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authorSandor Yu <R01008@freescale.com>2015-09-22 18:10:32 +0800
committerJason Liu <jason.hui.liu@nxp.com>2019-02-12 10:23:15 +0800
commite34bdfe7435f7dca0bdb99c3662710af4f2b3706 (patch)
treed6f3e7c3bce704077e84d0591efd7866357b5b05 /arch/arm/mach-imx/mach-imx6q.c
parent5c799668f211d185157f0c6012959dbcd971f8c4 (diff)
MLK-11508-3: imx6qdl: add csi mux setting
Add CSI mux setting Signed-off-by: Sandor Yu <R01008@freescale.com>
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6q.c')
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 08f063936827..13e8e286134a 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -229,6 +229,35 @@ put_node:
of_node_put(np);
}
+static void __init imx6q_csi_mux_init(void)
+{
+ /*
+ * MX6Q SabreSD board:
+ * IPU1 CSI0 connects to parallel interface.
+ * Set GPR1 bit 19 to 0x1.
+ *
+ * MX6DL SabreSD board:
+ * IPU1 CSI0 connects to parallel interface.
+ * Set GPR13 bit 0-2 to 0x4.
+ * IPU1 CSI1 connects to MIPI CSI2 virtual channel 1.
+ * Set GPR13 bit 3-5 to 0x1.
+ */
+ struct regmap *gpr;
+
+ gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");
+ if (!IS_ERR(gpr)) {
+ if (of_machine_is_compatible("fsl,imx6q-sabresd") ||
+ of_machine_is_compatible("fsl,imx6q-sabreauto"))
+ regmap_update_bits(gpr, IOMUXC_GPR1, 1 << 19, 1 << 19);
+ else if (of_machine_is_compatible("fsl,imx6dl-sabresd") ||
+ of_machine_is_compatible("fsl,imx6dl-sabreauto"))
+ regmap_update_bits(gpr, IOMUXC_GPR13, 0x3F, 0x0C);
+ } else {
+ pr_err("%s(): failed to find fsl,imx6q-iomux-gpr regmap\n",
+ __func__);
+ }
+}
+
static void __init imx6q_axi_init(void)
{
struct regmap *gpr;
@@ -379,6 +408,7 @@ static void __init imx6q_init_machine(void)
imx6q_enet_init();
imx_anatop_init();
+ imx6q_csi_mux_init();
cpu_is_imx6q() ? imx6q_pm_init() : imx6dl_pm_init();
imx6q_axi_init();
}