x00000013
[   13.945650] sdhci: Present:  0x1fff0206 | Host ctl: 0x00000011
[   13.951475] sdhci: Power:    0x0000000f | Blk gap:  0x00000080
[   13.957300] sdhci: Wake-up:  0x00000000 | Clock:    0x00003f07
[   13.963126] sdhci: Timeout:  0x00000004 | Int stat: 0x00000000
[   13.968952] sdhci: Int enab: 0x02ff008b | Sig enab: 0x02ff008b
[   13.974777] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[   13.980602] sdhci: Caps:     0x21ed3281 | Caps_1:   0x00000000
[   13.986428] sdhci: Cmd:      0x0000063a | Max curr: 0x00000000
[   13.992252] sdhci: Host ctl2: 0x00000000
[   13.996166] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x7c048200
[   14.001990] sdhci: ===========================================
[   14.009802] mmc0: Got data interrupt 0x02000000 even though no data operation was in progress.

Cc: stable@vger.kernel.org
Tested-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Patrice Chotard <patrice.chotard@st.com>

diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index d294e82447a292bb24e0989191494693f7ee0ac3..8b063ab10c19e9d2faff0f4e9b9a62421e091f45 100644 (file)
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -550,8 +550,9 @@
                        interrupt-names = "mmcirq";
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_mmc0>;
-                       clock-names = "mmc";
-                       clocks = <&clk_s_c0_flexgen CLK_MMC_0>;
+                       clock-names = "mmc", "icn";
+                       clocks = <&clk_s_c0_flexgen CLK_MMC_0>,
+                                <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
                        bus-width = <8>;
                        non-removable;
                };
@@ -565,8 +566,9 @@
                        interrupt-names = "mmcirq";
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_sd1>;
-                       clock-names = "mmc";
-                       clocks = <&clk_s_c0_flexgen CLK_MMC_1>;
+                       clock-names = "mmc", "icn";
+                       clocks = <&clk_s_c0_flexgen CLK_MMC_1>,
+                                <&clk_s_c0_flexgen CLK_RX_ICN_HVA>;
                        resets = <&softreset STIH407_MMC1_SOFTRESET>;
                        bus-width = <4>;
                };